Vise with two sets of clamping jaws

Details Vise with two sets of clamping jaws Vise with two sets of clamping jaws

1986-12-19

1989-02-28

Watson, Robert C.

Work holders

Relatively movable jaws

Plural jaw pairs

269154, 269247, 269287, B25B 110

Patent

active

048078638

ABSTRACT:
An improved vise has two sets of clamping jaws. Two fixed jaws are on a fixed body and two sliding jaws are supported by a sliding body and driven simultaneously in the same direction by one threaded shaft. Each sliding jaw is paired with a fixed jaw and the fixed jaws are located between the sliding jaws. Each pair of jaws may be located in a different plane from the other pair of jaws. The second jaw pair includes a sliding jaw formed as a circumferential jaw in a horizontal plane permitting an object to be clamped vertically. Further, a third sliding jaw/fixed jaw pair may be located adjacent to the first jaw pair and may include a multiple-stepped pipe clamp claw capable of clamping pipe of various diameters. In a second embodiment, the sliding jaws are located between the fixed jaws.

REFERENCES:
patent: 851491 (1907-04-01), Broadbooks
patent: 1877781 (1932-09-01), Akerlund
patent: 3861664 (1975-01-01), Durkee
patent: 4040613 (1977-08-01), Kartasuk et al.
patent: 4066250 (1978-01-01), Campbell
patent: 4241906 (1980-12-01), Cole
patent: 4341375 (1982-07-01), Romanin
patent: 4616384 (1986-10-01), Lowell et al.

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