Air brake with integral spring chamber
CA 1338182 C · Owner: Haldex Brake Corporation · Inventors: Czaban, Gerald L.; Larberg, Warren C. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An air operated combination diaphragm spring brake has a permanent, fluid tight seal provided between a spring housing (46) and a spring side of an adapter housing (18). The spring housing (46) has an integral annular shoulder (90) with an extended lip portion (89) which is formed over an annular flange (94) of the adapter housing (18). A spring diaphragm (48) is interposed between the annular flange (94) and the annular shoulder (90) to form the fluid tight seal. In a second embodiment, a tube segment 98 is provided to form an annular channel over an annular flange 94' on an adapter housing 18', and an annular flange 96 on a spring housing 46, with a spring diaphragm 48' interposed …
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 26, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2013.
- 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.