Three-position switch actuating mechanism
CA 2107817 A1 · Owner: Broize, Jean-Charles · Inventors: Jacquemet, Bernard; Broize, Jean-Charles; Odier, Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An actuating mechanism of a three-position switch the switch, comprising a main shaft (10) supporting or actuating contacts and able to be moved selectively to three stable positions and a center crank (31A) which is pivotally mounted and can be actuated so as to take the three positions of the main shaft the mechanism in addition having a mechanical system which produces a kinetic ratio between the angular movement of the center crank (31A) and that of the main shaft (10) which increases when the center crank (31A) moves from the open position to the closed position, which results in the force transmitted to the electrical contacts increasing continuously as movement takes place from the …
Read the whole patent
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
- Filed October 6, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 6, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 6, 2015.
- 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.