Electrical joystick controller
CA 2250692 A1 · Owner: Atwell, Anthony Keith · Inventors: Atwell, Anthony Keith; French, Jeffrey
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A joystick controller comprises a pivoted lever (10) a main bush (22) carried , on the lever (10) and co-operating with a cam surface (18) and a secondary bush (30) carried on the lever and biassed against an inclined surface (25) of the main bush (22) to bias the main bush against the cam surface. The secondary bush abuts a stop (20) when the lever is pivoted through a predetermined angle parallel to a major axis of displacement such that , further displacement in the same direction causes the secondary bush (30) to slide along the inclined surface (25) of the main bush (22) and displace along the lever (10) against the bias: increased resistance to displacement is accordingly …
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 May 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 14, 2019.
- 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.