Discs for disc brakes
CA 1251149 A · Owner: Lucas Industries Public Limited Company · Inventors: Burns, Robert L.D.; Gaskill, Stephen P.; Russell, David F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a disc for a disc brake, the disc comprising two annular members arranged coaxially with respect to each other and joined together by generally radially extending vanes and pillars, which project from a central web located between the annular members. The vanes extend for part of the radial extent of the annular members and the, pillars are located in a region not occupied by the vanes and preferably radially beyond the vanes. Power absorption and noise generation is reduced considerably as a result of the reduced vane overall diameter as, compared to a disc of like diameter with the conventional long radial vanes. However the desired, cooling is maintained …
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 14, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 14, 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.