In order to enable a long-term operation of a mobile unit, a crane 10 includes a crane body 20 and a mobile unit 40 moving around the crane body 20. The crane body 20 includes power supply means 60, 62, and 64, and includes a power supply path member 51 connected to the mobile unit 40 and supplying power to the mobile unit 40 from the power supply means 60, 62, and 64. In this manner, the power is supplied to the mobile unit 40 from the crane body 20 side without a power supply mounted thereon, and the mobile unit 40 is operated for a long period of time.
CRANE, CRANE BODY, AND MOBILE UNIT
KRAN, KRANKÖRPER UND MOBILE EINHEIT
GRUE, CORPS DE GRUE ET UNITÉ MOBILE
2022-07-20
Patent
Electronic Resource
English