Caliper disc brake or the like
CA 1076492 A · Owner: Fmc Corporation · Inventors: Mccarthy, Richard H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This caliper disc brake is normally held in its engaged position by springs and is released by a solenoid which acts through a lever assembly to activate the plunger of a hydraulic master cylinder unit which directs a measured volume of hydraulic fluid into a brake cylinder during each stroke to release the brake and provide a predetermined brake clearance. Brake wear results in a gradually diminishing volume of fluid within the brake cylinder with the excess fluid displaced therefrom flowing into a reservoir of the master cylinder prior to directing the measured volume of hydraulic fluid into the brake cylinder during the next brake releasing stroke. The cross sectional area of the master …
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 April 29, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 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.