Staggered combination gears
CA 1282979 C · Owner: Zexel-Gleason Usa, Inc. · Inventors: Stritzel, Gene A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method of dispersing unit pressure loads on a worm gear meshing with a plurality of worm wheels. Worm wheels, normally arranged about the periphery of the worm gear in a single plane, are mounted in staggered relationship along the axis of the worm gear to establish dispersed contact paths on the worm gear.
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 April 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 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.