Belt or track system, cargo carrier utilizing such system, and work machine utilizing such system
CA 2323400 A1 · Owner: Crabb, Elmer R. · Inventors: Crabb, Elmer R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bogie mounted track system utilizing stops to restrict movement of a bogie is disclosed. The system includes a bogie frame supporting a bogie having a continuous track. The system further includes a second frame supporting a drive shaft having a longitudinal drive shaft axis which shaft, provides power to the bogie and wherein the bogie may, rotate with respect to the second frame around the drive shaft axis. The system further includes a bogie stop supported by the bogie frame, and a second frame stop supported by the second frame, wherein the stops are positioned to restrict rotation of the bogie. A work machine and cargo carrier utilizing such system are also disclosed.
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
- Filed October 17, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 17, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 17, 2022.
- 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.