Work fixing device

Details Work fixing device Work fixing device

2006-06-06

2010-06-08

Gates, Eric A (Department: 3726)

Chucks or sockets

Radially reciprocating jaws

Spiral cam or scroll actuated

C269S233000

Reexamination Certificate

active

07731201

ABSTRACT:
A work fixing device capable of stably fixing the work, without any biasing, in the longitudinal direction of the work, of the fastening force for fixing the work. The moving mechanism of clamps is constructed by comprising a scroll disc as working disc forming a circular hole in which to insert the work at the center and scroll guides in spiral shape the winding direction of which is opposite to each other from the center toward the outer circumference on the both side faces, a rotary drive mechanism for rotatably driving this scroll disc, and scroll pieces having a fitting portion to be engaged with the scroll guides of the scroll disc and disposed on both sides of the scroll disc in a way to correspond to a plurality of clamps respectively.

REFERENCES:
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patent: 1578364 (1926-03-01), Recen
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patent: 4576254 (1986-03-01), Cox
patent: 4718682 (1988-01-01), Zilic et al.
patent: 6220608 (2001-04-01), Varnau
patent: 3338140 (1985-05-01), None
patent: 1291299 (1987-02-01), None
patent: 1463401 (1989-03-01), None

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