Anti-rotation clip
CA 2319295 A1 · Owner: Bell Helicopter Textron Inc. · Inventors: Zierer, Joseph J.; Day, Clifton B.; Covington, C. Ed (Deceased)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is for an improved rotating control system for use on tilt rotor, aircraft and helicopters. Existing rotating control systems usually include a non-rotating, swashplate and a rotating swashplate both swashplates having a plurality of clevises, each clevis, formed by at least two clevis arms. The clevis arms are disposed in a clevis plane, and an axis, of symmetry is located in the clevis plane between the clevis arms. The clevises on the non-rotating , swashplate are adapted to pivotally receive an actuator rod which has a rod axis defined, by the actuator rod. The apparatus of the present invention includes an antirotation clip that is, disposed between 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 September 14, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 14, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 14, 2022.
- 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.