| 摘要 |
PROBLEM TO BE SOLVED: To provide a vacuum cleaner where charging efficiency is improved by shortening a time for charging a secondary battery of a slave machine. SOLUTION: A vacuum cleaning apparatus main body 3 which the vacuum cleaner 2 provided with an electric blower 12 of a slave machine and a secondary battery 21 of the slave machine for supplying power to the electric blower 12 can be attached to and detached from is provided with an electric blower 56 of a master machine and a secondary battery 57 of the master machine for supplying power to the electric blower 56. When the vacuum cleaner 2 is mounted to the apparatus main body 3, the secondary battery 21 is charged directly by the secondary battery 57 to shorten the time for charging the secondary battery 21 to improve the charging efficiency. COPYRIGHT: (C)2008,JPO&INPIT
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