Wear-parts system
CA 1237741 A · Owner: Ab Bofors Wear Parts · Inventors: Larsson, Torsten; Johansson, Arne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a wear-parts system for earth-moving machines such as digger, loading, and mining machines. This wear-parts system consists of a holder and at least one protruding wear-part in the form of a tooth or the like fixed on the front of the holder by means of a wedge or other locking device. According to the invention the wear-part lands directly against the holder within a forward and a rear landing area in which a landing free from play within the forward landing area is achieved by means of a wedging effect between the wear-part and the holder when the wear-part is pressed or drawn backwards into the holder while a landing free, from play is achieved between both …
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 7, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 7, 2005.
- 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.