Work holders – Relatively movable jaws – Clamp couple element with fastening means
Patent
1981-07-21
1984-10-16
Watson, Robert C.
Work holders
Relatively movable jaws
Clamp couple element with fastening means
269 97, 269236, B25B 100
Patent
active
044770634
ABSTRACT:
A device for locking a workpiece in position on a working plane for a machining operation. The device includes a column to be mounted to extend perpendicularly from such a working plane, and a locking assembly slidably displaceable along the column. The locking assembly includes two gripping members positioned in opposed relationship on opposed sides of the column for each gripping member to partially embrace the column; a pressure member displaceably connected to the gripping members to extend therefrom and to be displaceable relatively thereto; and means operable by means of a single control lever to displace the two gripping members towards each other to tighten onto the column, and to cause the pressure member to swivel relatively to the gripping members for locking a workpiece in position on such a working plane.
REFERENCES:
patent: 824000 (1906-06-01), Elmer
patent: 2486638 (1949-11-01), Eshleman
patent: 3333487 (1967-08-01), Parry
patent: 3345589 (1967-10-01), Yunt et al.
patent: 3345889 (1967-10-01), Yunt et al.
patent: 3382742 (1968-05-01), Gibbs
patent: 4025064 (1977-05-01), Disston et al.
patent: 4232856 (1980-11-01), Eichfeld et al.
patent: 4299146 (1981-11-01), Phelps
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