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.:

US 7904224 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 08, 2011

Filed:

Jan. 12, 2006
Applicants:

Noboru Kanayama, Hiratsuka, JP;

Koutarou Sasano, Hiratsuka, JP;

Koichi Kawamura, Hirakata, JP;

Inventors:

Noboru Kanayama, Hiratsuka, JP;

Koutarou Sasano, Hiratsuka, JP;

Koichi Kawamura, Hirakata, JP;

Assignee:

Komatsu Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/70 (2006.01); A01B 17/00 (2006.01); A01B 13/06 (2006.01); G08B 21/00 (2006.01); G05B 19/02 (2006.01); A01D 34/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A control-mode switching device includes: a plurality of actuators () that conduct different movement; driving means () that drive the actuators; a plurality of control levers (-) that command operation of the driving means; a plurality of limit switches (-) that detect arrival of the control levers to the proximity of an end of a control range; a mode judging means (controller) that judges whether a priority operation mode is taken or not in accordance with a combination of on/off conditions of the limit switches; and a drive controlling means (controller) that, when it is judged by the mode judging means that the priority operation mode is taken, controls the driving means so that an output of selected one or more of the driving means becomes larger than that in a normal mode or the power ratio as compared with the other driving means becomes larger.


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