Method of providing multiplied force using vernier members and p

Details Method of providing multiplied force using vernier members and p Method of providing multiplied force using vernier members and p

1984-05-22

1986-02-25

Watson, Robert C.

Work holders

Miscellaneous

B25B 100

Patent

active

045724946

ABSTRACT:
An engineers' or carpenters' vise comprising a tubular outer member (12) having a plurality of apertures (13) aligned along one side of the member. A jaw is fixed to one end of the member. A second tubular inner member (18) is telescoped within the first member and has a plurality of apertures (19) which cooperate with the aperatures (13) in the outer member. A movable vise jaw (20) is attached to the end of the inner member. A tapered lever (24) is provided for insertion into apertures which are not in line, so as to forcibly pry or move the inner member (18) in either one of two alternative directions. A tapered locking pin (22) is provided to securely lock the inner member (18) to the outer member (12) so as to prevent any return movement. The pin is inserted into apertures which are not in line. The inner member (18) can be removed from the outer member (12) and re-inserted into the opposite end of the outer member, so as to arrange the vise to have an even greater jaw opening.

REFERENCES:
patent: 422014 (1890-02-01), Emerson
patent: 3800387 (1974-04-01), Hamilton

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