Hood device for coupling cars
CA 1281939 C · Owner: Japan National Railways · Inventors: Ohta, Yoshio; Tabata, Koji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a car coupling hood device including a pair of hoods provided between a pair of car bodies to be coupled together, each of the hoods having one end secured to an adjacent car body and an, intermediate frame for coupling the other ends of the hoods together. The hood device incorporates a plate member coupled to the intermediate frame and provided in either the ceiling portion or the bottom portion of the hood device, or in both portions, and regulating means for preventing the movement of the plate member by the engagement therewith when both the car bodies are displaced relative to each other in the lateral direction thereof by more than a predetermined value.
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 March 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2008.
- 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.