| 摘要 |
PCT No. PCT/JP92/00540 Sec. 371 Date Nov. 24, 1993 Sec. 102(e) Date Nov. 24, 1993 PCT Filed Apr. 24, 1992 PCT Pub. No. WO93/04574 PCT Pub. Date Mar. 18, 1993.A mowing machine having a plurality of recessed-blades-carrying mowing plates (2), each having a plurality of projections (3) each provided with a front cutting edge (4) formed at the front end and also having sharp recessed blades (5) provided in fixed positions slightly receding from the front end and between said projections. The blades are fixed to the outer periphery of a rotary weeding body (10) in such positions recessed blades (5) of one plate deviate from those of the others in rotational phase so that recessed blade all together sweep the whole periphery of said rotary weeding body (10) which is provided on the vehicle body rotatably in the forward and reverse directions. A grass sweeper (25) is provided on the vehicle body in a position higher than the support shaft so as to be in proximity to or in elastic contact with said rotary weeding body for enabling simultaneous grass sweeping, mowing, and grass collection in cooperation with a rotary grass removing body (55) even when the machine is driven either of the forward and reverse directions. The rotary weeding body (10) is controlled in rotational operating speed and composed of a support shaft (24) and rotary weeder (9) which are in the structure capable of being disassembled from each other. All mowing plates are attachable to or detachable from the machine and replaceable simultaneously and quickly.
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