Hand control mechanism

Details Hand control mechanism Hand control mechanism

1979-10-29

1981-04-07

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74417, 74471XY, 74507, G05G 700

Patent

active

042598788

ABSTRACT:
The hand control mechanism has the ability to receive two alternative modes of input for the given mode of output. The mechanism includes a handled lever extending into a housing rotatably mounted to a frame, and a bell crank rotatably mounted to said housing. The handled lever can be moved longitudinally to a first or second position. The first position communicates the lever to a plurality of gears such that rotating the lever about its longitudinal axis rotates the bell crank about the housing. Placing the lever in the second position the bell crank is restrained from rotating free of the housing which can be rotated directly by the lever, rotation of the bell crank being the assigned mode of output.

REFERENCES:
patent: 1393678 (1921-10-01), Falk
patent: 1454726 (1923-05-01), Collins
patent: 3997040 (1976-12-01), O'Neill et al.
patent: 4126056 (1978-11-01), Brown et al.
patent: 4126987 (1978-11-01), Sarich
patent: 4140027 (1979-02-01), Wineburner et al.
patent: 4140200 (1979-02-01), Tucek

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