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Expired Canadian patentCanada

Automatic locking safety belt retractor

CA 1104988 A · Owner: Takata Kojyo Co. Ltd. · Inventors: Takada, Juichiro

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

An automatic locking safety belt retractor includes a mounting frame having side walls between which a spring biased retractor reel is journalled and a racket wheel rotatable with the reel is located on the outer face of a side wall. A plastic guide plate is secured to the side wall outside face and has a circular opening engaged by the ratchet wheel, a slot tangentially extending from the opening and a housing recess projecting laterally from the upper end of the slot. Outwardly projecting reinforcing flanges are integrally formed along opposite parallel edges of the slot and along the bottom inclined edge of the junction between the slot and opening. A high strength bumper member is …

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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 July 14, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 25, 1978
GrantedJuly 14, 1981
Term endedJuly 14, 1998
Patent numberCA 1104988 A
Classification (IPC)B60R22/40

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedOct 25, 1978Patent grantedJuly 14, 1981Term endedJuly 14, 1998

Sources & verification

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