Autolubricating bearing
CA 1248572 A · Owner: Sarcem S.A. · Inventors: Bonello, Philippe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It presents a body in brass provided with a central through passage presenting two cylindrical surfaces of different diameters. A disc in hard stone is driven in the first cylindrical surface. A perced steel ring is driven in the second cylindrical surface. One of the annular faces of this ring is in contact with one of the faces of the disc in hard stone. A cylindrical part in synthetical resin is fixed in the steel ring this part presenting an internal cylindrical surface having the shape of a diabolo the medium part of which receives a pivot. The internal frontal face of the part in synthetical resin is in contact with the face of the disc in hard stone which itself is in contact with …
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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 January 10, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 2006.
- 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.