Work holders – With fluid means – Cylinder-piston means in series with additional positioning...
Patent
1996-10-31
1998-09-01
Watson, Robert C.
Work holders
With fluid means
Cylinder-piston means in series with additional positioning...
B23Q 308
Patent
active
057999325
ABSTRACT:
A rotary clamp having a common plane mounting arrangement that provides a first planar surface for mounting the rotary clamp to a support member and a second planar surface for mounting a workpiece engaging means to the rotary clamp wherein the first and second planar surfaces lie in a common plane for simplifying the set up procedure of the rotary clamp. The first planar surface is formed on a housing of the rotary clamp, and the second planar surface is formed on a pivot pin of the rotary clamp. The first and second planar surfaces are spaced from one another to provide proper relief so that the workpiece engaging means may freely rotate without interference from the second planar surface. The pivot pin provides a large end portion seated within a recess of the housing that remains externally accessible with respect to the housing. A bearing means is provided for rotatably supporting the pivot pin end portion within the recess and for longitudinally supporting the pivot pin end portion against thrust forces along the longitudinal axis of the recess. The enlarged pivot pin end portion and bearing means provide added stability and durability. By being externally accessible with respect to the housing, the bearing means may be inspected and/or replaced without the need for disassembling the rotary clamp.
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ISI Norgren Inc.
Watson Robert C.
LandOfFree
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