Axle and wheel assembly
CA 1286579 C · Owner: Eaton Corporation · Inventors: Runels, Thomas Lee
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vehicle wheel and axle assembly having inflatable tires to be connected with a pressurized air source on the vehicle, comprising an annular sealing assembly (23) having a pair of annular radially expanding lobes (50) which upon pressurization expand into sealing engagement with sealing surfaces (22) and including a normally closed check valve (54) which permits the flow of pressurized air to said lobes (50) and prevents the flow of pressurized air into the tires until the lobes are in sealing engagement with said sealing surfaces (22).
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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2008.
- 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.