Handle linkage

Details Handle linkage Handle linkage

1992-09-10

1994-08-09

Look, Edward K.

Expansible chamber devices

With linkage or transmission having relatively movable members

74105, 74106, 74524, F01B 900

Patent

active

053355865

ABSTRACT:
A handle linkage including two handle arms rotatably secured to each other, while one handle arm is attached to the body of a tool and the other handle arm is attached to an actuatable member of the tool. One or more links connect the actuatable member to the second handle arm allowing for substantially linear movement of the actuatable member into the body of the tool.

REFERENCES:
patent: 670416 (1901-03-01), Cronk
patent: 1282818 (1918-10-01), Hall
patent: 2936011 (1960-05-01), O'Leary
patent: 3012446 (1961-12-01), Muehl
patent: 4934204 (1990-06-01), Hadden
patent: 5141519 (1992-08-01), Smith et al.
MAC Tools catalog. p. 246, showing vacuum pumps, Parts Nos. MV74000 and MV4000, having known handle linkages (date unknown).

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