Drive unit, without engine frame, for a lift
CA 2487580 C · Owner: Inventio Ag · Inventors: Cholinski, Andrzej; Kuettel, Heinrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This drive unit (1) consists substantially of at least one motor (2A) a motor stand (3), a bearing block (4) a drive pulley (5) and a counter-roller attachment (6). The drive pulley (5) is mounted at the motor stand (3) and at the bearing block (4) by means of a shaft (15). A respective brake (7) is arranged at the bearing block (4) at each side. Webs (8 9) connect the motor stand (3) with the bearing block (4). Motor stand (3) bearing block (4) and the webs (8, 9) form a stable structure without an engine frame carrying motor stand (3) and bearing block (4) being necessary. The counter-roller attachment (6) consisting of side plates (12) and counter-roller (13) is arranged directly at the …
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 12, 2004 and granted April 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 12, 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.