Function switch for an apparatus

Details Function switch for an apparatus Function switch for an apparatus

2005-03-08

2005-03-08

Friedhofer, Michael A. (Department: 2832)

Electricity: circuit makers and breakers

Solid contact

Rotating actuator

C200S336000, C200S004000

Reexamination Certificate

active

06864455

ABSTRACT:
A function switch includes a switch base fixed to an apparatus and formed with a plurality of angularly spaced pitches, a knob, base disposed rotatably within an annular opening in the switch base, an external knob disposed on the switch seat and connected securely to the knob base for co-rotation therewith, and a spring member fixed to the knob base and having a resilient extension portion with engaging tongue slidably engaging the switch base to prevent removal therebetween. The engaging tongue collides against a respective groove to generate a clicking sound when the external knob is turned together with the knob base with respect to the switch base.

REFERENCES:
patent: 5821480 (1998-10-01), Machida
patent: 5927486 (1999-07-01), Kamiya
patent: 5954192 (1999-09-01), Iitsuka
patent: 6067424 (2000-05-01), Shono
patent: 6236002 (2001-05-01), Chou
patent: 6384357 (2002-05-01), Morrison
patent: 6441325 (2002-08-01), Takahashi et al.
patent: 6506984 (2003-01-01), Tomita

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