TUNNEL EXCAVATOR

PROBLEM TO BE SOLVED: To promote workability of replacement work for a cutter bit in a tunnel excavator. SOLUTION: A guide rail 25 is fixed to a cutter spoke 23a of a cutter head, a movable block 26 mounting a cutter bit 24a on the guide rail 25 is borne in a movable manner, and in a tunnel excavato...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SUGIYAMA MASAHIKO, MUKOYA TSUNEMATSU
Format: Patent
Sprache:eng
Schlagworte:
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