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:
Apr. 28, 1987
Filed:
Mar. 21, 1986
Makoto Hayashi, Toyota, JP;
Yuji Yokoya, Toyota, JP;
Abstract
A hydraulic buffer comprises a cylinder, a piston disposed slidably in the cylinder to partition the interior of the cylinder into first and second liquid chambers, a piston rod connected with the piston and having a first path communicating to the first liquid chamber and a second path communicating to the second liquid chamber and a control rod disposed in the piston rod. A regulating valve operated by the control rod is disposed in the first path and has a third path capable of affording communication between the first and the second paths. The buffer further comprises a case fixed on an outer peripheral surface of the piston rod in the second liquid chamber and having a fourth path affording communication between the second path and the second liquid chamber and a check valve provided in association to the fourth path.