Pulley arrangement for elevators
CA 2529342 C · Owner: Inventio Ag · Inventors: Kolb, Emmanuel; Sittler, Denis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides an elevator cage 1 comprising a car 2 a support member 6 connected to the car 2 and a pulley box 8 housing a pair of pulleys 9 mounted to the pulley box 8 by pulley axles 10 wherein the pulley box 8 is mounted to the support member 6 through one or more points located below a first line P bisecting the pulley axles 10 and above a second line Q defining a lowest common tangent between the pulleys 9.
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 December 8, 2005 and granted June 12, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 8, 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.