TRAVEL OR ROTATION METHOD OF HEAVY LOAD

PROBLEM TO BE SOLVED: To accurately travel or reverse in a small space, by minimizing its work labor, in travel or rotation of a heavy load. SOLUTION: In this travel or rotation method of the heavy load, a travel device 3 having a ball-like rolling member is arranged under a stand 1 for mounting the...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	UEHARA TOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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