Work holders – Relatively movable jaws – Clamp couple element with fastening means
Patent
1976-01-30
1977-06-07
Smith, Al Lawrence
Work holders
Relatively movable jaws
Clamp couple element with fastening means
269234, B23Q 302
Patent
active
040278670
ABSTRACT:
A workpiece holder is provided for selectively clamping a workpiece to a work table. The workpiece holder comprises a base secured to the table, an elongated clamp member positioned above the base and generally parallel thereto, and a bending arm secured at one end to the base and at its other end to the clamp member at a point intermediate the longitudinal ends of the clamp member thus dividing the clamp member into a first and second leg. The bending arm is dimensioned so as to form a slot having a predetermined width between the base and the first leg of the clamp member. A plunger is axially received within the slot and includes an upper inclined surface adapted to abut against the first leg of the clamp member and force the first leg away from the base as the plunger is moved axially into the slot. Simultaneously, the bending arm bends so that the second leg of the clamp member moves toward the work table for clampingly engaging the workpiece.
REFERENCES:
patent: 162866 (1875-05-01), Squire
patent: 319816 (1885-06-01), Hoefer
patent: 941832 (1909-11-01), Widmann
patent: 2850926 (1958-09-01), Jobe
Smith Al Lawrence
Watson Robert C.
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