Ground engaging brake for heavy vehicles
CA 1104072 A · Owner: Coulombe, Bernard · Inventors: Coulombe, Bernard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A brake for preventing heavy vehicles from sliding downhill in the backward direction on a slippery surface is disclosed. The brake comprises at least one ground-engaging member pivotally mounted on the frame of the vehicle and adapted to engage the ground and means for pivoting such a ground-engaging member into engagement with the slippery surface, whereby, upon backward movement of the vehicle, the ground-engaging member will be positively driven into the ground by the weight of the vehicle to stop the backward movement of the vehicle. The outer ground-engaging end of the member is wedgeshape and defined a flat and surface which is upwardly inclined towards the rear of the vehicle when …
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 30, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 1998.
- 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.