Elevator suspension arrangement
CA 2546975 C · Owner: Aulanko, Esko · Inventors: Aulanko, Esko; Mustalahti, Jorma
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 suspension arrangement for an elevator, which elevator preferably is an elevator without machine room and in which elevator the hoisting machine is connected via a traction sheave to hoisting ropes by means of, which the elevator car is moved and which hoisting machine, comprises at least a stator frame secured to a mounting place in the elevator shaft and a traction sheave and a rotor frame forming a fixed assembly, which assembly is mounted with bearings so as to be rotatable with respect to the stator frame, and which hoisting machine is secured to a stiffener bracing the stator frame. The stiffener comprises a support for mounting a bearing, said support being …
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 November 22, 2004 and granted March 20, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 22, 2024.
- 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.