F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
280/174, 267/33
F16F 1/26 (2006.01) B60G 5/03 (2006.01) B60G 11/113 (2006.01)
Patent
CA 1151682
TANDEM SPRING SUSPENSION WITH LEAF ROTATION STOP ABSTRACT OF THE DISCLOSURE A leaf spring suspension assembly for a truck or trailer includes a plurality of leaf springs arranged in a vertical relationship. The leaf springs are mounted to a vehicle through a trunnion assembly which permits for flexure of the ends of the springs to which wheels are attached. The ends of the leaf springs are mounted in an axle connection comprising a housing. The lower leaf of the leaf spring assembly is seated against a base plate of the axle connection and is re- strained against movement relative thereto by pairs of pins or bosses disposed between the spring and the base plate. Bosses or pins are also disposed between adjacent springs of the leaf spring assembly to restrain longitudinal movement therebetween. In this way, pivoting of the ends of the leaf springs relative to the axle is minimized which reduces the stressing on the springs as well as the axle connection during turning or braking of the vehicle. Additionally, the double pin or boss arrangement provides a means for retaining the leaf springs within the housing. In an alternate embodi- ment, the center portions of the leaf springs are provided with pairs of bosses which prevent fanning or spreading of the leaves.
360414
Borden Ladner Gervais Llp
Lear Siegler Inc.
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