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:
May. 12, 2009
Filed:
Sep. 09, 2003
Kazuo Fujishima, Ibaraki-ken, JP;
Hideto Ishibashi, Ibaraki-ken, JP;
Kazuo Fujishima, Ibaraki-ken, JP;
Hideto Ishibashi, Ibaraki-ken, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
The invention is intended to provide an excavation teaching device for a construction machine which can realize easy confirmation of a proper target excavation surface and increase the working efficiency during excavation even in work of forming the face of slope in complicated three-dimensional landforms. A display unit () displays, as an image in a first screen area (), a plurality of small plane surfaces G constituting a three-dimensional target landform and illustrations of a body S of the construction machine and a bucket B as an excavating tool at a fore end of an operating mechanism.