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:
Oct. 30, 2001
Filed:
Mar. 13, 2000
Jyoji Tsutsumida, Komaki, JP;
Tokai Rubber Industries, Ltd., Komaki, JP;
Abstract
A liquid sealed cylinder vibration preventing apparatus including a main shaft metal fitting, an intermediate cylinder metal fitting outside the main shaft substantially coaxial and having windows facing each other in a diameter direction, a rubber elastic body between the main shaft and intermediate cylinder metal fittings to connect the main shaft and intermediate cylinder metal fittings and having a recess opened to each window, a first diaphragm on one of the windows and disposed in one of the recesses, an orifice forming member on the rubber elastic body, the orifice forming member forming a main liquid chamber, a sub liquid chamber, a first orifice passage and a second orifice passage, an outer cylindrical metal fitting outside the intermediate cylinder metal fitting substantially coaxial and having a communicate window communicated with atmosphere, and a second diaphragm held by the outer cylinder metal fitting and facing the second orifice passage.