Drive for a lift installation
CA 2510206 C · Owner: Fischer, Daniel · Inventors: Fischer, Daniel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a drive for a lift installation which drives a cage and a counterweight by way of supporting and driving means (6) wherein the drive (1) comprises a drive shaft (7) and a drive pulley (2) and a motor (4) is arranged at the left or the right of the drive pulley (2) wherein the motor (4) is equipped with a signal transmitter (17) wherein an inner ring (14) of a bearing (13) receives at the same time the rotating part (16) of the signal transmitter (17) and the drive shaft (7).
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 June 17, 2005 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 17, 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.