Automatic locking clutch
CA 1163934 A · Owner: Borg-Warner Corporation · Inventors: Fogelberg, Mark J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract: A clutch for engaging a driving member with a driven member automatically upon application of torque to rotate the driving member in either direction for maintaining engagement in either the drive or coast mode of operation and during the transition between drive and coast, for maintaining engagement in either forward or reverse operation and during the transition between forward and reverse and for dis-, engaging automatically upon interruption of the torque and slight relative rotation of the members. The clutch includes a mechanism for developing high frictional drag upon initial rotation of the driving member to effect engagement, and low frictional drag thereafter to conserve …
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 March 20, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 2001.
- 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.