Document Type and Number:
Japanese Patent JPS4961820
Kind Code:
A
Abstract:
Large vehicles such as off-highway dump trucks provide extraordinary suspension problems due to the immense weight of the vehicles. A suspension assembly particularly useful for such vehicles includes a dual wheel set supported by an axle housing therebetween. Trunnions extend forwardly and rearwardly from the ends of the housing. The forwardly extending trunnion is received within a spherical, laminated, elastomeric, bearing element which is affixed to the vehicle frame. The rearwardly extending trunnion is similarly received within a spherical, laminated, elastomeric bearing element which is affixed to the piston member of a rigidly mounted, shock absorbing suspension strut. The bearing members permit axial, radial and vertical movement of the trunnions relative to the frame of the vehicle. An arm extends vertically from the housing and is received within a recess in the frame to restrict radial movement of the suspension assembly beyond desired limits by engagement of the arm against spaced, parallel walls which partially define the recess. Axial, lateral and vertical forces are transmitted to the frame through the forwardly positioned bearing member and the shock absorbing suspension strut.
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Application Number:
JP4986473A
Publication Date:
June 15, 1974
Filing Date:
May 07, 1973
Export Citation:
International Classes:
B60B11/00; B60G7/00; B60G9/02; B60G17/015; B60G21/00; (IPC1-7): B60P3/00