Machine for the grinding of rails
CA 1320051 C · Owner: Scheuchzer S.A. · Inventors: Buhler, Fritz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The carriage comprises a frame with two end axles between which is located a bissel truck the chassis of which, is articulated on one of these end axles and a guide bar, articulated between the axle of the bissel truck and the other end axle. At least one wheel of the bissel truck functions as a rail tracer. Grinding heads are articulated on this chassis and on this guide bar by means of connecting rods and are thus guided independently of the positions of the end axles, in such a way that the contact point of each grinding wheel follows the rails independently of curves thus compensating the cambers at these points. The carriage can have several successive bissel trucks articulated on one …
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
- Granted July 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 2010.
- 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.