Device for balancing and holding in a safety position the lid of a vertical plan filing cabinet
CA 1293527 C · Owner: Bruneau, Alain · Inventors: Bruneau, Alain
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Device for balancing a lid of a suspended plan filing cabinet, comprising a stay fixed at one end on a pivot pin fastened to the lid , the other end being free, said stay being pulled towards the top of the cabinet by a spring compensating the weight of the lid. The star is guided by a roller free to turn on a pin fastened to the frame . This stay has a notch which is entered by the roller in order to hold the lid open, and a notch holding the lid closed. Means of adjusting the tension of the spring make it possible to fix a safety position before the complete closure of the lid.
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 December 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 24, 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.