Ribbon drive means
CA 1053639 A · Owner: Xerox Corporation · Inventors: Kern, Jack L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ribbon drive means comprising a drive roller cooperating with a floating-type idler ring or roller moving about a support post to provide a nip therebetween through which the ribbon is moved upon rotation of the drive roller. She ribbon passes around the floating-type idler ring, through the nip and around the drive roller. The force on and the tension in the ribbon pulls the floating idler ring into a wedging position between the support post and the cooperating portion of the drive roller with the, ribbon pinched therebetween.
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 May 1, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 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.