Grasping device for stacked workpieces

Details Grasping device for stacked workpieces Grasping device for stacked workpieces

1983-03-18

1984-11-13

Reger, Duane A.

Sheet feeding or delivering

Feeding

Separators

294110R, 414119, 414123, B65H 330

Patent

active

044821441

ABSTRACT:
A grasping device for workpieces arranged in a stack which includes a support bracket pivotably attached to a spindle that is mounted for vertical movement in a block that is adapted to engage the upper workpiece in the stack. The end of the support bracket opposite its point of attachment to the spindle has a roller rotatably mounted thereon which has a covering of material possessing a high coefficient of friction. A ratchet device operatively interconnects the roller with the support bracket and serves to permit the roller to rotate only in one direction. When the spindle is lowered, the roller rolls on the upper workpiece away from the block and when the spindle is raised the roller unable to rotate is pulled across the upper workpiece toward the block and forms a bunch or fold in the upper workpiece intermediate the block and roller which facilitates manual removal of the workpiece upon lifting the device clear of the stack.

REFERENCES:
patent: 2042734 (1936-06-01), Roy
patent: 3813094 (1974-05-01), Walton et al.
patent: 4157824 (1979-06-01), Littlewood

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