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:
Dec. 31, 2002
Filed:
Mar. 21, 2001
Tatsuya Masamura, Tokyo, JP;
Kenji Kitamura, Tokyo, JP;
Kayaba Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
In a damping force generator for a hydraulic damper, the valve is protected from pressure rise in the damper and its durability is thereby enhanced. The damping force characteristics can be vary in stepwise fashion by providing a main leaf valve and a sub-leaf valve which closes an opening A formed in the main leaf valve and the approximate mid-point of the main leaf valve is supported by a plurality of intermediate seat surfaces from the side of a port The outer circumference of a main leaf valve is supported by an outer circumferential seat surface and the outer circumference of a sub-leaf valve extends outwards to the vicinity of a part where the outer circumference of the main leaf valve and the outer circumferential seat surface overlap.