Work holders – Relatively movable jaws – Clamp couple element with fastening means
Patent
1988-12-05
1990-02-06
Watson, Robert C.
Work holders
Relatively movable jaws
Clamp couple element with fastening means
B25B 110
Patent
active
048983705
ABSTRACT:
A clamping apparatus comprises a base block to be mounted on the top surface of a bed, a cylindrical clamp base having a male screw on the outer peripheral surface thereof and mounted on the base block for up-and-down motion, a clamp piece threadedly fitted on the male screw of the clamp base and adapted to press an object of clamping on the bed, and a lift mechanism for moving the clamp piece and the clamp base up and down, with respect to the base block.
REFERENCES:
patent: 3222053 (1965-12-01), Severdia
patent: 3987699 (1976-10-01), Popenoe
patent: 4265434 (1981-05-01), Hamilton et al.
patent: 4304399 (1981-12-01), Szugda
patent: 4771999 (1988-09-01), Takeuchi et al.
Kazama Yasuo
Saito Masayuki
Nitto Kohki Co. Ltd.
Watson Robert C.
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