Multiple switch assembly including spring biased rotary cam with

Details Multiple switch assembly including spring biased rotary cam with Multiple switch assembly including spring biased rotary cam with

1996-03-01

1997-09-16

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200573, 200 18, H01H 1960, H01H 2180

Patent

active

056683596

ABSTRACT:
A rotary encoded switch having a plurality of stationary discrete micro switches operated by a rotor having a plurality of concentric cam tracks. The cam tracks and switches are disposed such that for each rotary position of the rotor at least two switches, on opposite sides of the rotor are actuated and a discrete combination of switches is actuated for each position of the rotor. The number of microswitches required is less than half the number of rotary positions.

REFERENCES:
patent: 3071658 (1963-01-01), Demarest
patent: 3189763 (1965-06-01), Chown
patent: 3566051 (1971-02-01), Hulterstrum et al.
patent: 3639707 (1972-02-01), Takano
patent: 3657493 (1972-04-01), Horsley
patent: 4052578 (1977-10-01), Hoke
patent: 4272658 (1981-06-01), Crosby
patent: 4444284 (1984-04-01), Montemurro
patent: 4814556 (1989-03-01), Cole

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