MOWING MACHINE, STRUCTURE THEREOF FOR DISCHARCHING MOWED GRASS, AND STRUCTURE FOR REPLACING ROTARY WEEDER

摘要

This invention consists in a technique for preventing agricultural chemicals pollution by herbicide spraying and provides a mowing machine in such structure that: a plurality of recessed-blade-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, 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 to 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 in any of the forward and reverse directions; whereby continuous operation conducted by a prime mover for a long period of time is made possible, 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, change of application, grinding, and servicing are possible even on the job site, mowing in the forward and rearward directions is possible, operation by remote control is also possible, and the rotary mowing machine (64) is fixed at both ends to under a skirt (62) disposed under a rotor (60) fixed to the rotating shaft.