Cable hoist
CA 1286654 C · Owner: Habegger Maschinenfabrik Ag Thun · Inventors: Rikli, Christian; Habegger, Willy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable cable hoist has a drive motor a clutch, a transmission and a cable drive pulley. The clutch is designed as a multiple disk clutch and the transmission as a planetary gear train. A drive pinion for the cable drive pulley is connected to the multiple disk clutch and is provided between the planetary gear train and the multiple disk clutch. The cable drive pulley is supported in a cantilevered manner and incorporates a ring gear meshing with the drive pinion. Overall the cable hoist is comparatively light and compact, and it is distinguished by a high tractive force and high cable speeds and an operational ability which is independent of its position. It can function as an elevating …
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
- Granted July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2008.
- 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.