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Expired Canadian patentCanada

Mechanical type disc brake

CA 1052298 A · Owner: Tokico Ltd. · Inventors: Haraikawa, Tetsuo

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

Abstract of Disclosure: A mechanical type disc brake comprising a calliper slidably supported in the axial direction of a disc and straddling a peripheral portion of the disc a stationary, pad secured to the calliper for engaging with one surface of the disc, a movable pad disposed opposite to the stationary pad and being slidably mounted only in the axial direction, a nut member mounted in the calliper and adapted to be rotated by means of a brake arm, an adjusting bolt threadingly extending through the nut member with one, end thereof abutting the movable pad for urging it against the disc, a mechanism for converting the rotation of the nut member into the axial movement thereof and a …

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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 April 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 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—
GrantedApril 10, 1979
Term endedApril 10, 1996
Patent numberCA 1052298 A
Classification (IPC)F16D55/22 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedApril 10, 1979Term endedApril 10, 1996

Sources & verification

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