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:
Nov. 10, 2015
Filed:
Apr. 25, 2012
Tsuyoshi Ueki, Omitama, JP;
Yukihiro Tatsuno, Tsukuba, JP;
Hidefumi Hiramatsu, Hitachinaka, JP;
HITACHI CONSTRUCTION MACHINERY CO., LTD., Tokyo, JP;
Abstract
A working mechanism () takes a traveling stance by a way that left and right boom cylinders () are expanded to rotate a tip end of a first boom () to the rear side and a positioning cylinder () is compressed to rotate a tip end of a second boom () to the lower side. In the traveling stance of the working mechanism (), a front surface plate (A) of a right front housing cover () is inclined along a tilting angle (α) of the left and right boom cylinders (), and the front surface plate (A) of the right front housing cover () is arranged in a position of lining with front ends (AA) of tubes (A,A) in the left-right direction forming the respective boom cylinders ().