Cam-type snap-action actuating mechanism for a switch
CA 1103291 A · Owner: Whirlpool Corporation · Inventors: Linstromberg, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
SNAP-ACTION CAMMING MEANS", ABSTRACT OF THE DISCLOSURE A snap-action camming means for use in controlling a double throw electrical switch. The switch may be biased to a first condition and substantially instantaneously thrown to a second operating condition by a spring associated with the cam. A single cam and cam follower are utilized to provide substantially positive throwing of the switch in both directions so as to avoid a dead break condition wherein the switch is maintained in an intermediate position between the two operating conditions. In one embodiment, the spring is formed integrally with the cam. The spring may be arranged to position the cam follower suitably to be maintained …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 16, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.