Electrical switch with omega shaped return spring

Details Electrical switch with omega shaped return spring Electrical switch with omega shaped return spring

1996-05-02

1998-06-30

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

267159, 338162, H01H 2144, F16F 118, H01C 1036

Patent

active

057737746

ABSTRACT:
The present invention provides an electrical switch with a return spring comprising a housing having a cylindrical shaped rotor having a brace member extending therefrom and in a centered position, the brace member is positioned adjacent to a stop abutment member protruding within the aperture of the switch housing and a spring member mounted on the rotor having arms which abut against the edges of the brace member and the stop abutment in the centered position and upon rotation of the rotor, the arms of the spring will cause the rotor to return to its centered position. The brace member abuts the arms of the return spring and upon rotation of the rotor, the braces cause the arms of the return spring to deform. The return spring in a preferred embodiment has an Omega shape.

REFERENCES:
patent: 3497644 (1970-02-01), Schink et al.
patent: 3892931 (1975-07-01), Lockard
patent: 4032128 (1977-06-01), Nicolaisen et al.
patent: 4039791 (1977-08-01), Nicolaisen et al.
patent: 4114002 (1978-09-01), Hochgesang
patent: 4423296 (1983-12-01), McSparran
patent: 4746771 (1988-05-01), Koslar
patent: 4801914 (1989-01-01), Kerai
patent: 4920773 (1990-05-01), Surko, Jr.
patent: 5010214 (1991-04-01), Yamazaki

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