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:
May. 21, 2002
Filed:
Feb. 26, 2001
Tamotsu Nakamura, Saitama, JP;
Shinsuke Sekikawa, Saitama, JP;
Showa Corporation, , JP;
Abstract
In a tilt device for a marine propulsion unit, a cylinder is constituted by a double pipe having an outer cylinder and an inner cylinder, a rod guide sealing the outer cylinder and the inner cylinder is provided at an end portion of the cylinder, a free piston is arranged in a space between the outer cylinder and the inner cylinder, a liquid discharging chamber is formed in a rod guide side from the free piston of the space, and an absorber valve which can be opened at a time when a pressure of a fluid in the rod side chamber is increased to a level equal to or more than a predetermined value and can feed the fluid in the rod side chamber to the liquid discharging chamber and a return valve which can feed the fluid in the liquid discharging chamber to the rod side chamber are provided in the rod guide.