Rail maintenance machine the chassis of which is equipped with a device for lifting and shifting a railway track
CA 1234014 A · Owner: Matisa Materiel Industriel S.A. · Inventors: Hurni, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The machine is intended for the displacement of open track sections and switch gear. For this purpose it is provided, for each, line of rails with a shifting roller (17), a hook, (11) for the lifting of the switch gears and roller (12) for the lifting of the open sections these, tools being mounted on a tool holder (9 10) moved, by lifting (22) and shifting (23) jacks connected to the chassis (3) of the machine. The lifting hook (11) and the lifting roller (12) are mounted movable in rotation in a plane parallel to the track around a shaft (29) and are moved around said shaft by a jack (32) having two end-of-stroke positions corresponding to the operating position of one and the other of …
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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
- Granted March 15, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 15, 2005.
- 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.