Resilient roller
CA 1050260 A · Owner: Xerox Corporation · Inventors: Wales, John; Cook, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A roller which is sufficiently resilient across its functional surface to maintain substantial contact at a substantially uniform nip width along its line of axial tangency with a cooperating surface comprises a rigid central member, a flexible sleeve and an elastic substance positioned between the flexible sleeve and the rigid member in which the elastic substance is axially compressed. The roller is particularly adapted for use in electrostatographic development apparatus.
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
- Granted March 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 13, 1996.
- 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.