Double disc type brake system
CA 1083980 A · Owner: Caterpillar Tractor Co. · Inventors: Chamberlain, Richard W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A double, disc type brake system for wheeled vehicles, including two disc packs, operationally combined in a working set, for each vehicle wheel to be braked the, disc packs in each set being respectively placed in back to back relationship, and the disc packs having hydraulically operated multiple pistons for actuation thereof the multiple, pistons constituting two oppositely faced piston sets operatively positioned in a common actuator support centrally disposed between the two disc packs of each set and the, two piston sets being respectively operable to actuate the two disc packs of the set. The hydraulic system is operable to initially actuate one disc pack of each set upon movement of …
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 August 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 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.