Vehicle capable of travelling over obstructions
CA 1048075 A · Owner: Toosbuy, Karl-Heinz W. · Inventors: Last, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a vehicle capable of travelling over obstacles, comprising, a chassis, road wheels supporting the chassis, a spider rotatably connected to the chassis and having a plurality of step wheels rotatably mounted at the ends of its arms, endless elastic belt means connecting the step wheels by engagement with their peripheries the distance between, successive step wheels being sufficient to permit the belt means to fold into engagement with the riser and tread of a stair step encountered by the vehicle, and a drive means on said vehicle including a drive wheel disposed outside the periphery of the spider for directly engaging and driving the belt means. The vehicle may …
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 February 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 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.