Koki Holdings Co., Ltd.

Matsutani Chemical Industry Co., Ltd.

Hiroyuki Tagami

Naoto Ichihashi

Yuka Kishimoto

Takashi Ichihara

Shoko Miyazato

Hiroshi Hara

A work machine according to the present invention optimally collects work chips, such as dust, produced during work. In a circular saw, a sawdust discharge portH and a cover openingJ are formed in an inner cover, and a dust collecting chamber inletLand a dust collecting chamber outletLare formed in a dust collecting case. Furthermore, at least a portion of the dust collecting chamber inletLand at least a portion of the dust collecting chamber outletLare arranged at the same position in the vertical direction.

Work machine

Provided is a vacuum cleaner comprising: a main body housingwhich houses a motor and a fan and which has an intake by which an airflow created by the fan enters inside; and a dust collection unit which is attachable to and detachable from the main body housingso as to cover the intake. The main body housinghas an attachment-receiving partwith a common shape such that a cyclonic dust collection unitwhich separates fine particles using a cyclonic air flow and a dust collection unit which carries out dust collection by filtration without using centrifugal force can be interchangeably attached to and detached from the main body housing as the dust collection unit.

Vacuum cleaner

Growing community of inventors

Ibaraki, Japan

Hiroyuki Tagami