Automatic clutch
CA 1138357 A · Owner: Automobile Parts Manufacturing Company Limited · Inventors: Ishino, Kunihiro; Ishiwata, Hideyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title of the Invention: AUTOMATIC CLUTCH, 2. Abstract of the Disclosure: An automatic clutch disposed between driving and driven members comprises, on the driving side a drive, clutch movable only axially relative to other parts and normally biased in the declutching direction an outer cam, located on the side where the drive clutch is biased and moved, said cam being adapted to move in the same way as the drive clutch, with a spring disposed between the outer cam and the drive clutch to bias them away from each other and a stationary inner cam adapted -to be connected to or disconnected from the outer cam according as the clutch disengages or engages, said inner cam having projections. A …
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
- Granted December 28, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 28, 1999.
- 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.