Mobile track switch working machine
CA 1294491 C · Owner: Praschl, Wilhelm · Inventors: Praschl, Wilhelm; Theurer, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mobile track working machine comprises a machine frame and an apparatus for lifting and laterally moving the track in a switch section, which apparatus comprises a vertically and laterally movable tool carrier frame, power-actuated drives linking the tool carrier frame to the machine frame for vertically and laterally moving the tool carrier frame with respect to the machine frame, a pair of flanged wheels supporting the tool carrier frame for mobility on the track a respective, one of the flanged wheels being associated with each track rail and serving as track lining element, and a respective rail gripping device mounted on the tool carrier frame for engagement with the field side of …
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 January 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 2009.
- 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.