Milling machine bench vise

Details Milling machine bench vise Milling machine bench vise

1999-05-21

2000-12-26

Scherbel, David A.

Work holders

Relatively movable jaws

Means to actuate jaw

269136, B25B 110

Patent

active

061646350

ABSTRACT:
An improved vise with a fixed jaw and a movable jaw which is guided by a lead screw to move along a pair of ways guiding the movable jaw. The movable jaw is adjusted to maintain a face which is precisely parallel with a face of the fixed jaw. The movable jaw is constructed of an upper component which travels on the ways, and a U-shaped lower member which inserts and telescopes into the upper component. The two jaw members contact at a chamfered face which cants or tilts the upper jaw member so that the movable jaw construction can be leveled. Leveling assures that the upper and lower jaw members cooperate, thereby interacting with a tapered face between the two to change the relative angle. In effect, the movable jaw face is maintaining precisely parallel and overcomes off center mounting of a workpiece.

REFERENCES:
patent: 4738438 (1988-04-01), Horie et al.
patent: 4928937 (1990-05-01), Bernstein
patent: 4934676 (1990-06-01), Feistenauer et al.
patent: 5273264 (1993-12-01), Chen

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