Work holders – Holder mounted for movement – With plural means for changing holder positions
Patent
1989-09-28
1990-09-04
Watson, Robert C.
Work holders
Holder mounted for movement
With plural means for changing holder positions
269222, B23Q 104
Patent
active
049538390
ABSTRACT:
A vise capable of perfectly, accurately, neatly and effectively clamping thereon a workpiece is provided. The vise includes a base having two side walls an angular scale-provided elongate body attaching thereon a first jaw member, a connecting rod pivotally connecting together the base and the body, a movable seat attaching thereon a second jaw member, two following gears rotatably but untranslatably attached to the body, two guiding screw rods mounted in the following gears and horizontally spacedly urging against the movable seat, a shaft rotatably mounted in the body and mounting thereon an active gear meshed between the following gears, a driving handle, a reinforcing locking member having a threaded hole, and a bolt passing through one of the side walls to be threaded into the threaded hole and capable of being rotated to tightly urge the body against the one side wall.
REFERENCES:
patent: 298777 (1884-05-01), Riggs
patent: 721639 (1903-02-01), Wermes
patent: 1383524 (1921-07-01), Carlson
patent: 2051427 (1936-08-01), Snavely
patent: 2278258 (1942-03-01), Enghauser
patent: 2353891 (1944-07-01), Gruntorad
patent: 2947214 (1960-08-01), Schwuttke et al.
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