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. 21, 2009
Filed:
Sep. 11, 2006
Ryoichi Nishi, Kawachinagano, JP;
Naoki Onishi, Kawachinagano, JP;
Arinobu Ishida, Sakai, JP;
Shusaku Yamaguchi, Sennan, JP;
Kosuke Oyama, Sakai, JP;
Ryoichi Nishi, Kawachinagano, JP;
Naoki Onishi, Kawachinagano, JP;
Arinobu Ishida, Sakai, JP;
Shusaku Yamaguchi, Sennan, JP;
Kosuke Oyama, Sakai, JP;
Kubota Corporation, Osaka, JP;
Abstract
There is provided a boom assembly bent at the center in a longitudinal direction so as to form a round shape protruding upward when seen from the side, comprising; a front boom sub assembly (), the front boom sub assembly constituting the front of the center in the longitudinal direction of said boom assembly; and a rear boom sub assembly (), the rear boom sub assembly constituting the rear of the center in the longitudinal direction of the boom assembly, wherein the front boom sub assembly () and the rear boom sub assembly () are symmetric when seen from the side, and portions from the midway positions in the longitudinal direction of the front boom sub assembly () and the rear boom sub assembly () to the center in the longitudinal direction of the boom assembly () have upper surfaces of arc shape protruding upward when seen from the side, and portions from the middles in the longitudinal direction of the front boom sub assembly () and the rear boom sub assembly () to ends in the longitudinal direction of the boom assembly () have upper surfaces of linear shape when seen from the side.