Push-button switch locking device for use in electric appliance

Details Push-button switch locking device for use in electric appliance Push-button switch locking device for use in electric appliance

1983-03-14

1985-03-12

Shepperd, John W.

Electricity: circuit makers and breakers

Plural switches control single circuit

200328, H01H 928

Patent

active

045047073

ABSTRACT:
A push-button switch locking device for use in an electric appliance including a casing, a push-button and a switch. The device includes a sliding knob which is mounted on the casing so as to be slid in a direction at right angles to a direction of depression of the push-button, and a locking piece which is provided so as to be operated upon displacement of the sliding knob such that the push-button is locked and unlocked, respectively.

REFERENCES:
patent: 1430087 (1922-09-01), Kovar et al.
patent: 2579168 (1951-12-01), Ballou
patent: 2641671 (1953-06-01), Koenig et al.
patent: 2810050 (1957-10-01), Johnson
patent: 3384727 (1968-05-01), Zavertnik et al.
patent: 3626131 (1971-12-01), Barney
patent: 3953696 (1976-04-01), Reimann et al.
patent: 4006334 (1977-02-01), Robotham et al.

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