Pneumatic system for endless track vehicles
CA 1307813 C · Owner: Gerard Sirois · Inventors: Plourde, Aime
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An air-adjustable shock absorber is pivotally connected at its ends to first arms of a front and of a back crank arm system, which are pivotally mounted to the vehicle chassis at the front and back of the same between the upper and lower runs of the endless track of the vehicle. The second arms of the front and back crank arm systems are connected to the front and back portion of the slides which engage the upper surface of the ground-engaging run of the endless track. The air pressure within the shock absorber unit biases the two crank systems in a direction so as to move the slides downwardly from the vehicle chassis. An air circuit system enables the driver to control the air pressure …
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 September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 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.