Guide rail with engaging-releasing slots for a roller guide assembly in particular with inclined rollers
CA 2337359 A1 · Owner: Lohr Industrie · Inventors: Andre, Jean-Luc; Koerber, Martin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a guide rail comprising above the tie pad of its core (3) a railhead (4) formed by two cambered convex flanks (5) and (6) whereof the top parts form upper ramps (13) and (14) serving as running track for inclined guide rollers and assembled by a linking zone (8). Said upper ramps are extended downwards by curved surfaces (12) and (13) followed by lower ramps (15) and (16). The guide rail comprises in certain places engaging-releasing zones formed by opposite slots (21) and (22) in the form of an indentation towards the core (3) central portion for example a linear recess of the curve of each flank so as to allow a guide roller shoulder or stub to pass without …
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 July 28, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 28, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 28, 2021.
- 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.