Self-resetting push switch

Details Self-resetting push switch Self-resetting push switch

H - Electricity

01

H

306/308, 306/307

H01H 13/14 (2006.01) H01H 13/12 (2006.01) H01H 13/52 (2006.01) H02B 1/048 (2006.01)

Patent

CA 2012453

ABSTRACT OF THE DISCLOSURE A self-resetting push switch including a closed-end insulating housing having first and second pairs of opposing inner wall surfaces. First grooves are formed on the first pair of surfaces, while a second groove having a projection is formed on at least one of the second pair of surfaces. First and second movable contact pieces project outwardly from a sliding sleeve being integral with an operation rod and having at least one engagement piece engageable with the projection of the second groove. The movable contact pieces are capable of coming into sliding contact with a first stationary contact piece inserted in one of the first grooves, and a second stationary contact piece. A spring interposed between the bottom surface of the housing and the lower surface of the sliding sleeve always urges the operation rod in such a manner that part of the operation rod always projects from the housing. A pair of conductive and resilient fixing pieces having the second stationary contact piece are disposed in such a manner as to bridge two opposing positions on the upper portion of the housing. The push switch can be assembled easily and efficiently without degrading reliability and operability.

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