Pretensioner for a vehicle safety belt system
CA 2037080 A1 · Owner: Yano, Hideaki · Inventors: Yano, Hideaki; Nishizawa, Muneo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Pretensioner for a Vehicle Safety Belt System Abstract, A pretensioner for a vehicle safety belt system adapted to tighten a webbing that restrains a vehicle occupant by displacing an element of the belt system in a manner such as to tighten the webbing comprises as, the motive power source for displacing the element a, torsion coil spring having a base end portion fixed to the vehicle, a coil portion retained in guided relation to the vehicle, and an operating end portion associated with the element such as to impart a driving force to the element to cause it to displace upon release of energy stored in the coil spring. The element of the belt system displaced by the torsion coil spring …
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 February 26, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 26, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 26, 2013.
- 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.