Document Type and Number:
Japanese Patent JPH0579473
Kind Code:
B2
Abstract:
An antiexplosion structure in an electric motor drive type working robot includes a sealing structure for sealingly enclosing electric motors for driving the robot and wirings for the motors. Dry air is continuously fed into the sealing structure at a pressure higher than the environmental atmosphere. A pressure detector detects the pressure of the dry air within the sealing structure to permit electric current feed to the electric motors only when the detected pressure has a normal value.
Inventors:
NISHIZAWA SHUNICHI
TSUBOTA TOSHIO
CHIKURA TAKASHI
TSUBOTA TOSHIO
CHIKURA TAKASHI
Application Number:
JP6373185A
Publication Date:
November 02, 1993
Filing Date:
March 29, 1985
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
B25J9/06; B25J9/10; B25J19/00; B25J19/06; (IPC1-7): B25J9/06; B25J19/00
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