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:
Jan. 16, 2001
Filed:
Apr. 06, 1999
Jon W. Martin, Loudon, TN (US);
TRW Inc., Lyndhurst, OH (US);
Abstract
An improved seal assembly (,) is used in a power steering system (,) having an axially reciprocatable shaft (,). The seal assembly (,) has an inner side (,) which is exposed to hydraulic fluid. The seal assembly (,) includes a flexible lip (,) having a circular line (,) of minimum diameter. An annular coil spring (,) is disposed in engagement with a side of the flexible lip opposite from the line (,) of minimum diameter. The coil spring (,) has a circular central axis (,) which is axially offset from a plane containing the line (,) of minimum diameter of the flexible lip (,). The circular central axis (,) of the coil spring (,) is offset from the line (,) of minimum diameter of the flexible lip (,) in a direction toward the inner side (,) of the seal assembly (,) prior to installation of the seal assembly in the power steering system (,).