Snap-in switch housing

Details Snap-in switch housing Snap-in switch housing

1980-04-21

1981-04-14

Shepperd, John W.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

248 271, H01H 902

Patent

active

042621810

ABSTRACT:
A snap-in switch housing for a manually operated electrical switching device has a bushing in which a control shaft for the device is journaled molded from a plastic material. Included on the exterior of the bushing are resilient prongs having cam surfaces which cause the prongs to be pushed inwardly as the bushing is inserted through an aperture in a mounting plate for the switch device with barbs on the prongs preventing retraction of the switch housing from the mounting plate after insertion. The resiliency of the plastic material from which the bushing is molded causes the prongs to maintain a position in which the housing is securely mounted to the mounting plate.

REFERENCES:
patent: 2193268 (1940-03-01), Catron et al.
patent: 3116960 (1964-01-01), Olsson et al.
patent: 3298641 (1967-01-01), Puerner
patent: 3350531 (1967-10-01), Koepke
patent: 3668356 (1972-06-01), Kekas

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