Mower

Abstract

A lawn mower (10) includes a mower body (11) and a grass bag (24) provided at the rear of the mower body. The mower body has a cutter deck (12) rotatably accommodating a cutter blade (14), a carrying passage (32) for guiding grass clippings into the grass bag (24), and an air return passage (33) for guiding only air from the grass bag into the cutter deck (12). Cutter deck-facing openings (35) of the air return passage are opened in line with the rotating track of airlifts (39, 39) provided at the opposite ends of the cutter blade (14). A swirling airflow inside the cutter deck (12) induced by the rotation of the cutter blade (14) is in the same direction as that of air returned via the air return passage (33), resulting in a smooth airflow inside the cutter deck.

Description

technical field [0001] The present invention relates generally to lawn mowers and, more particularly, to an air circulation lawn mower in which the grass clips are conveyed through the delivery channel into the grass bags with the carrier air, and only the air is returned to the mower through the air return channel. In the cutter cover of the mower body, the air return channel extends from the grass bag to the cutter cover. Background technique [0002] For example, in Japanese Utility Model Publication No. SHO-63-66423 entitled "Anti-dust-scattering Structure for Grass Cutting Machine" and Japanese Utility Model Publication SHO-63-63 entitled "Grass Collecting Device for Grass Cutting Machine" In No. 71622, an air circulation lawn mower is disclosed. [0003] The lawn mower of SHO-63-66423 is constructed in such a way that the grass cut by the cutting blade is discharged into the catcher by the air flow generated by sucking air from the outside of the cutting blade housing...

AI Technical Summary

Problems solved by technology

[0006] However, the grass collection device of this lawnmower is configured to return air into the rear of the cutting section 5 and requires bending the air flow returning into the cutting section at right angles, which undesirably results in a pressure loss

In addition, the grass collection machine is constructed to exhaust the air to the outside, which creates a lot of noise and discharges dust

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