Cam-assisted switch

Details Cam-assisted switch Cam-assisted switch

1996-07-01

1997-05-06

Walczak, David J.

Electricity: circuit makers and breakers

Solid contact

Push button operated

200533, 200341, H01H 302

Patent

active

056262230

ABSTRACT:
The present invention includes a cam-assisted switch. A keycap or button is provided with three or more cam contact points. A cam member is provided with an associated number of outwardly extending fingers corresponding to each cam contact point on the keycap. Each finger has a flat top surface, side surfaces and a slope surface extending from the top surface to a side surface. A base is provided with cam finger stops and a dome support point. A dome is carried on the dome support to bias the cam in one direction. As the keycap is depressed, the contact points each engage a sloped surface on one of the respective cam fingers. As the keycap is further depressed, the displacement of each keycap contact point is the same thus eliminating any wobble. When the operator releases the keycap, the dome biases the cam in the opposite direction returning the keycap to its original position.

REFERENCES:
patent: 4319106 (1982-03-01), Armitage
patent: 5132499 (1992-07-01), Valenzona et al.
patent: 5178265 (1993-01-01), Sepke
patent: 5426275 (1995-06-01), Maeda et al .

Affiliated with

Also associated with

Rating

Cam-assisted switch does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cam-assisted switch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cam-assisted switch will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2126273