Tie exchange machine
CA 1312784 C · Owner: Theurer, Josef · Inventors: Hansmann, Johann; Worgotter, Herbert; Theurer, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A machine for exchanging old ties for new ties which comprises a self-propelled standard railroad vehicle comprising a machine frame, undercarriages supporting the machine frame for mobility on the railroad track a drive, for advancing the vehicle in an operating direction and an, operator's cab, A tie exchanging device is connected to the machine frame and arranged within sight of the operator's cab, the tie exchanging device being operable for withdrawing the old ties and inserting the new ties and comprising a longitudinally adjustable tie gripping means including a tie clamp, a drive for longitudinally adjusting the tie gripping means, and respective drives for vertically adjusting and …
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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 January 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 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.