Positive keeper means for pins of earthworking tips
CA 1283939 C · Owner: Diekevers, Mark Steven · Inventors: Fidler, Jerry Dale; Diekevers, Mark Steven; Jensen, Brian D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Positive Keeper Means For Pins of Earthworking Tips The invention relates to a pin retainer assembly having a keeper means for retaining earthworking tips on adapters. Positive retention of earthworking tips on their adapters by their retaining pins during its work cycle is extremely important from an operational as well as a cost standpoint. The loss of the tips materially affect productions in addition to the time consuming expense of replacement of repair of the components. Not only must the tips be adequately retained, they must be capable of quick removal for replacement purposes. Keeper means for the pin is captured in a recess between a nose of the adapter and a sidewall of the tips …
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 7, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 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.