Multidirectional operating switch and multidirectional operating

Details Multidirectional operating switch and multidirectional operating Multidirectional operating switch and multidirectional operating

1997-10-13

1999-03-30

Friedhofer, Michael A.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

H01H 2506

Patent

active

058892427

ABSTRACT:
A multidirectional switch, which performs a tilting operation in multiple directions generating a signal by tilting the shaft portion of the operating member, includes: a dome-shaped movable contact made of a resilient thin metal plate; a box-shaped case; a cover including a through hole at a center thereof, the cover covers an upper opening of the case; and a flange portion integrally formed at a lower end of the shaft portion of the operating member. The case includes, on a bottom surface thereof: an outer fixed contact on which an outer peripheral lower end portion of the dome-shaped movable contact is placed; and a plurality of inner fixed contacts provided inside positions corresponding to the outer peripheral lower end portion of the dome-shaped movable contact so as to be equiangular and equidistant from a center of the dome-shaped movable contact. In the operating member, the shaft portion extends upwards out of the through hole of the cover, an upper surface of the flange portion is in contact with an inner surface of the cover, a periphery of the operating member is fitted and supported by an inner wall of the case so that the operating member is not rotatable but is tiltable and movable vertically, first pressing portions are provided respectively at positions on a lower surface of the operating member corresponding to the plurality of inner fixed contacts, and the plurality of first pressing portions are in contact with the dome-shaped movable contact.

REFERENCES:
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patent: 5268542 (1993-12-01), Voll
patent: 5378862 (1995-01-01), Tasaka et al.

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