Rotatable workpiece holding apparatus

Details Rotatable workpiece holding apparatus Rotatable workpiece holding apparatus

1982-08-30

1985-01-01

Watson, Robert C.

Work holders

Holder mounted for movement

269 76, 269246, 269287, B23K 3704, B23Q 104

Patent

active

044913079

ABSTRACT:
An apparatus for holding a workpiece is provided which will allow rotation of the workpiece within the apparatus. A generally stationary base (78) supports a rotatable assembly which includes a pair of outer rings (62,62'), at least one inner hoop (64,64') positioned within each ring, and means (42,112) for securing the workpiece substantially within the assembly are included in the apparatus. Bearing mechanisms (94,94') on the base (78) engage portions of a respective outer ring to allow rotative movement of the assembly about an axis (52). Preferably the base is provided with means (84) for adjusting the distance between the outer rings (62,62') along the axis (52). Means (101) for preventing the rotation of the assembly and workpiece may also be provided.

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