| 摘要 |
A trolley system comprises a plurality of trolleys, each trolley having an electronic device 2 and a battery 4 providing electrical power for the device 2, and first and second electrical connectors 5, 6 electrically connected to each other and via a charging connection to the battery 4, said first electrical connector 6 on a first trolley being electrically connectable with said second connector 5 on a second trolley; and a charging station having a power source providing a charging current supply to at least one charging electrical connector electrically connectible with the second electrical connector 5 on the first trolley, whereby, when the first trolley is connected to the charging station and one or more trolleys are connected in turn through the first trolley, a charging current is supplied to the battery 4 on each trolley. |
