Switch assembly

Details Switch assembly Switch assembly

1994-05-23

1995-05-30

Recla, Henry J.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

2003021, 277152, H01H 1306

Patent

active

054203864

ABSTRACT:
An improved switch assembly includes a housing and a push button which is movable relative to the housing between extended and retracted positions. Upon manual actuation of the push button, the push button is moved into the housing from the extended position to the retracted position. Upon releasing of the push button, the push button moves back out of the housing from the retracted position to the extended position. An improved seal is provided to seal a Joint between the push button and the housing. During movement of the push button from the extended position to the retracted position, the seal provides relatively little resistance to movement of the push button. However, upon movement of the push button from the retracted position back to the extended position, the seal provides substantially greater resistance to movement of the push button to prevent overtravel of the push button past the desired extended position.

REFERENCES:
patent: 3315535 (1967-04-01), Stevens
patent: 4152564 (1979-05-01), Wirz
patent: 4496813 (1985-01-01), Fukushima
patent: 4520334 (1985-05-01), Stearley et al.
patent: 5294900 (1994-03-01), Mohabbatizadeh et al.
patent: 5296826 (1994-03-01), Hart et al.

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