| 摘要 |
The present invention is provided to perform maintenance without receiving the restriction of time, forgetting a returning work to a common usage state, and discharging all electricity stored in an electric storage body. A latching relay contact point (31) is installed in an electricity supply path supplying the electricity from the electric storage body (30) to a motor (25). The latching relay contact point (31) is opened when a set coil (32) of a latching relay is pressed and is closed when a reset coil (33) of the latching relay is pressed. In maintenance, the motor (25) is operated by the electricity transmitted from the electric storage body (30) by turning off a power switch (22), and the electricity transmitted from the electric storage body (30) is supplied to the set coil (32) by turning on a contact point automatic returning switch (35). And the latching relay contact point (31) is opened. The latching relay contact point (31) is automatically converted from an opened state into a closed state by the reset coil (33) and is returned to the common usage state. [Reference numerals] (100) Electric actuator;(23) Constant voltage circuit;(25) Motor;(32) Set coil;(33) Reset coil;(34) Battery pack |
