Stool and auxiliary pedal for a keyboard instrument
CA 1232782 A · Owner: Cheung, Ngai H. · Inventors: Weisser, Karl W.; Cheung, Ngai H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stool, for use with a keyboard instrument including at least one foot pedal, has a platform and an auxiliary pedal pivotally mounted to the platform. An actuating mechanism is connected to the foot pedal and is adapted to, contact and actuate the main foot pedal of a keyboard in-, strument. A number of support legs extend down from the platform. A roller and roller guide assembly is provided to, enable the action of the auxiliary pedal to be transferred smoothly to the main piano pedal. One of the roller and the roller guide are connected to the actuating mechanism whilst the other of the roller and the roller guide is mounted on the main pedal. To enable the height of the legs to be …
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 February 16, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 16, 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.