Rotary clutch assembly having interlocking hubs
CA 2356016 A1 · Owner: Hubbell Incorporated · Inventors: Klawitter, Scott Roger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rotary clutch assembly comprises a first hub and a second hub. The first hub has first and second ends. An inner surface in the first hub is defined by a first, internal passageway extending from the first end to the second end for receiving a, shaft. One of the first and second ends of the first hub has a first notch. The second, hub has first and second ends and an outer surface. An inner surface in the second, hub is defined by a second internal passageway extending from the first end to the, second end for receiving the first hub. One of the first and second ends of the second, hub has a second notch. Multiple clutch assemblies may be coupled on a single shaft, to form a drive …
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
- Filed August 28, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 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.