Method of making an internal wave generator for strain wave gearing
CA 1283776 C · Owner: Teijin Seiki Boston, Inc. · Inventors: Carlson, John Howard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of making an elliptoidal internal journal type wave generator for use with a flexspline the, latter having internal spline teeth an outer diameter, (O.D.) designated two times the radius (R) and a, radial deflection (d) for spline meshing at minor axis localities with diametrically opposed spline teeth of at least one rigid circular spline, the method comprising:, a. providing a circular wave generator ring with a radially inner wall diameter (I.D.) equal to twice R plus three times d, and a ring thickness 1.3 to 1.4 times the inner wall I.D.;, b. opening the ring by forming only one gap at least eight times d in circumferential dimension; c. radially reducing the ring portion …
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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
- Granted May 7, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 2008.
- 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.