Rack and pinion assemblies
CA 1082002 A · Owner: Cam Gears Limited · Inventors: Adams, Frederick J.; Lehman, Ralph M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rack and pinion assembly includes a rack bar having a longitudinal axis along which it is displaceable in a rack bar housing. A pinion is rotatably mounted in the housing and has teeth which engage with helically formed teeth in a rack of the bar so that upon rotation of the pinion the, rack bar is displaced longitudinally relative to the housing. A control mechanism communicates between the rack bar and the housing and rotates the bar about its longitudinal axis and relative to the housing in response to longitudinal displacement of the bar by the pinion.
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 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 1997.
- 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.