Vehicle suspension

Details Vehicle suspension Vehicle suspension

B - Operations, Transporting

60

G

280/164

B60G 11/46 (2006.01) B60G 17/027 (2006.01) B62D 61/12 (2006.01)

Patent

CA 1109901

VEHICLE SUSPENSION ABSTRACT A retractable tag axle assembly, including a hydraulic cylinder for up-and-down reciprocation of the tandem axle, is provided with structure for protecting the cylinder against damage from shock forces imparted to the suspension spring through the ground-engaging wheels. The structure includes a crank secured to one end of the spring and coupled with the hydraulic cylinder at a point inter- mediate the ends of the spring each that the full length of the latter is available for up-and-down flexure, yet the overall length of the assembly, is not increased over that of conventional tag axle assemblies. Ball-and-socket type mountings between the ends of the cylinder, and the frame and crank respectively, permit canting of the cylin- der to avoid the adverse effects of twisting of the crank relative to the frame.

304220

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