Variable ratio gear transmission
CA 1091061 A · Owner: Bales-Mccoin Research Inc. · Inventors: Mccoin, Dan K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Power is transmitted through a low torque power path established by a variable traction drive assembly to control the drive ratio of a plural power path constant mesh gear, transmission. The contact pressure associated with the traction drive assembly is varied as a function of the transmission drive ratio that is varied between reverse and forward drive values under control of the traction drive assembly. RD/PB/EMG.
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 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 1997.
- 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.