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:
Jul. 23, 1985
Filed:
Apr. 29, 1983
Applicant:
Inventors:
Masahiro Hirano, Shizuoka, JP;
Sumio Nakayama, Shizuoka, JP;
Assignee:
Kabushiki Kaisha Showa Seisakusho, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16F / ; F16F / ;
U.S. Cl.
CPC ...
267 34 ; 188285 ; 267 / ;
Abstract
A spring load adjusting device for cushioning equipment including a pressure chamber which hydraulically controls a spring load of a coil spring. A hydraulic cylinder is hydraulically connected to the pressure chamber, a piston is slidably fitted in the cylinder, an adjust screw is provided for sliding the piston, and a protection member is provided for protecting a threaded portion of the adjust screw. The threaded portion of the adjust screw is protected from exposure to the outside and is thus protected from dust and the like, while the appearance is improved.