Driving device for locking and unlocking a lock with conditional opening
CA 2289556 A1 · Owner: Ilco-Unican S.A./Relhor Division · Inventors: Pellaton, Pierre; Juillerat, Denis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a driving device for locking and unlocking a lock with conditional opening, comprising: motoring means (MT) including a driving element (36) with a rotation axis (X1); a transmission arm (26) mounted about a rotation axis (X2), separate from the axis (X1); a locking unit (PVI) connected to the arm (26) and capable of taking up an active position (P1) countering the displacement of a rod, and an inoperative position (P2) allowing its displacement; and elastic means (48) to activate the locking unit (PVI) when its movement is blocked by the rod. The invention is characterised in that the elastic means (48) are arranged between the driving element (36) and 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 May 29, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 29, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 29, 2020.
- 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.