Power transmission chain
CA 1254766 A · Owner: Borg-Warner Corporation · Inventors: Ledvina, Timothy J.; Mead, Robert H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A chain and sprocket drive in which the chain (12) is constructed of sets (16,18) of connected links (20,22), the links in all sets being constructed to drivingly contact the sprocket teeth (14) with inside flanks (34,38,50,54) only, the links in some sets of links being of a shape which differs from the links in other sets of links.
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 May 30, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 30, 2006.
- 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.