Push-pull switch operator

Details Push-pull switch operator Push-pull switch operator

1979-06-04

1981-03-10

Shepperd, John W.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200155L, 200 18, 200307, H01H 1524

Patent

active

042556333

ABSTRACT:
A push-pull switch operator characterized by separable contacts, a contact operating member, an actuating structure movable longitudinally to move said member, a guide adjacent the actuator for guiding the structure through longitudinal movement, the guide having a cam and the actuating structure having a cam follower, the cam follower being mounted on a spring biased slide for movement transversely of the longitudinal movement of the structure to effect push-pull momentary, push-pull maintained, and pull operation of the switch.

REFERENCES:
patent: 1309840 (1919-07-01), Bramming
patent: 2946237 (1960-07-01), Hebert
patent: 2956446 (1960-10-01), Ensign et al.
patent: 2991343 (1961-07-01), Norden
patent: 2996593 (1961-08-01), McMains
patent: 3169406 (1965-02-01), Mullen
patent: 3288973 (1966-11-01), Piber
patent: 3312805 (1967-04-01), Bury
patent: 3406589 (1968-10-01), Guber
patent: 3472986 (1969-10-01), Stullman
patent: 3582592 (1971-06-01), Schadow
patent: 3707610 (1972-12-01), Davies
patent: 3789173 (1974-01-01), Bury
patent: 3808388 (1974-04-01), Neuschuander
patent: 3824362 (1974-07-01), Bury
patent: 3866006 (1975-02-01), Westram
patent: 3895205 (1975-07-01), Tharp
patent: 4064381 (1977-12-01), Mullen et al.
patent: 4112277 (1978-09-01), Kleeb

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