Switch for controlling a range of movement

Details Switch for controlling a range of movement Switch for controlling a range of movement

2005-03-08

2005-03-08

Friedhofer, Michael A. (Department: 2832)

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

C200S500000, C200S501000, C200S568000, C200S569000, C200S047000

Reexamination Certificate

active

06864439

ABSTRACT:
A switch for limiting and controlling a linear range of movement by rotational means. Two limiting positions of the switch are independently adjusted using worm gears. The switch includes a plate and a rotatable block having a rotatable shaft rotatably disposed relative to the plate. The plate has first and second electrolinking points spaced apart from each other. One end of a spring plate is fixed to the first electrolinking point, a middle portion of the spring plate is abutted against a circumferential edge of the rotatable block and the other end of the spring plate adopts two working positions with respect to the second electrolinking point.

REFERENCES:
patent: 2960580 (1960-11-01), Aquillon
patent: 3299225 (1967-01-01), Willans
patent: 3971904 (1976-07-01), Ward
patent: 4103132 (1978-07-01), Schwarzkopf
patent: 4147073 (1979-04-01), Mercier
patent: 4334132 (1982-06-01), Poole
patent: 4803313 (1989-02-01), Rolf
patent: 5299678 (1994-04-01), Chang et al.

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