The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 1987
Filed:
Apr. 01, 1986
Manfred Schindler, Markt Schwaben, DE;
Walter Vilsmeier, Grosshelfendorf, DE;
FICHT GmbH, Kirchseeon, DE;
Abstract
The invention relates to a hydropneumatic suspension system for a tracked-vehicle chassis component, having a circular-arc suspension member fitted within a housing. This circular-arc suspension member is located between a support fixed on the housing and a rotating abutment. The housing is hinged on pivot points by means of a suspension arm fixed on the housing and the abutment by means of a hinging lever. Very little space is provided for the suspension of chassis components in such vehicles. Moreover, the suspension system must also be maintenance-free and easy to assemble. According to the invention, this is accomplished either by causing the suspension arm and the hinging lever to form, together with the pivot points fixed on the vehicle and a parallel control arm connecting the hinging lever with a pivot point, a parallelogram, or by hinging the suspension arm on a lower pivot point fixed on the vehicle, and by providing a pneumatic control arm connecting a higher pivot point fixed on the vehicle with the hinging lever, and by locating in the expanded position the hinge joint between the pneumatic control arm and the hinging lever on the side, turned toward the suspension arm, or an imaginary connecting line between the pivot point and the housing axle.