Electrical switch

Details Electrical switch Electrical switch

1994-11-08

1997-01-28

Gellner, Michael L.

Electricity: circuit makers and breakers

Multiple circuit control

Reciprocating contact

200 52R, H01H 1300

Patent

active

055979904

ABSTRACT:
Electrical switch, especially for detecting the presence of an electronic memory card in a card reader device. An electrical switch (10) includes a trigger button (14) which is slidingly mounted in a switch box (12), a mobile contact element (62) which is connected to the button (14) and which interacts with at least fixed contact element (50,52) carried by the box (12) of the switch, and a spring and the mobile contact element (44,62) elastically returns the button (14) to a stable inactive position, in which the value of the reutrn force (F) decreases when the actuation travel (C) of the button (14) exceeds a predetermined value (C1), characterized in that the predetermined value (C1) of the travel corresponds to the triggering of the switch.

REFERENCES:
patent: 2661408 (1953-12-01), Shabeck, Jr.
patent: 3196230 (1965-07-01), Barden et al.
patent: 3253271 (1966-05-01), Trupiano et al.
patent: 3624332 (1971-11-01), Van Benschoten
patent: 4088855 (1978-05-01), Emery
patent: 4303813 (1981-12-01), Cary
patent: 5331123 (1994-07-01), Kimbell et al.

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