Excavator idler - outrigger
CA 1047076 A · Owner: Caterpillar Tractor Co. · Inventors: Unruh, Dale H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A track assembly for use on track-supported vehicles such as excavators and the like, including a driven sprocket a rigid undercarriage which extends forwardly of the sprocket and which supports the body of the vehicle the undercarriage, being supported by a series of linearly aligned track rollers, and an idler assembly, including a rigid linking member and idler wheel. The linking member is pivotally mounted on the front of the undercarriage and extends forwardly therefrom, and the idler wheel is rotatably mounted on the front of the linking member. A motor means attached to the undercarriage and to the linking member selectively moves the idler assembly from a first position wherein the …
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 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 1996.
- 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.