Locking device for a rotatable machine element, such as a bolt or a nut
CA 1231564 A · Owner: Ab Agora · Inventors: Olsson, Rolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a device for locking rotatable machine elements on a structure said device being a, substantially rectangular washer consisting of two interconnected locking elements each of which has an opening for receiving a machine element and defined by a toothed portion for engaging the respective machine elements the four corners of, the washer being bent to form projections serving as spacing means for determining the distance of the washer from said structure, said locking elements being connected to each other by means of a connecting portion which in the unstressed state retains the locking elements in such a position that they make an angle with each other, and …
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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 January 19, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 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.