Device for vertically securing headrests, particularly for motor vehicle seats
CA 2251901 A1 · Owner: Delage, Olivier · Inventors: Delage, Olivier; Patte, Damien
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The object of the invention is a device for vertically securing seat headrests particularly for motor vehicles, the headrest comprising at least a shaft inserted in a socket (1; 30) attached to the frame (2) of the seat. According to the invention the device comprises at least one bushing (3; 32) placed in a housing (12) inside the socket and equipped to receive and clamp the shaft the shaft and housing having articulated cam surfaces so that the bushing selectively clamps or releases the shaft when the bushing is subjected through the shaft, to stresses in a predetermined direction.
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 April 15, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 15, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 15, 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.