Multiple cam, multiple position switch control mechanism with jo

Details Multiple cam, multiple position switch control mechanism with jo Multiple cam, multiple position switch control mechanism with jo

1976-01-06

1977-10-04

Scott, James R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 6A, 200 18, 74471XY, H01H 332, H01H 2504, G05G 900

Patent

active

040525783

ABSTRACT:
The invention is a control mechanism for selectively operating one or more motive devices, such as multiple-speed electric motors, either separately or simultaneously in any combination of the speed capabilities thereof. In particular, the present control mechanism provides a plurality of cam elements fixed on two shafts arranged in a cruci-form conformation, the shafts being rotatable either singly or in tandem by a single control handle to engage one or more of the cam elements with contact switch elements which act to complete circuits or otherwise activate associated apparatus.

REFERENCES:
patent: 1794193 (1931-02-01), McKerlie
patent: 2747035 (1956-05-01), Hansen et al.
patent: 3293381 (1966-12-01), Eitel
patent: 3360620 (1967-12-01), Ward
patent: 3550466 (1970-12-01), Ham
patent: 3657493 (1972-04-01), Horsley

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