Anti-rotation stop of a retaining nut for a part on a shaft, retaining nut and shaft upon which the device is mounted and aircraft engine upon which the device is mounted
CA 2550784 C · Owner: Snecma · Inventors: Bart, Jacques Rene; Berbiguier, Laurent Michel Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The anti-rotation stop of a retaining nut for a part on the end of a hollow shaft the said retaining nut being screwed into the said shaft and having a free end comprises: at least one shaft cut-out on the radially external periphery of the said end of the shaft at least one nut cut-out, on the radially internal periphery of an end of the said retaining nut a locking pin designed to be placed in a locking hole created by the alignment of a shaft cut-out with the nut cut-out. Application to tightening an external bearing ring.
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 June 23, 2006 and granted January 5, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 23, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.