Method and apparatus for controlling attitude of shield excavator

United States of America Patent

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May 21, 1991
Grant Date
N/A
app pub date
Jul 26, 1990
filing date
Mar 24, 1989

priority date (Note)
Expired

status (Latency Note)

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Abstract

Directional control of a shield excavator is automatically carried out merely by inputting a direction of rotational moment to which the excavator is directed and a magnitude of the moment.

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Patent Owner(s)

Patent Owner	Address
ISHIKAWAJIMA-HARIMA JUKOGYO KABUSHIKI KAISHA	KOTO-KU TOKYO 135-8710
TOKYO KEIKI CO LTD	14-46 MINAMIKAMATA 2-CHOME OTA-KU TOKYO
SATO KOGYO CO LTD	TOYAMA-CITY TOYAMA 930

International Classification(s)

E02D:FOUNDATIONS; EXCAVATIONS; EMBANKMENTS

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kiritani, Yoshiharu	Urawa, JP	2	8
Onishi, Yutaka	Yokohama, JP	28	151
Tagata, Shigeyoshi	Ogaki, JP	1	2
Umeno, Koichi	Tokyo, JP	3	49

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Method and apparatus for controlling attitude of shield excavator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07557736

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PATENT NO	5017045
SERIAL NO	07557736
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07557736

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