Fitting for machines
CA 1078635 A · Owner: Casemasters (Herts And Essex) Limited · Inventors: Farrell, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A boss for mounting on a shaft comprising a discontinuous ring member, with a link bridging the discontinuity a pivotable lever, and, an eccentric drive connection between the lever and the link whereby, pivoting of the lever produces relative movement between the link and at least one side of the discontinuity to alter the size thereof to facilitate clamping and unclamping of the boss on the shaft. A second eccentric drive connection is provided between the said other end of the link and the ring member. The second eccentric drive connection is also adjustable to allow for presetting the tension in the link. An overcentre mechanism retains the lever in its locking position. -1-
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 June 3, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 3, 1997.
- 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.