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.:

US 6390867 B1

PDF
Full Text
Expired
Date of Patent:
May. 21, 2002

Filed:

Feb. 26, 2001
Applicant:
Inventors:

Tamotsu Nakamura, Saitama, JP;

Shinsuke Sekikawa, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H 5/125 ;
U.S. Cl.
CPC ...
B63H 5/125 ;
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 piston rod and a piston are received in the inner cylinder, a pressure accumulating chamber is formed between the outer cylinder and the inner cylinder, and a free piston (gas-liquid separating means) is arranged between the pressure accumulating chamber and the piston side chamber.


Find Patent Forward Citations

Loading…