Equipment for suspension of a cage or counterweight in a lift installation and methods for mounting and for maintenance of suspension means
CA 2512037 C · Owner: Inventio Ag · Inventors: Liebetrau, Christoph; Stocker, Ruedi; Schmid, Miriam
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to equipment for suspension of a cage or a counterweight in a lift installation and to methods for mounting and for maintenance of suspension means wherein the cage 2 or the counterweight 3 hangs at a support belt 6 and the suspension belt 6 is connected with the cage 2 or the counterweight 3 by means of a deflecting roller unit 10 and the support roller unit 10 offers space for a single support belt 6. The deflecting roller unit 10 is in that case used for compensation for different elongation of several support belts 6 and it enables simple mounting of the support belt 6.
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 July 14, 2005 and granted January 8, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 14, 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.