Shock absorber for a hydropneumatic vehicle suspension element
CA 1308422 C · Owner: Arnaud, Alain · Inventors: Joseph, Philippe; Arnaud, Alain; Perrochat, Jean-Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Shock absorber for a hydropneumatic vehicle suspension element, comprising a disk fastened in an outer casing having ports for the passage of the hydraulic fluid first elements allowing this passage in only one direction for some ports and in the opposite direction for the other ports, and second elements for fastening the said first elements to the disk; the abovementioned first elements comprise, mounted on the two opposite faces of the disk stacks of elastically flexible metal washers arranged in rigid annular deflectors located opposite the hydraulicfluid passage ports. The deflectors protect the flexible washers against any damage caused by the very high peaks of hydraulic pressure …
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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 October 6, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 2009.
- 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.