Electricity: circuit makers and breakers – Solid contact – Push and/or pull with 3 or more positions
Patent
1991-02-22
1992-06-09
Recla, Henry J.
Electricity: circuit makers and breakers
Solid contact
Push and/or pull with 3 or more positions
200548, 200549, 200547, H01H 1946, H01H 1502
Patent
active
051209225
ABSTRACT:
A momentary pushbutton multiposition slide switch is provided which can be readily manufactured in miniature size from substantially fewer components than switches of conventional construction while providing the same electrical functionality. The switch includes a slider assembly that provides three switch positions: a normally open position, a position providing switch closure between first fixed contacts and a switch position providing switch closure between second fixed contacts. The slider assembly includes a slider contact that is carried by an assembly body, the slide contact selectively bridges fixed contacts to be interconnected at each slide position. The slider assembly also includes a pushbutton that incorporates a detent portion. In one embodiment, the detent portion is cooperative with a complenentary detent portion of a resilient contact element. In an alternate embodiment, the detent portion includes a ball and spring assembly that is cooperative with recesses in a confronting wall of a switch housing. Depression of the pushbutton causes engagement of the resilient contact element with a cooperative fixed contact to provide momentary switch closure. The fixed contacts are retained on an insulative mounting board that is secured to the switch housing which also supports the slide assembly. The fixed contacts terminate in external leads or terminals for connection to associated circuitry.
REFERENCES:
patent: 2464184 (1949-03-01), Pearce
patent: 3511952 (1970-05-01), Wickinson
patent: 4393283 (1983-07-01), Masuda
patent: 4816626 (1989-03-01), Valenzana et al.
patent: 4871885 (1989-10-01), Kamada
Augat Inc.
Recla Henry J.
Walczak David J.
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