Active seat suspension control system
CA 2448494 A1 · Owner: Deere & Company · Inventors: Bremner, Ronald Dean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A suspension system supports a seat with respect to a base mounted on a frame of a vehicle. The system includes a hydraulic actuator coupled between the, seat and the base. A single accelerometer is attached to the base and generates a, base acceleration signal in response to motion of the base. A control unit actively, controls the hydraulic actuator as a function of the base acceleration signal. The, control unit generates a base velocity signal by integrating the base acceleration, signal, generates a seat position signal representing a position of the seat relative to, the base, generates a seat position error signal representing a difference between a, desired position and the …
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
- Filed November 6, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 6, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2025.
- 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.