| 摘要 |
PROBLEM TO BE SOLVED: To provide an automatic device safely securely removing snow accumulated on a roof and prevent precious life from being lost. SOLUTION: The automatic snow raking device falls and removes snow accumulated on the roof by automatically driving a plurality of wire driving devices (1) installed on the roof and using a snow raking unit (3) which is position-controlled by wires (2). COPYRIGHT: (C)2007,JPO&INPIT
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