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US 5,626,217 AGranted
Stack pusher
AssigneeExcellon Automation
InventorsRobert J. Watkinson, W. Vernon Smith
Life of this patent
Estimating the term…
Abstract
This invention is directed to a stack pusher apparatus which is used for pushing a workpiece such as a stack of printed circuit cards between rest locations. The pusher apparatus includes an articulated engagement unit which permits reasonable tolerances relative to the dimensions of the workpiece to be pushed or moved. In addition, a pneumatically driven control mechanism for moving the stack pusher apparatus is described.
Claims20
An apparatus for moving objects comprising,
- a support means,
- a plurality of elements mounted on said support means so that said elements are individually capable of movement normal to said support means,
- each of said elements comprises a disk-like unit with an aperture therethrough, and
- stop means mounted on said support means to retain said plurality of elements therebetween.
1 more element
An apparatus for moving objects comprising,
- support means,
- a plurality of elements mounted on said support means so that said elements are individually capable of movement normal to said support means,
- stop means mounted on said support means to retain said plurality of elements therebetween, and
- transport means connected to said support means to selectively move said support means,
- said transport means includes a pistonless cylinder.
2 more elements
A pusher apparatus including,
- an elongated rod,
- a plurality of washers mounted on said elongated rod,
- a fixed stop at one end of said elongated rod, and
- a pneumatically activated clamp which is selectively activated to press said plurality of washers close together to effectively limit the movement of said washers on said rod.
1 more element
Dependencies are inferred from the claim text.