Device in a quick coupling
CA 1316495 C · Owner: Smp Parts Ab · Inventors: Hulden, Fritiof
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device in a quick coupling for detachably coupling a working implement (50) to the operating arm (51) of an excavating machine, comprising two parallel link arms (11 12), each link arm, having a support surface (16) and a locking means comprising a, stationary wedge support (4) attached to the working implement (50) with an engagement surface (5) facing the working implement (50) and a movable tension pin (7) displaceable by a power cylinder (21) and having an engagement surface (6) for wedging cooperation with the engagement surface (5) of the wedge support (4), said locking means having support surfaces (24) to cooperate by means of pressure with the support surfaces (16) of the link …
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 April 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2010.
- 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.