Part feeding attachment for fastener driving tools

Claim 2

A part feeding attachment for a fastener driving tool having fluid operated means driving a fastener and control means therefor effecting discharge of air under pressure following driving of said fastener, and including, a base having a part deliveryway therethrough extending from a part supply disposed laterally of the tool to a delivery portion thereof disposed beneath the tool in alignment with said first mentioned fluid operated means, a feeder means advancing a part from said part supply to said delivery portion responsive to said discharge of air under pressure following driving of said fastener, there being a return means retracting the feeder means after feeding said part through said delivery portion, whereby a part is advanced into alignment with said first mentioned fluid operated means to receive the next succeeding fastener driven thereby.

Claim 3

The part feeding attachment for a fastener driving tool as set forth in claim 1 and wherein the part supply comprises a tube disposed normal to said deliveryway and slideably passing the part, said deliveryway being of a depth to receive a part and the said feeder means slideably to advance therethrough.

Claim 4

The part feeding attachment for a fastener driving tool as set forth in claim 1 and wherein the deliveryway is arcuately formed and the feeder means comprises a complementary arcuately formed part feeder blade reciprocably operable through said deliveryway, said arcuate deliveryway and arcuate part feeder blade being formed about a common center for reciprocal rotation of the latter through the former.

Claim 5

The part feeding attachment for a fastener driving tool as set forth in claim 1 and wherein the feeder means comprises a cylinder and piston means having one end pivotally anchored to the base of the other end pivotally anchored to a post actuating the said feeder means.

Claim 6

The part feeding attachment for a fastener driving tool as set forth in claim 1 and wherein the feeder means comprises a cylinder with a piston advanced therein by means of a fluid connection communicating thereto from the control means effecting discharge of air under pressure.

Claim 7

The part feeding attachment for a fastener driving tool as set forth in claim 1 and wherein the feeder means comprises a cylinder with a piston advanced therein by a fluid connection thereto bleeding to atmosphere and communicating fluid pressure thereto from the control means effecting discharge of air under pressure.

Claim 8

The part feeding attachment for a fastener driving tool as set forth in claim 1 and wherein the feeder means comprises a cylinder with a piston advanced therein by a controlled fluid connection thereto admitting a portion of said discharge of air under pressure.

Claim 9

The part feeding attachment for a fastener driving tool as set forth in claim 1 and wherein the feeder means comprises a cylinder with a piston advanced therein by a controlled fluid connection thereto with a bleed to atmosphere and admitting a portion of the said discharge of air under pressure to said cylinder for advancing the piston.

Claim 10

The part feeding attachment for a fastener driving tool as set forth in claim 1, wherein the feeder means comprises a cylinder with a piston advanced therein by a fluid connection thereto from the control means effecting discharge of air under pressure, and wherein the return means is a spring within the cylinder and engaging the piston to retract the same.

Claim 11

The part feeding attachment for a fastener driving tool as set forth in claim 1, wherein the part supply comprises a tube disposed normal to said deliveryway and slideably passing the part, said deliveryway being of a depth to receive the part, wherein the deliveryway is arcuately formed and the feeder means comprises a complementary arcuately formed part feeder blade reciprocably operable through said deliveryway, said arcuate deliveryway and arcuate part feeder blade being formed about a common center for reciprocal rotation of the latter through the former, wherein the feeder means comprises a cylinder pivotally anchored to the base with a piston therein pivotally anchored to a post actuating the said feeder means, said piston being advanced in the cylinder by a controlled fluid connection thereto having a bleed to atmosphere and admitting a portion of said discharge of air under pressure to said cylinder for advancing the piston, and wherein the return means is a spring within the cylinder and engaging the piston to retract the same.

Claim 12

In combination: a fastener driving tool including, a frame carrying a head with a fastener guideway opening therefrom at a delivery face, a magazine supply of fasteners for individual delivery through said guideway and extending laterally from the head, fluid operated means with a driver blade entering through and driving a fastener from the guideway in the head, and a control means effecting a drive stroke of said fluid operated means followed by a return stroke thereof and by the exhaust of residual air under pressure; and a part feeding attachment including, a base having a part deliveryway therethrough extending from a part supply disposed laterally of the tool to a delivery portion thereof underlying the delivery face of the tool in alignment with the guideway and driver blade thereof, a feeder means advancing a part from said part supply to said delivery portion responsive to said exhausting of residual air under pressure following driving of said fastener, there being a return means retracting the feeder means after feeding said part through said delivery portion, whereby a part is advanced into alignment with the guideway and driver blade to receive the next succeeding fastener driven thereby.

Claim 13

In combination: a fastener driving tool including, a frame carrying a head with a fastener guideway opening therefrom at a delivery face, a magazine supply of fasteners for individual delivery through said guideway and extending laterally from the head, fluid operated means with a driver blade entering through and driving a fastener from the guideway in the head, and a control means effecting a drive stroke of said fluid operated means followed by a return stroke thereof and by the exhaust of residual air under pressure; and a part feeding attachment including, a base having a part deliveryway therethrough extending from a part supply disposed laterally of the tool to a delivery portion thereof underlying the delivery face of the tool in alignment with the guideway and driver blade thereof, a feeder means advancing a part from said part supply to said delivery portion responsive to said exhausting of residual air under pressure following driving of said fastener, there being a return means retracting the feeder means after feeding said part through said delivery portion, whereby a part is advanced into alignment with the guideway and driver blade to receive the next succeeding fastener driven thereby.

Claim 14

The part feeding attachment for a fastener driving tool as set forth in claim 11 and wherein the part supply comprises a tube disposed normal to said deliveryway and slideably passing the part, said deliveryway being of a depth to receive a part and the said feeder means slideably to advance therethrough.

Claim 15

The part feeding attachment for a fastener driving tool as set forth in claim 11 and wherein the deliveryway is arcuately formed and the feeder means comprises a complementary arcuately formed part feeder blade reciprocably operable through said deliveryway, said arcuate deliveryway and arcuate part feeder blade being formed about a common center for reciprocal rotation of a latter through the former.

Claim 16

The part feeding attachment for a fastener driving tool as set forth in claim 11 and wherein the feeder means comprises a cylinder and piston means having one end pivotally anchored to the base of the other end pivotally anchored to a post actuating the said feeder means.

Claim 17

The part feeding attachment for a fastener driving tool as set forth in claim 11 and wherein the feeder means comprises a cylinder with a piston advanced therein by means of a fluid connection communicating thereto from the control means effecting said residual exhaust of air under pressure.

Claim 18

The part feeding attachment for a fastener driving tool as set forth in claim 11 and wherein the feeder means comprises a cylinder with a piston advanced therein by a fluid connection thereto bleeding to atmosphere and communicating fluid pressure thereto from the control means effecting said residual exhaust of air under pressure.

Claim 19

The part feeding attachment for a fastener driving tool as set forth in claim 11 and wherein the feeder means comprises a cylinder having a piston advanced therein by a controlled fluid connection thereto admitting a portion of said residual exhaust of air under pressure.

Claim 20

The part feeding attachment for a fastener driving tool as set forth in claim 11 and wherein the feeder means comprises a cylinder with a piston advanced therein by a controlled fluid connection thereto with a bleed to atmosphere and admitting a portion of the said residual exhaust of air under pressure to said cylinder for aDvancing the piston.

Claim 21

The part feeding attachment for a fastener driving tool as set forth in claim 11, wherein the feeder means comprises a cylinder with a piston advanced therein by a fluid connection thereto from the control means effecting residual exhaust of air under pressure, and wherein the return means is a spring within the cylinder and engageing the piston to retract the same.

Claim 22

The part feeding attachment for a fastener driving tool as set forth in claim 11, wherein the part supply comprises a tube disposed normal to said deliveryway and slideably passing the part said deliveryway being of a depth to receive the part, wherein the deliveryway is arcuately formed and the feeder means comprises a complementary arcuately formed part feeder blade reciprocably operable through said deliveryway, said arcuate deliveryway and arcuate part feeder blade being formed about a common center for reciprocal rotation of the latter through the former, wherein the feeder means comprises a cylinder pivotally anchored to the base with a piston therein pivotally anchored to a post actuating the said feeder means, said piston being advanced in the cylinder by a controlled fluid connection thereto having a bleed to atmosphere and admitting a portion of said residual exhaust of air under pressure to said cylinder for advancing the piston, and wherein the return means is a spring within the cylinder and engageing the piston to retract the same.