Compensating coupling
CA 2293757 A1 · Owner: Hoffmann, Heinz W. · Inventors: Hoffmann, Heinz W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a compensating coupling transmitting torque in order to compensate for imprecise alignments in machine elements that are to be joined. One disadvantage with prior art is that these couplings are relatively complicated to produce and that the service life of the spring elements used is limited. The spring element in the inventive coupling is characterised in that recesses (7, 8, 11) and threaded holes (10 12) are provided on the , periphery of the flange of the two half-couplings (1 2) so that the radially , rigid springs (9) that are used as connecting elements or other rigid spring elements inserted in the direction of the periphery fit exactly into the …
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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 March 18, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 18, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 18, 2021.
- 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.