Chair adjustment mechanism
CA 2516965 C · Owner: Leggett & Platt Canada Co. · Inventors: Helmond, Gerard; Watkins, David; Beggs, Kenneth A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A chair adjustment mechanism has a pin retaining member (as for example, a sleeve) with a slot having two laterally spaced pin receptors. Each receptor is partially defined by a peripheral wall of the slot and is further defined by a spring finger that projects along side of the peripheral wall. With this arrangement a pin may be received through the slot and into a longitudinal slot of a second member (as for example, a J- bar), which longitudinal slot defines a rack. The pin receptors may be positioned such that with the pin in a first of the pin receptors it is engaged by the rack. In consequence the pin retaining member may be moved upwardly with respect to the second member by notching …
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
- Filed August 24, 2005 and granted April 22, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 24, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.