Drive system
CA 1067724 A · Owner: Borg-Warner Corporation · Inventors: Woollard, Gary A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drive system as described in copending application No. 254,314 of Borg-Warner Corporation wherein the spring discs which control movement of the movable flanges of the pulleys are formed to provide a positive driving connection. Specifically the disc springs are provided on their peripheries with flats or chordal surfaces which provide the desired positive driving connection with corresponding flats on the drive or driven part.
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 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 11, 1996.
- 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.