B - Operations – Transporting – 60 – G
Patent
B - Operations, Transporting
60
G
280/163
B60G 11/56 (2006.01) B60G 11/10 (2006.01) B60G 11/16 (2006.01) B60G 11/26 (2006.01) B62D 61/12 (2006.01)
Patent
CA 1257627
AXLE LIFT MECHANISM WITH SPRING CUP WEAR PLATE ABSTRACT OF THE DISCLOSURE An axle lift mechanism for use in a vehicle having a suspension system which is mounted to the vehicle for movement between a load-bearing and nonload- bearing relationship. The lift mechanism has a toggle linkage pivotably coupled to the frame and to the suspension system for movement of the axle between load- bearing and nonload-bearing positions. The toggle linkage is biased to the nonload-bearing position through a compression coil spring which is mounted in a housing and is received within a spring cup within the housing. A wear plate, preferably made of a lubricating plastic material, is mounted on the spring cup between the wear plate and the housing to avoid wear between the housing wall and spring cup. The coil spring is tapered between one end which bears against an end of the housing and the spring cup end so that the coil spring does not rub against the housing wall during oscillation of the spring. The toggle mechanism can include a conventional rigid rod or a flexible strap which is mounted coaxially within the coil spring.
518941
Hagan Lyle M.
Pierce William C.
Borden Ladner Gervais Llp
Lear Siegler Inc.
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