Work holders – With fluid means – Plural positioning means sequentially operated
Patent
1980-11-12
1982-12-28
Watson, Robert C.
Work holders
With fluid means
Plural positioning means sequentially operated
269 32, 269 93, 269 94, 269224, 269234, B23Q 308
Patent
active
043657923
ABSTRACT:
A clamp is disclosed which has a clamp block provided with a clamp surface for engaging a mould, die or the like. The clamp has a wedging member engageable with the clamp block and a rod receivable in a bore in the block. The rod is normally biased out of the bore so that a piston and cylinder assembly can be actuated so that the piston moves the rod and wedging member and also the clamp block to a position adjacent the mould, die or the like, whereupon continued movement of the piston forces the rod into the bore and the wedge member under the clamp block to pivot the clamp block into clamping engagement with the mould, die or the like.
REFERENCES:
patent: 2908205 (1959-10-01), Furman et al.
patent: 3565415 (1971-02-01), Blatt
patent: 4027867 (1977-06-01), Pollington
Johns Consolidated Limited
Watson Robert C.
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