Caterpillar chassis for heavy vehicles
CA 1270286 C · Owner: Voest-Alpine Aktiengesellschaft · Inventors: Kolleth, Horst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The caterpillar chassis for heavy vehicles such as bucket-wheel excavators or wheeled loaders has, four caterpillars being arranged such that they spread out a supporting triangle . The front caterpillars , which are located at a smaller distance from the longitudinal axis of the chassis, are designed for being dirigible. The swivel axis of the traversing gear supported on the supporting triangle is displaced out of the position of the center of gravity of the supporting triangle in direction to the front end of the supporting triangle along the height line so, that the load acting on the caterpillars is made more uniform.
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 June 12, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 12, 2007.
- 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.