Excavator for forming underground continuous wall

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5257471
SERIAL NO

07899894

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Abstract

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An excavator for forming an underground continuous wall includes a traveling trolley movable on a ground and an upper frame constructed on the trolley. The excavator further includes a guide post vertically extending and vertically movably provided at one side of the upper frame on the trolley and variable in length by supplementary extension guide post members detachably connectable thereto through flanges. Chain sprockets rotatably provided on the guide post at its upper and lower ends and at one end rearward of the chain sprocket at the upper end of the guide post, respectively. An endless chain extends around the chain sprockets to be driven by rotation of at least one of the chain sprockets. A number of excavator buckets are provided on the endless chain therealong spaced at suitable intervals to form an endless chain bucket type cutter.

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Patent Owner(s)

Patent OwnerAddress
AKCHEMICAL CO LTDSHUWA NO 2 IWAMOTO-CHO BLD 5-13 IWAMOTO-CHO 1-CHOME CHIYODA-KU TOKYO 101-0032

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kitanaka, Katsumi Tokyo, JP 8 53

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