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Expired Canadian patentCanada

Axle lift mechanism

CA 1265550 C · Owner: Hagan, Lyle M. · Inventors: Pierce, William C.; Hagan, Lyle M.

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

Axle Lift Mechanism, Abstract, An axle lift mechanism (100) is used on a vehicle having a normally lowered axle/wheel assembly to automatically lift and maintain the assembly in a raised position when the vehicle is not heavily loaded. A trailing arm (62) connected to the vehicle axle (12) is pivotably coupled at one end to the vehicle frame (68) and mounts an air spring (26) at its opposing end to transmit load to the axle (12) when the air spring (26) is inflated. The lift mechanism (100) includes a flexible strap (102) secured at one end to the trailing arm (62) and wound around a pivotable cam (108). The opposing end of the strap (102) is coupled to a rod (128) adjustably engaged with 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 February 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 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.
FiledJanuary 24, 1986
GrantedFebruary 6, 1990
Term endedFebruary 6, 2007
Patent numberCA 1265550 C
Classification (IPC)B62D61/12

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedJan 24, 1986Patent grantedFeb 6, 1990Term endedFeb 6, 2007

Sources & verification

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