Honda Motor Co., Ltd.

Ai Amano

Tetsuo Iida

Hiromi Yuzuriha

Kenzo Shimada

Takahiro Yamamoto

Seishu Sakai

Shoji Hasei

Katsuhisa Ichikawa

Yasunori Yamamoto

Masatoshi Nagaoka

Yoshio Yoshihara

Tomoki Itou

Tetsou Iida

A lawn mower has a machine body, a grass bag detachably attached to the machine body for collecting therein grass clippings, a driving power source mounted on the machine body, a cutter blade driven by the driving power source for rotation to cut grass, and a cutter housing covering the cutter blade. The cutter blade has air lifting sections disposed at opposite end portions thereof for producing carrier air during rotation of the cutter blade. The cutter housing has a grass clipping delivery passage for directing grass clippings to the grass bag with the carrier air produced by the air lifting sections of the cutter blade, and an exhaust air return passage for returning only the carrier air, as exhaust air, from the grass bag to the cutter housing. The grass clipping delivery passage extends in a front-and-rear direction of the cutter housing. The exhaust air return passage is disposed adjacent to and extends substantially perpendicular to the grass clipping delivery passage. The exhaust air return passage has an exhaust air inlet disposed in a rear upper surface portion of the cutter housing and an exhaust air outlet facing a rear lower end of the cutter housing.

Lawn mower exhaust air return

A walk-behind working machine has a traveling unit, a working unit, an engine, and an illumination section disposed forwardly of the engine for projecting light. A cover member collectively covers the engine and the illumination section. The cover member has a light transmitting section for transmitting therethrough light projected by the illumination section. The light transmitting section or a portion of the cover member near the light transmitting section has at least one through-hole through which heat generated by at least one of the engine and the illuminating section is radiated.

Walk-behind working machine

Growing community of inventors

Wako, Japan

Ai Amano