| 摘要 |
PROBLEM TO BE SOLVED: To prevent a conventional drop preventive device locked by a string from being easily dropped from a breast pocket and hung down even if a person bends down. SOLUTION: When a cellular phone 4 is taken out of the breast pocket and brought to an ear, a wire 2 is extended, a coil spring 5 is coiled, and when the cellular phone is returned to the breast pocket, the coil spring 5 is uncoiled, and thus, the wire is returned, and the cellular phone 4 is constantly stored in the breast pocket. Even if the person bends over with the cellular phone 4 put in the breast pocket, it is prevented from being dropped from the breast pocket.
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