Spring devices – Vehicle – Comprising compressible fluid
Patent
1997-11-26
1999-07-06
Butler, Douglas C.
Spring devices
Vehicle
Comprising compressible fluid
267 6421, 267122, 280DIG1, F16F 904
Patent
active
059188634
ABSTRACT:
A vehicle suspension with an airspring of the type with a flexible sleeve forming a chamber portion and a rolling lobe portion. The chamber portion is attached to a tilted closure and the rolling lobe portion of the airsleeve is attached to a piston that is transversely moved which introduces a shear force into the airsleeve and increases a surface area on an upward tilted side of the sleeve so as to provide side load compensation and where the axial length of the rolling lobe is substantially equalized to enhanced flexural life. A method of imparting a side load force with an airspring fastened between a fixed member and reciprocating member of a vehicle suspension, is provided by tilting a closure member of the airspring, transversely moving a piston connected to a rolling lobe portion of the airspring while distorting a chamber portion of the airspring, and eccentrically offsetting the piston in a manner that tends to equalize an axial length of a rolling lobe.
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Crabtree Michael L.
Stieg Richard F.
Austin S. G.
Butler Douglas C.
Castleman C. H.
Oberg H. W.
The Gates Corporation
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