Automatic screw feeding apparatus

Claim 2

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding the entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged as to guide the screws moved by said screw feeding member toward said screw passing hole of said main body, said screw longitudinal feeding member is provided with a screw inlet which guides stem portions of the entering screws in the longitudinal direction, a passage communicated with said screw inlet and inclined with respect to the entering direction of the screws, and a screw dropping hole extending therethrough in the vertical direction to correspond to said screw dropping hole of said main body at the end portion of said passage, said screw lateral feeding member being provided with a screw inlet extending therethrough so as to guide the stem portions of the entering screws in the longitudinal direction and a screw dropping hole extending therethrough in the vertical direction at the end portion of said screw inlet.

Claim 3

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding the entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged so as guide the screws moved by said screw feeding member toward said screw passing hole of said main body; a stopper member having a divided circumferential surface flash with said screw passing hole is provided to extend along a rear wall and a bottom wall in a guide groove of said main body, said screw distributing member including a main body having a screw inlet and a screw dropping hole substantially similar to said screw inlet and screw dropping hole of said screw lateral feeding member, said main body being set in its height so as to be located in a position higher than the lower surface of said main body at the lower end of the screw when said screw is held by said screw lateral feeding member, with cut portion being provided excluding a sliding leg portion and a top plate portion so as to avoid said stopper during reciprocation of said screw distributing member, thereby when the end face of said screw inlet left by said cut portion contacts said stopper during the reciprocating movement, said screw dropping hole of said screw distributing member and said divided circumferential surface of said stopper are brought into alignment to form a perfectly round opening.

Claim 4

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding the entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged so as guide the screws moved by said screw feeding member toward said screw passing hole of said main body; a stopper member having a divided circumferential surface flash with said screw passing hole is provided to extend along a rear wall and a bottom wall in a guide groove of said main body, said screw distributing member including a main body having a screw inlet and a screw dropping hole substantially similar to said screw inlet and screw dropping hole of said screw lateral feeding member, said main body being set in its height so as to be located in a position higher than the lower surface of said main body at the lower end of the screw when said screw is held by said screw lateral feeding member, with cut portion being provided excluding a sliding leg portion and a top plate portion so as to avoid said stopper during reciprocation of said screw distributing member, thereby when the end face of said screw inlet left by said cut portion contacts said stopper during the reciprocating movement, said screw dropping hole of said screw distributing member and said divided circumferential surface of said stopper are brought into alignment to form a perfectly round opening.

Claim 5

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding the entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged as to guide the screws moved by said screw feeding member toward said screw passing hole of said main body; a screw dropping hole intercepting plate to be reciprocated in the lateral direction integrally with said screw distributing member and having a horizontal belt-like shape in said lateral direction, said screw dropping hole intercepting plate being provided with a screw passing hole which is aligned with the screw passing hole of the main body so as to cut off or fully open said screw passing hole of said main body at either one or the other end stopping position and also being provided with an air vent for supplying compressed air into a screw feeding hose when said intercepting plate completely cuts off said screw hole of said main body, an air passage being provided in said main body to correspond to said air vent in the stopping position of said intercepting plate for supplying the compressed air during supplying of said compressed air, and also a connecting rod which reciprocates said screw distributing member and screw dropping hole intercepting plate as one unit.

Claim 6

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding the entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged as to guide the screws moved by said screw feeding member toward said screw passing hole of said main body; a screw dropping hole intercepting plate to be reciprocated in the lateral direction integrally with said screw distributing member and having a horizontal belt-like shape in said lateral direction, said screw dropping hole intercepting plate being provided with a screw passing hole which is aligned with the screw passing hole of the main body so as to cut off or fully open said screw passing hole of said main body at either one or the other end stopping position and also being provided with an air vent for supplying compressed air into a screw feeding hose when said intercepting plate completely cuts off said screw hole of said main body, an air passage being provided in said main body to correspond to said air vent in the stopping position of said intercepting plate for supplying the compressed air during supplying of said compressed air, and also a connecting rod which reciprocates said screw distributing member and screw dropping hole intercepting plate as one unit.

Claim 7

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding the entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged as to guide the screws moved by said screw feeding member toward said screw passing hole of said main body, said screw longitudinal feeding member is provided with a screw inlet which guides stem portions of the entering screws in the longitudinal direction, a passage communicated with said screw inlet and inclined with respect to the entering direction of the screws, and a screw dropping hole extending therethrough in the vertical direction to correspond to said screw dropping hole of said main body at the end portion of said passage, said screw lateral feeding member being provided with a screw inlet extending therethrough so as to guide the stem portions of the entering screws in the longitudinal direction and a screw dropping hole extending therethrough in the vertical direction at the end portion of said screw inlet, a stopper member having a divided circumferential surface flush with said screw passing hole is provided to extend along a rear wall and a bottom wall in a guide groove of said main body, said screw distributing member including a main body having a screw inlet and a screw dropping hole substantially similar to said screw inlet and screw dropping hole of said screw lateral feeding member, said main body being set in its height so as to be located in a position higher than the lower surface of said main body at the lower end of the screw when said screw is held by said screw lateral feeding member, with cut portion being provided excluding a sliding leg portion and a top plate portion so as to avoid said stopper during reciprocation of said screw distributing member, thereby when the end face of said screw inlet left by said cut portion contacts said stopper during the reciprocating movement, said screw dropping hole of said screw distributing member and said divided circumferential surface of said stopper are brought into alignment to form a perfectly round opening.

Claim 8

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding the entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged as to guide the screws moved by said screw feeding member toward said screw passing hole of said main body, said screw longitudinal feeding member is provided with a screw inlet which guides stem portions of the entering screws in the longitudinal direction, a passage communicated with said screw inlet and inclined with respect to the entering direction of the screws, and a screw dropping hole extending therethrough in the vertical direction to correspond to said screw dropping hole of said main body at the end portion of said passage, said screw lateral feeding member being provided with a screw inlet extending therethrough so as to guide the stem portions of the entering screws in the longitudinal direction and a screw dropping hole extending therethrough in the vertical direction at the end portion of said screw inlet, a stopper member having a divided circumferential surface flush with said screw passing hole is provided to extend along a rear wall and a bottom wall in a guide groove of said main body, said screw distributing member including a main body having a screw inlet and a screw dropping hole substantially similar to said screw inlet and screw dropping hole of said screw lateral feeding member, said main body being set in its height so as to be located in a position higher than the lower surface of said main body at the lower end of the screw when said screw is held by said screw lateral feeding member, with cut portion being provided excluding a sliding leg portion and a top plate portion so as to avoid said stopper during reciprocation of said screw distributing member, thereby when the end face of said screw inlet left by said cut portion contacts said stopper during the reciprocating movement, said screw dropping hole of said screw distributing member and said divided circumferential surface of said stopper are brought into alignment to form a perfectly round opening.

Claim 9

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding and entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged so as to guide the screws moved by said screw feeding member toward said screw passing hole of said main body, said screw longitudinal feeding member is provided with a screw inlet which guides stem portions of the entering screws in the longitudinal direction, a passage communicated with said screw inlet and inclined with respect to the entering direction of the screws, and a screw dropping hole extending therethrough in the vertical direction to correspond to said screw dropping hole of said main body at the end portion of said passage, said screw lateral feeding member being provided with a screw inlet extending therethrough so as to guide the stem portions of the entering screws in the longitudinal direction and a screw dropping hole extending therethrough in the vertical direction at the end portion of said screw inlet, a screw dropping hole intercepting plate to be reciprocated in the lateral direction integrally with said screw distributing member and having a horizontal belt-like shape in said lateral direction, said screw dropping hole intercepting plate being provided with a screw passing hole which is aligned with the screw passing hole of the main body so as to cut off or fully open said screw passing hole of said main body at either one or the other end stopping position and also being provided with an air vent for supplying compressed air into a screw feeding hose when said intercepting plate completely cuts off said screw hole of said main body, an air passage being provided in said main body to correspond to said air vent in the stopping position of said intercepting plate for supplying the compressed air during supplying of said compressed air, and also, a connecting rod which reciprocates said screw distributing member and screw dropping hole intercepting plate as one unit.

Claim 10

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding and entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged so as to guide the screws moved by said screw feeding member toward said screw passing hole of said main body, said screw longitudinal feeding member is provided with a screw inlet which guides stem portions of the entering screws in the longitudinal direction, a passage communicated with said screw inlet and inclined with respect to the entering direction of the screws, and a screw dropping hole extending therethrough in the vertical direction to correspond to said screw dropping hole of said main body at the end portion of said passage, said screw lateral feeding member being provided with a screw inlet extending therethrough so as to guide the stem portions of the entering screws in the longitudinal direction and a screw dropping hole extending therethrough in the vertical direction at the end portion of said screw inlet, a screw dropping hole intercepting plate to be reciprocated in the lateral direction integrally with said screw distributing member and having a horizontal belt-like shape in said lateral direction, said screw dropping hole intercepting plate being provided with a screw passing hole which is aligned with the screw passing hole of the main body so as to cut off or fully open said screw passing hole of said main body at either one or the other end stopping position and also being provided with an air vent for supplying compressed air into a screw feeding hose when said intercepting plate completely cuts off said screw hole of said main body, an air passage being provided in said main body to correspond to said air vent in the stopping position of said intercepting plate for supplying the compressed air during supplying of said compressed air, and also, a connecting rod which reciprocates said screw distributing member and screw dropping hole intercepting plate as one unit.

Claim 11

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding the entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged as to guide the screws moved by said screw feeding member toward said screw passing hole of said main body, a stopper member having a divided circumferential surface flush with said screw passing hole is provided to extend along a rear wall and a bottom wall in a guide groove of said main body, said screw distributing member including a main body having a screw inlet and a screw dropping hole substantially similar to said screw inlet and screw dropping hole of said screw lateral feeding member, said main body being set in its height so as to be located in a position higher than the lower surface of said main body at the lower end of the screw when said screw is held by said screw lateral feeding member, with cut portion being provided excluding a sliding leg portion and a top plate portion so as to avoid said stopper during reciprocation of said screw distributing member, thereby when the end face of said screw inlet left by said cut portion contacts said stopper during the reciprocating movement, said screw dropping hole of said screw distributing member and said divided circumferential surface of said stopper are brought into alignment to form a perfectly round opening, a screw dropping hole intercepting plate to be reciprocated in the lateral direction integrally with said screw distributing member and having a horizontal belt-like shape in said lateral direction, said screw dropping hole intercepting plate being provided with a screw passing hole which is aligned with the screw passing hole of the main body so as to cut off or fully open said screw passing hole of said main body at either one or the other end stopping position and also being provided with an air vent for supplying compressed air into a screw feeding hose when said intercepting plate completely cuts off said screw hole of said main body, an air passage being provided in said main body to correspond to said air vent in the stopping position of said intercepting plate for supplying the compressed air during supplying of said compressed air, and also a connecting rod which reciprocates said screw distributing member and screw dropping hole intercepting plate as one unit.

Claim 12

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding the entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged as to guide the screws moved by said screw feeding member toward said screw passing hole of said main body, a stopper member having a divided circumferential surface flush with said screw passing hole is provided to extend along a rear wall and a bottom wall in a guide groove of said main body, said screw distributing member including a main body having a screw inlet and a screw dropping hole substantially similar to said screw inlet and screw dropping hole of said screw lateral feeding member, said main body being set in its height so as to be located in a position higher than the lower surface of said main body at the lower end of the screw when said screw is held by said screw lateral feeding member, with cut portion being provided excluding a sliding leg portion and a top plate portion so as to avoid said stopper during reciprocation of said screw distributing member, thereby when the end face of said screw inlet left by said cut portion contacts said stopper during the reciprocating movement, said screw dropping hole of said screw distributing member and said divided circumferential surface of said stopper are brought into alignment to form a perfectly round opening, a screw dropping hole intercepting plate to be reciprocated in the lateral direction integrally with said screw distributing member and having a horizontal belt-like shape in said lateral direction, said screw dropping hole intercepting plate being provided with a screw passing hole which is aligned with the screw passing hole of the main body so as to cut off or fully open said screw passing hole of said main body at either one or the other end stopping position and also being provided with an air vent for supplying compressed air into a screw feeding hose when said intercepting plate completely cuts off said screw hole of said main body, an air passage being provided in said main body to correspond to said air vent in the stopping position of said intercepting plate for supplying the compressed air during supplying of said compressed air, and also a connecting rod which reciprocates said screw distributing member and screw dropping hole intercepting plate as one unit.

Claim 13

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding the entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged as to guide the screws moved by said screw feeding member toward said screw passing hole of said main body, said screw longitudinal feeding member is provided with a screw inlet which guides stem portions of the entering screws in the longitudinal direction, a passage communicated with said screw inlet and inclined with respect to the entering direction of the screws, and a screw dropping hole extending therethrough in the vertical direction to correspond to said screw dropping hole of said main body at the end portion of said passage, said screw lateral feeding member being provided with a screw inlet extending therethrough so as to guide the stem portions of the entering screws in the longitudinal direction and a screw dropping hole extending therethrough in the vertical direction at the end portion of said screw inlet, a stopper member having a divided circumferential surface flush with said screw passing hole is provided to extend along a rear wall and a bottom wall in a guide groove of said main body, said screw distributing member including a main body having a screw inlet and a screw dropping hole substantially similar to said screw inlet and screw dropping hole of said screw lateral feeding member, said main body being set in its height so as to be located in a position higher than the lower surface of said main body at the lower end of the screw when said screw is held by said screw lateral feeding member, with cut portion being provided excluding a sliding leg portion and a top plate portion so as to avoid said stopper during reciprocation of said screw distributing member, thereby when the end face of said screw inlet left by said cut portion contacts said stopper during the reciprocating movement, said screw dropping hole of said screw distributing member and said divided circumferential surface of said stopper are brought into alignment to form a perfectly round opening, a screw dropping hole intercepting plate to be reciprocated in the lateral direction integrally with said screw distributing member and having a horizontal belt-like shape in said lateral direction, said screw dropping hole intercepting plate being provided with a screw passing hole which is aligned with the screw passing hole of the main body so as to cut off or fully open said screw passing hole of said main body at either one or the other end stopping position and also being provided with an air vent for supplying compressed air into a screw feeding hose when said intercepting plate completely cuts off said screw hole of said main body, an air passage being provided in said main body to correspond to said air vent in the stopping position of said intercepting plate for supplying the compressed air during supplying of said compressed air, and also a connecting rod which reciprocates said screw distributing member and screw dropping hole intercepting plate as one unit.

Claim 14

An automatic screw feeding apparatus for feeding continuously entering screws toward systems displaced from the position of said entering which comprises: a main body provided with guide groove having a horizontal bottom wall extending in lateral and horizontal direction with respect to the entering direction of the screws, said bottom wall being formed with a screw passing hole extending therethrough in a vertical direction; a screw longitudinal feeding member provided on the upper side of said main body, and moving and guiding the entering screws in a longitudinal direction approximately parallel to the entering direction of the screws up to a position directly above said screw passing hole of said main body; a screw lateral feeding member provided on the upper side of said screw longitudinal feeding member, and moving and guiding the entering screws up to the position directly above said screw passing hole of said main body through reciprocation in the lateral and horizontal direction; and a screw distributing member slidably accommodated in said guide groove of said main body to be disposed between it and said screw longitudinal feeding member for lateral reciprocating movement together with said screw lateral feeding member, and provided with screw dropping hole so arranged as to guide the screws moved by said screw feeding member toward said screw passing hole of said main body, said screw longitudinal feeding member is provided with a screw inlet which guides stem portions of the entering screws in the longitudinal direction, a passage communicated with said screw inlet and inclined with respect to the entering direction of the screws, and a screw dropping hole extending therethrough in the vertical direction to correspond to said screw dropping hole of said main body at the end portion of said passage, said screw lateral feeding member being provided with a screw inlet extending therethrough so as to guide the stem portions of the entering screws in the longitudinal direction and a screw dropping hole extending therethrough in the vertical direction at the end portion of said screw inlet, a stopper member having a divided circumferential surface flush with said screw passing hole is provided to extend along a rear wall and a bottom wall in a guide groove of said main body, said screw distributing member including a main body having a screw inlet and a screw dropping hole substantially similar to said screw inlet and screw dropping hole of said screw lateral feeding member, said main body being set in its height so as to be located in a position higher than the lower surface of said main body at the lower end of the screw when said screw is held by said screw lateral feeding member, with cut portion being provided excluding a sliding leg portion and a top plate portion so as to avoid said stopper during reciprocation of said screw distributing member, thereby when the end face of said screw inlet left by said cut portion contacts said stopper during the reciprocating movement, said screw dropping hole of said screw distributing member and said divided circumferential surface of said stopper are brought into alignment to form a perfectly round opening, a screw dropping hole intercepting plate to be reciprocated in the lateral direction integrally with said screw distributing member and having a horizontal belt-like shape in said lateral direction, said screw dropping hole intercepting plate being provided with a screw passing hole which is aligned with the screw passing hole of the main body so as to cut off or fully open said screw passing hole of said main body at either one or the other end stopping position and also being provided with an air vent for supplying compressed air into a screw feeding hose when said intercepting plate completely cuts off said screw hole of said main body, an air passage being provided in said main body to correspond to said air vent in the stopping position of said intercepting plate for supplying the compressed air during supplying of said compressed air, and also a connecting rod which reciprocates said screw distributing member and screw dropping hole intercepting plate as one unit.

Claim 15

An automatic screw feeding apparatus for feeding continuously entering screws toward separate systems by two pieces per one cycle as claimed in any one of claims 1-7 wherein said screw passing hole of said main body are provided in two at an interval in the longitudinal direction of the groove in a bottom wall of said main body, with two screw dropping holes being provided in said distributing member, said screw dropping hole intercepting plate being formed with two screw passing holes corresponding to said screw passing holes of said main body.

Claim 16

An automatic screw feeding apparatus for feeding continuously entering screws by one piece per one cycle as claimed in any one of the above claims 1-7, wherein said screw lateral feeding member is provided with one each of screw inlet and screw dropping hole, with said screw distributing member being formed with one screw dropping hole.

Claim 17

An automatic screw feeding apparatus as claimed in any one of claims 1-7, wherein a screw inlet is formed in the rear wall of the guide groove to extend therethrough horizontally and in a direction at right angles to the longitudinal direction of the guide groove and said inlet is formed into rectangular shape to extend through the upper face of the groove wall at its one edge.

Claim 18

An automatic screw feeding apparatus as claimed in any one of claims 1-7, wherein a top plate is fixed to the main body, in said top plate a screw head guide face is formed for guiding the heads of screws fed in from the screw inlet with their stems directed downward, and the guide face includes a right angles surface forming a vertical face at right angles with the screw advancing direction and an inclined surface composed of two vertical planes at the opposite sides of the right angled surface so inclined as to gradually spaced mutually with respect to the screw advancing direction following symmetrical advance toward said advancing direction.

Claim 19

An automatic screw feeding apparatus as claimed in any one of claims 1-7, wherein a hose attaching member is mounted to the under surface of the main body holding the screw dropping intercepting plate, the member includes a main body of generally rectangular block-like shape and hose fitting which are fitted concentrically corresponding to the screw passing holes of the main unit.

Claim 20

An automatic screw feeding apparatus as claimed in any one of claims 1-7 wherein for air passages there are formed an air inlet and a rising passage communicating therewith formed in the hose attaching member, an air vent extending through the intercepting plate, a rising passage, horizontal passages and falling passages formed in the main body, and falling passate formed in the hose attaching member for communication with the inside of the hose fittings.