Mechanism for raising, rotating and lowering a part

Details Mechanism for raising, rotating and lowering a part Mechanism for raising, rotating and lowering a part

1986-12-12

1987-11-03

Watson, Robert C.

Work holders

Holder mounted for movement

Including means to shift holder position

269 66, 269 71, B23Q 104

Patent

active

047039221

ABSTRACT:
A mechanism for raising, rotating and lowering a workpiece from a first secured position to a second secured position with only a rotational input, wherein work operations may be performed on said workpiece in the first and second secured positions, includes dual cam followers extending from the first end of the workpiece for engaging dual camming races to allow the workpiece to first be raised, then rotated and then lowered to a second position. A ball bushing is mounted on the opposite end of the workpiece and pivots in a bushing support to permit the workpiece to rotate about its elongate axis. In an alternative embodiment, two sets of cam followers are provided, one set being mounted at the first end of the workpiece and other set mounted at the opposite end. Both sets of cam followers engage separate dual camming races to rotate the workpiece from a first secured position to a second secured position while remaining in a horizontal position. In a third embodiment, a cradle is provided to hold the workpiece during raising, rotating, and lowering of the workpiece.

REFERENCES:
patent: 4014439 (1977-03-01), Kochsiek et al.
patent: 4262891 (1981-04-01), Kinney
patent: 4317560 (1982-03-01), Troyer
patent: 4336926 (1982-06-01), Inugaki et al.
patent: 4416570 (1983-11-01), Argenbright

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