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:
Jul. 04, 2006
Filed:
Oct. 10, 2003
Akio Hoshi, Ibaraki, JP;
Kazuhisa Tamura, Ibaraki, JP;
Nozomu Tanaka, Ibaraki, JP;
Shuuji Tabata, Ibaraki, JP;
Koji Kawasaki, Ibaraki, JP;
Yukio Yanagisawa, Ibaraki, JP;
Akio Hoshi, Ibaraki, JP;
Kazuhisa Tamura, Ibaraki, JP;
Nozomu Tanaka, Ibaraki, JP;
Shuuji Tabata, Ibaraki, JP;
Koji Kawasaki, Ibaraki, JP;
Yukio Yanagisawa, Ibaraki, JP;
Hitachi Construction Machinery Co., LTD, Tokyo, JP;
Abstract
A swing mechanism for a construction machine having a grease bath seal. A grease bath can be disposed on a vehicular base carrier of the machine, and can be coupled with a swing frame. The grease bath seal can then act to prevent intrusion of pollutants or other foreign materials into the grease bath. The seal may act to prevent intrusion of pollutants or other foreign materials over an extended amount of time and can be arranged in such as manner as to improve the durability and tightness of a seal member.