Push-button switch with improved rocking contactor switch mechan

Details Push-button switch with improved rocking contactor switch mechan Push-button switch with improved rocking contactor switch mechan

1982-06-07

1983-05-10

Shepperd, John W.

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200159R, 200244, 200 6R, 200267, H01H 2140, H01H 1900

Patent

active

043831494

ABSTRACT:
A push-button switch wherein a spring loaded plunger (22) is carried by a push-button operator (4) along a surface of a rocking contactor (20) across the plane of the support contact (16) for the contactor (20) to rock that contactor into and out of engagement with stationary contacts (12, 14). A U-shaped conductive bearing (18) is mounted over the end of the support contact (16) to provide a uniformly smooth pivot and current transfer surface for the contactor (20). The plunger (22) and spring (24) are loaded in a through-hole (4f) in the operator (4) wherein the spring (24) may be compressed just prior to final assembly into a switch housing (2), facilitating assembly operations for the switch.

REFERENCES:
patent: 1883126 (1932-10-01), Tregoning
patent: 2248361 (1941-07-01), Krieger
patent: 2856492 (1958-10-01), Heyhal
patent: 3639714 (1972-02-01), Fujimoto et al.
patent: 3646291 (1972-02-01), Bienwald et al.
patent: 3694598 (1972-09-01), Nishikawa et al.
patent: 3735079 (1973-05-01), Dieterich
patent: 3780247 (1973-12-01), Healy et al.
patent: 3999024 (1976-12-01), Marquardt
patent: 4053726 (1977-10-01), Schaad
patent: 4121071 (1978-10-01), Campbell et al.
patent: 4291207 (1981-09-01), Reinke et al.

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