| 摘要 |
PURPOSE: A backpack is provided, which prevents sweat by supplying cold air, increases activity by cooling the human body, and massages the back using dynamic energy of the backpack. CONSTITUTION: A backpack comprises a backpack main body accepting goods; a shoulder-strap(3) fastening the backpack main body to the shoulder; a board(4) which is mounted on the contact side of the backpack main body and the back of the human body; and a plurality of finger pressure protrusions(5) which is formed on the contact surface. In the space between the finger pressure protrusions of the board, a ventilation fan(8) blowing the air by the power of a battery is installed. In the rear end of the board, a plurality of protrusions(15) are formed and secure an air flow channel(16) between the backpack main body and the back of the human body. |
