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Expired Canadian patentCanada

Motor-speed reducer for the simultaneous driving of two structures

CA 1269692 C · Owner: Cycles Peugeot · Inventors: Fourrey, Francois; Duval, Alain; Bianchi, Francois

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

The motor-speed reducer comprises an elongated tubular case (1) in which is disposed a motor (2) provided with two coaxial output shafts extending in opposite directions (4 and 6). Mounted on the end of each output shaft is an end portion (24) of a housing (22) of a speed reducer (18, 20). The end portion of the shaft has a worm (8, 10) which is engaged with an input worm wheel (32) of the speed reducer. The two speed reducers are preferably similar. A cassette (42) including an end-oftravel device and rotation detectors is mounted in the case (1) around the output shaft (6).

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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 May 29, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 29, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 30, 1986
GrantedMay 29, 1990
Term endedMay 29, 2007
Patent numberCA 1269692 C
Classification (IPC)H02K7/10 +2 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedSep 30, 1986Patent grantedMay 29, 1990Term endedMay 29, 2007

Sources & verification

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