Materials handling device

Claim 2

An articulated device for use with apparatus for handling materials, comprising: a drive shaft mounted on a frame; a first radial arm fixed on the drive shaft and movable angularly thereby; a second arm pivotally connected to the first arm radially on a second shaft which is parallel to the drive shaft; a pair of bevel gears fixed one on each of the first and second arms and co-axial with the second shaft, a pair of planetary gears intermeshing with the bevel gears; and means interconnecting the frame and the second shaft and adapted to move the second shaft angularly proportional to the angular movement of the first arm.

Claim 3

A device as claimed in claim 1 including an element pivotally connected to the second arm on a third shaft parallel to the second shaft and remote therefrom, and means interconnecting the second and third shafts and adapted to move the element angularly about the third shaft proportional to the angular movement of the second arm.

Claim 4

An articulated device for use with apparatus for handling materials, comprising: a first arm angularly movable about a first transverse axis; a member pivotally conneCted to the first arm on a second transverse axis; a second arm pivotally connected to the member on a third transverse axis and angularly movable with respect to the first arm; means to move the member, on movement of the first arm, pivotally on the second axis about the first arm and angularly proportional to the movement of the first arm; means to move the second arm, on movement of the first arm, pivotally on the third axis about the member and angularly proportional on the movement of the first arm; an element pivotally connected to the second arm on a fourth transverse axis and means to move the element, on movement of the second arm, pivotally on the fourth axis about the second arm and angularly proportional to the movement of the second arm, the means to move the element comprising a rod pivotally connected to the member and to the element to form with the second arm a parallelogram.

Claim 5

An articulated device for use with apparatus for handling materials, comprising: a first arm angularly movable about a first transverse axis; a member pivotally conneCted to the first arm on a second transverse axis; a second arm pivotally connected to the member on a third transverse axis and angularly movable with respect to the first arm; means to move the member, on movement of the first arm, pivotally on the second axis about the first arm and angularly proportional to the movement of the first arm; means to move the second arm, on movement of the first arm, pivotally on the third axis about the member and angularly proportional on the movement of the first arm; an element pivotally connected to the second arm on a fourth transverse axis and means to move the element, on movement of the second arm, pivotally on the fourth axis about the second arm and angularly proportional to the movement of the second arm, the means to move the element comprising a rod pivotally connected to the member and to the element to form with the second arm a parallelogram.

Claim 6

An articulated device for use with apparatus for handling materials, comprising: a first arm angularly movable about a first transverse axis; a shaft member pivotally connected to the first arm on a second transverse axis; a second arm pivotally connected to the shaft member on the second transverse axis and angularly movable with the first arm; an endless band looped non-rotatably about the first transverse axis and rotatably about the second transverse axis whereby on movement of the first arm the shaft member moves pivotally on the second transverse axis about the first arm and angularly proportional thereto; and a pair of opposed co-axial bevel gears one fixed to the first arm and one fixed to the second arm, a pair of planetary gears intermeshing with the pair of bevel gears, the planetary gears being carried by the shaft member and freely journalled thereon.

Claim 7

An articulated device for use with apparatus for handling materials, comprising: a first arm angularly movable about a first transverse axis; a shaft member pivotally connected to the first arm on a second transverse axis; a second arm pivotally connected to the shaft member on the second transverse axis and angularly movable with the first arm; an endless band looped non-rotatably about the first transverse axis and rotatably about the second transverse axis whereby on movement of the first arm the shaft member moves pivotally on the second transverse axis about the first arm and angularly proportional thereto; and a pair of opposed co-axial bevel gears one fixed to the first arm and one fixed to the second arm, a pair of planetary gears intermeshing with the pair of bevel gears, the planetary gears being carried by the shaft member and freely journalled thereon.

Claim 8

A device as claimed in claim 4 including an element pivotally connected to the second arm on a third transverse axis on the second arm and means to move the element, on movement of the second arm, pivotally on the third transverse axis about the second arm and angularly proportional thereto, the means to move the element comprising a further endless band looped about the second and third transverse axes, the further endless band being non-rotatable about the second transverse axis and being rotatable together with the element about the third transverse axis.

Claim 9

A device as claimed in claim 5 in which the first and second endless bands are chains engaging pairs of sprockets co-axial each with one of the transverse axes.

Claim 10

A device as claimed in claim 6 in which the member comprises a frame having two of said sprockets fixed thereon and journalled in the first and second arms respectively.

Claim 11

An articulate device for use with apparatus for handling materials, comprising: a drive shaft mounted on a frame; a first radial arm fixed on the drive shaft and movable angularly thereby; a member pivotally connected to the first arm on a second shaft which is parallel to the drive shaft and remote therefrom; a second arm pivotally connected to the member radially on a third shaft which is parallel to the second shaft; a pair of intermeshing gears fixed one to each of the first and second arms and coaxial with the second and third shafts respectively; and means interconnecting the frame and the member and adapted to move the member angularly about the second shaft proportional to the angular movement of the first arm, said interconnecting means comprising a rod pivotally connected to the member and to a fixed base on which the first arm is movable, to form with the first arm a parallelogram.

Claim 12

An articulate device for use with apparatus for handling materials, comprising: a drive shaft mounted on a frame; a first radial arm fixed on the drive shaft and movable angularly thereby; a member pivotally connected to the first arm on a second shaft which is parallel to the drive shaft and remote therefrom; a second arm pivotally connected to the member radially on a third shaft which is parallel to the second shaft; a pair of intermeshing gears fixed one to each of the first and second arms and coaxial with the second and third shafts respectively; and means interconnecting the frame and the member and adapted to move the member angularly about the second shaft proportional to the angular movement of the first arm, said interconnecting means comprising a rod pivotally connected to the member and to a fixed base on which the first arm is movable, to form with the first arm a parallelogram.

Claim 13

An articulated device for use with apparatus for handling materials, comprising: a drive shaft mounted on a frame; a first radial arm fixed on the drive shaft and movable angularly thereby; a member pivotally connected to the first arm on a second shaft fixed to the member and parallel to the drive shaft and remote therefrom; a second arm pivotally connected to the member radially on a third shaft fixed to the member and parallel to the second shaft; a pair of intermeshing gears fixed one to each of the first and second arms and coaxial with the second and third shafts respectively; and means interconnecting the frame and the member and adapted to move the member angularly about the axis of the second shaft proportional to the angular movement of the first arm, said interconnecting means comprising an endless band looped about the axis of the drive shaft and the axis of the second shaft, the endless band being non-rotatable about the axis of the drive shaft and being non-rotatable about the second shaft.

Claim 14

An articulated device for use with apparatus for handling materials, comprising: a drive shaft mounted on a frame; a first radial arm fixed on the drive shaft and movable angularly thereby; a member pivotally connected to the first arm on a second shaft fixed to the member and parallel to the drive shaft and remote therefrom; a second arm pivotally connected to the member radially on a third shaft fixed to the member and parallel to the second shaft; a pair of intermeshing gears fixed one to each of the first and second arms and coaxial with the second and third shafts respectively; and means interconnecting the frame and the member and adapted to move the member angularly about the axis of the second shaft proportional to the angular movement of the first arm, said interconnecting means comprising an endless band looped about the axis of the drive shaft and the axis of the second shaft, the endless band being non-rotatable about the axis of the drive shaft and being non-rotatable about the second shaft.

Claim 15

An articulated device for use with apparatus for handling materials, comprising: a first arm angularly movable about a first transverse axis; a member pivotally connected to the first arm on a second transverse axis; a second arm pivotally connected to the member on a third transverse axis and angularly movable with respect to the first arm; means to move the member, on movement of the first arm, pivotally on the second axis about the first arm and angularly proportional to the movement of the first arm, the means to move the member comprising an endless band looped about the first and second transverse axes, the endless band being non-rotatable about the first transverse axis and being rotatable together with the member about the second transverse axis; and means to move the second arm, on movement of the first arm, pivotally about the member and angularly proportional to the movement of the first arm.

Claim 16

An articulated device for use with apparatus for handling materials, comprising: a first arm angularly movable about a first transverse axis; a member pivotally connected to the first arm on a second transverse axis; a second arm pivotally connected to the member on a third transverse axis and angularly movable with respect to the first arm; means to move the member, on movement of the first arm, pivotally on the second axis about the first arm and angularly proportional to the movement of the first arm, the means to move the member comprising an endless band looped about the first and second transverse axes, the endless band being non-rotatable about the first transverse axis and being rotatable together with the member about the second transverse axis; and means to move the second arm, on movement of the first arm, pivotally about the member and angularly proportional to the movement of the first arm.

Claim 17

A device as claimed in claim 10 in which the endless band is a chain engaging a pair of sprockets one co-axial with each of the first and second transverse axes.

Claim 18

a device as claimed in claim 10 in which the means to move the second arm comprises a pair of intermeshing gears one fixed to the first arm and one fixed to the second arm.

Claim 19

A device as claimed in claim 10 including an element pivotally connected to the second arm on a fourth transverse axis on the second arm and means to move the element, on movement of the second arm, pivotally on the fourth axis about the second arm and angularly proportional to the movement of the second arm, the means to move the element comprising: a further endless band looped about the third and fourth transverse axes, the second endless band being non-rotatable about the third transverse axis and being rotatable together with the element about the fourth transverse axis.

Claim 20

A device as claimed in claim 13 in which the endless bands are located one on each side of the first and second arms with respect to the member, whereby the second arm is rotatable in a full circle with respect to the first arm.