Jig for assembling a track chain
CA 1214031 A · Owner: Maruma Jyusharyo Kabushiki Gaisha · Inventors: Numakura, Hirotomo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A jig for assembling a track chain includes pin adapters and bushing adapters attached detachably to tool bars. Each adapter is provided with an outer cylinder, an inner cylinder received slidably in said outer cylinder, a biasing means held within the outer cylinder for biasing the fore end of said inner cylinder so that it protrudes outwards from the fore end opening of the outer cylinder and a stop means attached to the outer cylinder for preventing the inner cylinder from protruding out of the outer cylinder. And, circular recesses are formed in the inner peripheral surface of the fire end opening of the outer cylinder.
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 November 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 2003.
- 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.