Self adjusting parking brake
CA 1253815 A · Owner: Kelsey-Hayes Company · Inventors: Evans, Anthony C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatically adjusting automobile parking brake actuating mechanism has a thrust screw attached to a friction pad and axially translated in response to normal brake activating movement of the friction pad. An adjusting nut having an axial threaded bore threadingly receives the thrust screw and includes coaxial ratchet teeth and a peripheral groove externally circumscribing the adjusting nut. An adjuster pawl having a pivot an adjusting leg communica-, ting with the ratchet teeth and a camming leg communicating with the peripheral groove effects pivotal movement of the adjuster pawl, thereby causing rotation of the ratchet teeth and the adjusting nut relative to the thrust screw. An …
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 9, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 9, 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.