Hendrickson Usa, L L.c.

Richard J Aumann

Ashley Thomas Dudding

Michael P Robinson

Matthew J Van Meter

Michael Brannigan

Sean T Lindsay

Ryan M Ettenhofer

Ashley T Dudding

A lift axle suspension system incorporating a lift paddle is disclosed. The lift paddle comprising a first pad, a second pad and a rigid support arm securing the first pad and the second pad in fixed relation to one another. The first pad is attached to a lift spring, the second pad is secured to the bottom surface of the main support member/leaf spring. Actuation of the lift spring causes the axle to be lifted out of contact with the ground surface.

Lift axle suspension systems with lift paddle

A clamp group mounting of a leaf spring to a round axle including alignment features is disclosed, which includes a round axle, a leaf spring and a clamp group connecting the leaf spring to a laterally extending axle. A locator ring is welded to an upper arcuate surface of the axle and is received in a recess in a spring seat. The clamp group includes the spring seat, a top pad and a plurality of fasteners that connect the top pad, leaf spring, and spring seat to the axle. The leaf spring extends longitudinally and at least forward or rearward relative to the axle, and includes a bore that receives a locator element that extends at least upward or downward from the leaf spring.

Clamp group and round axle with alignment features

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Schaumburg, IL, United States of America

Richard J Aumann