Hendrickson Usa, L L.c.

Henrickson Usa, L.l.c.

Michael P Robinson

Shawn D Noble

Ashley Thomas Dudding

Hormoz Kerendian

Christopher Wayne Forrest

Ryan M Ettenhofer

Christopher W Forrest

Ashley T Dudding

Matthew J Van Meter

Michael Brannigan

John Wayne Stuart

Sean T Lindsay

Richard J Aumann

Gary E Gerstenslager

Shane A Tipton

W Stuart John

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

Frame-hanger-to-frame-hanger tie-plate

Suspension assembly

Spring housing for a suspension

Saddle for a suspension

Suspension tie-plate

Progressive rate spring for a suspension

Spring housing

Spring mount

Spring mount for a suspension

Growing community of inventors

Chicago, IL, United States of America

Michael P Robinson