Linear mechanical lock with one-piece lock housing and method for making the same
CA 2071172 A1 · Owner: Babiciuc, George V. · Inventors: Porter, Clyde R.; Babiciuc, George V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A linear mechanical lock including a housing formed of a single sheet of metal or the like folded to a generally tubular shape. A rod bearing and end bearing are formed integrally with the single sheet within the housing. A rod is slidably supported on the rod bearing for axial movement through the housing. A coil spring coaxial with the rod has a normal inside diameter for clutching the rod against axial movement. The coil spring is axially fixed between the end bearing such that one or more end coils of the spring means are canted to a rod locking condition under axial loading of the rod relative to the housing. One or more end tangs of the coil spring are circumferentially fixed to 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 June 12, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 12, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 12, 2014.
- 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.