| 摘要 |
PURPOSE: A back pack pump is provided to easily fill the pump with water and to be used for extinguishing fire or spraying agricultural chemicals. CONSTITUTION: A back pack pump comprises a back case(30) which is combined with a shoulder strap, a hopper(50) which is installed in the back case and accommodates a polyethylene terephthalate bottle, a storage tank(90) which stores liquid ejected through the hopper, a connection hose(93) which is connected to the storage tank, and a spray device(95) which is combined with the end of the connection hose and sprays the liquid of the storage tank. |
