Transmission with one-way clutches and method of and apparatus for controlling the transmission
CA 2016151 C · Owner: Kajikawa, Kaoru · Inventors: Shimada, Takamichi; Niiyama, Tsunefumi; Shimada, Hiroyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A countershaft-type transmission for use on an automobile has a plurality of parallel gear trains disposed on and between an input shaft and a countershaft for trans-, mitting power between the shafts the gear trains including, two high-load gear trains to which higher loads are imposed and two one-way clutches disposed respectively in the two high-load gear trains, for allowing power from an engine to be transmitted only in a driving direction. The two highload gear trains are disposed one on each side of the bearings by which the shafts are rotatably supported. Each of the one-way clutches has an input member and an output member, the output member of one of the one-way clutches being …
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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
- Filed May 7, 1990 and granted December 13, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 7, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 7, 2012.
- 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.