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Expired Canadian patentCanada

Radial bearing arrangement

CA 1061388 A · Owner: Escher Wyss Limited · Inventors: Miller, Helmut

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The disclosure concerns a radial bearing arrangement for a large diameter rotor wherein the rotor carries an annular surfache in a peripheral region spaced radially from the axis which cooperates with a series of bearing means mounted in a foundation. The bearing means provide reactions in a limited number of main supporting direction and act collectively to restrain the rotor against movement in all radial directions. Not more than two of the bearing means provide positive non-, yielding restraint in those main directions whereas the other, bearing means have radially displaceable bearing shoes and furnish yielding holding forces. The arrangement may include one type of yielding bearing …

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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 August 28, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 28, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedAugust 28, 1979
Term endedAugust 28, 1996
Patent numberCA 1061388 A
Classification (IPC)F16C32/06 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedAug 28, 1979Term endedAug 28, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.