Work clamping fixture

Details Work clamping fixture Work clamping fixture

1980-03-25

1981-05-26

Whitehead, Harold D.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51105SP, B24B 542

Patent

active

042690013

ABSTRACT:
A workholding fixture for clamping a workpiece for rotation about a selected axis comprising at least one throwblock for receiving a workpiece portion to be clamped, a clamp arm associated with the throwblock including a jaw at one end and a control surface at the other end, means for pivotally supporting the clamp arm intermediate the ends, means for selectively displacing the pivotally supporting means along an arc from a predetermined advanced position to a predetermined retracted position, means for pivotally displacing the clamp arm about the pivotally supporting means including cylinder means having bearing surface means selectively displaceable from a retracted position to an advanced position, the bearing surface means having a selected length to permit engagement with the control surface means as the pivotally supporting means and the bearing surface means are displaced between the advanced and retracted positions, and means for maintaining the bearing and control surfaces in engagement.

REFERENCES:
patent: 2384391 (1945-09-01), Ott
patent: 3404492 (1968-10-01), Fournier
patent: 3537215 (1970-11-01), Metz
patent: 4003721 (1977-01-01), Price

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