Structure of push-button device

Details Structure of push-button device Structure of push-button device

1981-02-05

1983-11-22

Little, Willis

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

200340, H01H 904, H01H 312

Patent

active

044171137

ABSTRACT:
In a push-button device having a waterproofing O-ring disposed between the inner wall of a pipe and the shaft portion of a button body, the structure of said push-button device characterized in that a non-metallic, resilient sleeve for preventing the invasion of dust and for restoring the push-button is disposed in a clearance formed between the head portion of the button body and a stepped portion provided on said inner wall of said pipe.

REFERENCES:
patent: 4023002 (1977-05-01), Wuthrich et al.
patent: 4031348 (1977-06-01), Eberhardt
patent: 4259551 (1981-03-01), Ohtani et al.
patent: 4287400 (1981-09-01), Kitik et al.

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