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. 30, 2004
Filed:
Jul. 11, 2002
Hidefumi Ishimoto, Tsuchiura, JP;
Hiroshi Ogura, Ryugasaki, JP;
Hiroshi Watanabe, Ushiku, JP;
Hiroyuki Adachi, Tsuchiura, JP;
Tsuyoshi Sakyou, Ibaraki-ken, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
An information display unit is provided inside a cab of a hydraulic excavator and has a display portion capable of displaying plural kinds of information including body information and maintenance information. A screen image has one main screen and a plurality of sub-screens. The main screen displays information regarding one of a plurality of information categories in detail and the plurality of sub-screens respectively correspond to th plurality of information categories. The information category displayed on the main screen can be selected and changed with key manipulation made on an operating portion. As a result, plural kinds of information can be displayed in a combined and selective manner, and an operator is able to confirm the information with higher efficiency.