Excavator quick coupler having wedge-type connection
CA 2358372 A1 · Owner: Nye, John Charles · Inventors: Nye, John Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coupling apparatus capable of attaching an implement such as a bucket to a power operated boom of a machine such as a backhoe or, excavator. The apparatus includes a coupling device that can be connected to the boom and that has a hook-type connector for engaging a first transverse pin mounted on the bucket and at least one wedge-receiving opening formed therein. A connecting sleeve device is connectible to the coupling device and has a longitudinal passageway extending therethrough for receiving a second transverse connecting pin on the bucket. The sleeve device has one or two abutment members connected thereto and protruding outwardly therefrom. The abutment member has an aperture …
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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 5, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 5, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 5, 2023.
- 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.