Joint device
CA 1293619 C · Owner: Inoue, Yoichi · Inventors: Inoue, Yoichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A joint device wherein a spherical shaft is pressed into and coupled with a spherical bearing member made of resin through an opening formed in a portion of a spherical bearing portion, a generally cylindrical skirt portion is formed at the opening of the spherical bearing member such that the minimum inside diameter thereof is smaller than the inside diameter of the opening, and a flex starting portion is formed at a position close to the skirt portion of the spherical bearing portion. The inner peripheral surface of the skirt portion is tapered off in a direction of becoming far off the spherical bearing portion. An inwardly raised portion is provided at a portion of the inner peripheral …
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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 December 31, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 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.