Control panel assembly

Details Control panel assembly Control panel assembly

2006-07-12

2009-12-08

Luebke, Renee S (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C200S314000

Reexamination Certificate

active

07629548

ABSTRACT:
An illuminated control button with an eccentric switch and a button spring configured to substantially balance the mechanical resistance of the switch when the button is depressed. The switch may be a conventional push-button switch having a stem directly contacting a portion of the control button. The button spring may include an integral reflector and may have a rim that defines a surface engaging the button. The control button may include a fixed light source and the reflector may move about the light source when the control button is depressed. The present invention also provides a control button with a light source at least partially contained within an integrating sphere. In one embodiment, the integrating sphere includes a somewhat cup-shaped diffusely reflective surface that cooperates with a diffusely reflective surface on the back surface of the button to substantially evenly distribute light from the light source throughout the integrating sphere.

REFERENCES:
patent: 3309697 (1967-03-01), Skrbina
patent: 2005/0189205 (2005-09-01), Fujii et al.
patent: 2005/0194241 (2005-09-01), Kim
patent: 2005/0274593 (2005-12-01), Kawano

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