Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Patent
1999-11-22
2000-12-26
Friedhofer, Michael
Electricity: circuit makers and breakers
Multiple circuit control
Multiple switch
200517, 200341, H01H 1370
Patent
active
061663379
ABSTRACT:
A device includes a housing, a built-in electric printed circuit board and a set of keys positioned near to a wall of the housing. At least a key portion movable by depression, positioned substantially perpendicularly to the wall, is present inside the housing and, aligned to the key portion, a first moving contact actuator portion, as well as a cooperating contact portion that makes breakable electrical contact with the printed circuit board. The depressible key portion is positioned on a first face of a first portion of an elastic carrier plate inside the housing and the first moving contact actuator portion is positioned on the facing second face. The contact portion is connected to a first face of the elastic carrier plate facing the printed circuit board. A second moving contact actuator portion is present on the second face of the second portion of the elastic carrier plate and is aligned to the contact portion. The first contact actuator portion cooperates with the second contact actuator portion and moves the second contact actuator portion in the direction of the contact portion.
REFERENCES:
patent: 5227774 (1993-07-01), Bernoist
patent: 5336860 (1994-08-01), Slocum
patent: 5749457 (1998-05-01), Castaneda et al.
patent: 5940015 (1999-08-01), Thornton et al.
Friedhofer Michael
Slobod Jack D.
U.S. Phillips Corporation
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