Work holders – With fluid means – Plural positioning means sequentially operated
Patent
1975-06-30
1976-11-23
Smith, Al Lawrence
Work holders
With fluid means
Plural positioning means sequentially operated
269303, B25B 118
Patent
active
039932966
ABSTRACT:
A workpiece clamp is provided with a stationary first workpiece-engaging member and a movable second workpiece-engaging member which is slidable along its longitudinal axis from an extended position where it is closely spaced and aligned above the first workpiece-engaging member to a retracted position where it is moved upwardly away from the first workpiece-engaging member and slid longitudinally rearwardly of the first workpiece-engaging member for lifting or placing a workpiece in position for clamping.
REFERENCES:
patent: 851931 (1907-04-01), Grossman
patent: 2684715 (1954-07-01), Myers
patent: 2908205 (1959-10-01), Furman et al.
patent: 3281140 (1966-10-01), Smierciak
patent: 3520219 (1970-07-01), Treff
patent: 3700227 (1972-10-01), Sessody
Smith Al Lawrence
U.S. Amada Ltd.
Watson Robert C.
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