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:
Feb. 25, 2003
Filed:
Nov. 18, 1999
Toru Kurenuma, Tsuchiura, JP;
Akira Hashimoto, Tsuchiura, JP;
Kazuhiro Sugawara, Ibaraki, JP;
Yoshiyuki Nagano, Ibaraki, JP;
Hideto Ishibashi, Ibaraki, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
An automatically operated shovel, which includes a power shovel and an automatic operation controller for making the power shovel reproduce a series of taught operations ranging from digging to dumping, is characterized in that the automatic operation controller is provided with a positioning determination means for determining whether or not the power shovel has reached within a taught position range predetermined based on corresponding one of positioning accuracies set for individual taught positions of said power shovel, and, when the power shovel is determined to have reached within the predetermined taught position range, the automatic operation controller outputs a next taught position as a target position.