Synchrotilt chair
CA 1315662 C · Owner: Shields, Michael R. · Inventors: Shields, Michael R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A chair includes a support base, a back and a seat. A tilt mechanism connects the back to the base permitting the back to move from an upright position to a reclined position. A forward portion of the seat is connected to the base through a double pivot. A rearward portion of the seat is connected to the back through a single pivot. As the back tilts to its reclined position the rearward portion of the seat moves rearwardly and downwardly and the forward portion of the seat moves rearwardly and downwardly lowering overall seat height and eliminating leg lift.
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 April 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 2010.
- 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.