PROBLEM TO BE SOLVED: To provide a portable working machine having a cooling mechanism which can cool a worker comfortably.SOLUTION: A portable working machine has: a motor section 2 using a casing 21 as an outer shell first drive transmission sections 24, 42 connected to the motor section a working section for holding a tip tool, being connected to the first drive transmission sections to be driven, and processing a processing target second drive transmission sections 76, 91, 92, 93, 94 which are connected to the motor section and different from the first drive transmission sections and cooling mechanisms 72, 75 which are driven by the second drive transmission sections and positioned outside the casing 21 to cool the worker.COPYRIGHT: (C)2015,JPO&INPIT【課題】作業者を快適に冷やすことが可能な冷却機構を備えた携帯用作業機の提供。【解決手段】ケーシング21を外殻とする原動機部2と、原動機部に接続される第1駆動伝達部24、42と、先端工具を保持し第1駆動伝達部に接続されて駆動され処理対象を処理する作業部と、原動機部に接続され第1駆動伝達部とは別の第2駆動伝達部76、91、92、93、94と、第2駆動伝達部により駆動され、ケーシング21の外部に位置して作業者を冷やす冷却機構72、75と、を備えた携帯用作業機である。【選択図】図2
