Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1997-05-18
1998-12-01
Friedhofer, Michael A.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200308, 200339, H01H 916, H01H 2100
Patent
active
058441832
ABSTRACT:
A button switch includes: a housing provided with two resilient members at two opposite lateral sides thereof and two aligned holes at another two opposite sides thereof, a first blade extending upwardly into the housing and pivotally connected with an intermediate portion of a rocking plate; a second blade being a L-shaped member extending upwardly into the housing and engageable with the rocking plate; a button provided with two protuberances adapted to engage with the aligned holes of the housing, a projection at a bottom thereof, and a recess at an end thereof, the recess being provided with a protrusion at one side thereof and a through hole at another side thereof; a spring mounted between the first blade and the projection of the button; and an indicating member having a cavity at a bottom and a protuberance at a top, the indicating member being fitted within the recess of the button with the cavity and protuberance engaged with the protrusion and through hole.
REFERENCES:
patent: 3311716 (1967-03-01), Carlson
patent: 3995132 (1976-11-01), Piber
patent: 4751467 (1988-06-01), Sorenson et al.
patent: 5008503 (1991-04-01), Stuhlmacher
patent: 5038008 (1991-08-01), Pommier
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