Limit switch assembly

Details Limit switch assembly Limit switch assembly

1984-01-12

1985-12-03

Marcus, Stephen

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

200 47, H01H 1306

Patent

active

045567689

ABSTRACT:
A limit switch assembly which comprises a head having an actuator, a switch having a push button protruding outwards from a first area thereof and movable between projected and depressed positions, and also having at least two terminal members protruding outwards from a second area thereof for the electrical connection with external wiring elements, a rubber hood configured to substantially tightly receive the switch therein except for the second area of the switch, and having a circumferential flange formed integrally therewith so as to extend outwards therefrom in a plane generally parallel to the first area of the switch, and a switch box having an opening defined therein at a location confronting the head, and accommodating therein the switch together with the rubber hood. The circumferential flange is, when the switch is so accommodated in the switch box, positioned exteriorly of the switch box and surrounding the opening in the switch box. The head and the switch box are connected together by means of fastening members with the actuator aligned with the push button and, at that time, the circumferential flange area, tightly clamped therebetween.

REFERENCES:
patent: 3085140 (1963-04-01), Roe
patent: 3649785 (1972-03-01), Dietrich
patent: 3931484 (1976-01-01), Chace et al.
patent: 3987266 (1976-10-01), Betz
patent: 4342894 (1982-08-01), Scott et al.

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