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Title:
JIB TYPE EXCAVATOR WITH DRILLING GUIDE SHELL
Document Type and Number:
Japanese Patent JPS52139602
Kind Code:
A
Abstract:
The combined drill (7) carriage (6) and control box is for mounting on the orientable jib (4) of a mechanical excavator (1). The carriage includes a hydraulic motor to drive the drill. The provision of the control box on the carriage rather than the operator's cabin (2) reduces the complexity of hydraulic fluid feed pipes. The hydraulic circuit includes a single main pipe from a cabin (2) console (24) to the carriage control box, and subsidiary pipes from the carriage control box to the carriage-mounted motor. The control console (24) in the cabin (2) incorporates coordinating electric control gear.

Inventors:
FURIIDORITSUHI KAARU ARUNTO
HERUMAARU NEEFUE
Application Number:
JP5523677A
Publication Date:
November 21, 1977
Filing Date:
May 13, 1977
Export Citation:
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Assignee:
KRUPP GMBH
International Classes:
E02F3/30; E02F3/36; E02F3/96; E02F5/20; E21B7/02; E21B15/00; E21B19/08; E02F3/42; E02F9/22; (IPC1-7): B25D17/28; E21C11/00



 
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