Electricity: circuit makers and breakers – Electric switch details – Contact
Patent
1994-08-03
1996-08-13
Walczak, David J.
Electricity: circuit makers and breakers
Electric switch details
Contact
200246, 200535, 200546, H01H 126
Patent
active
055458645
ABSTRACT:
A push button switch (3) encounters, during a stroke of a push rod (6) thereof, a pressure point (D), a switching (contact-making) movement, and a return tension. A one-piece spring element (16) is provided for achieving this with an uncomplicated structure, with a short stroke, and with a reliable contact once the pressure point has been overcome. The one-piece spring element has, between a contact arm (26) and a return arm (21), hairpin-shaped bent guide legs (17, 18). A sloping step (24) formed on at least one of the guide legs creates the pressure point.
REFERENCES:
patent: 4035596 (1977-07-01), Marquardt et al.
patent: 4277663 (1981-07-01), Soes
patent: 4789764 (1988-12-01), Doros
Bauer Karl-Heinz
Eckert Gerold
Maisch Edgar
R uttiger Anton
Preh-Werke GmbH & Co. KG
Walczak David J.
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