PROBLEM TO BE SOLVED: To provide a knapsack blowing working machine, capable of working more comfortably so that clothes are not sucked.SOLUTION: A mist blower 1 includes: a shouldering frame 7 a blower 5 disposed on the rear surface side of the shouldering frame 7 and a back rest member 8 disposed on the front of the shouldering frame 7, wherein an air inlet 5b of the blower 5 is disposed opposite to the rear surface of the shouldering frame 7, the shouldering frame 7 is provided with a through hole 7a at the front of the air inlet 5b of the blower 5, and the back rest member 8 includes a plurality of back rest pads disposed at spaces 8a, 8b and a sheet 89 disposed on the front faces of the back rest pads 80 and formed of fabric having high air permeability.COPYRIGHT: (C)2013,JPO&INPIT【課題】衣類等が吸い込まれないように、より快適に作業することが可能な背負式送風作業機を提供する。【解決手段】ミストブロワ1は、背負枠7と、背負枠7の後面側に配設された送風機5と、背負枠7の前面に配設された背当部材8と、を有し、送風機5の空気吸入口5bは、背負枠7の後面と対向するように配設され、背負枠7には、送風機5の空気吸入口5bの正面に、貫通穴7aが設けられ、背当部材8は、隔8a、8bを有して配置される複数の背当パッドと、背当パッド80の前面に配設され、通風性が高い布地で形成されたシート89と、を有する。【選択図】図4
