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. 16, 1986
Filed:
Jul. 11, 1984
Applicant:
Inventors:
Shigeru Kimura, Kamakura, JP;
Akira Mizusawa, Utsunomiya, JP;
Assignee:
Nifco, Inc., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
267 / ; 16 66 ; 16 84 ; 92 26 ; 92170 ; 92248 ; 137846 ; 188 67 ; 188282 ; 188300 ; 18832215 ; 18832222 ; 267 6412 ; 267120 ; 267127 ;
Abstract
The piston cylinder type damper comprises a cylinder connected to either member of the pair of a main body and an openable object, and a piston connected to the other member of the pair and adapted to fit into the cylinder and the piston incorporates therein a check valve adapted to allow the air in the cylinder to escape from the cylinder interior while the piston is driven into the cylinder by the movement of the openable object.