| 摘要 |
<p>1. A mower (2) comprising a chassis (13) which supports, by means of connecting members (14), a cutting member (4; 5; 5'; 6) equipped with cutting tools (7) and a rotating drum (9; 11) which extends over the said cutting member (4; 6) and rotates about an axis of rotation (58) directed upwards, a device (22) for driving the said cutting member (4; 5; 5'; 6) and/or the said rotating drum (9; 11) and/or at least one part (23; 26) of the said connecting members (14) penetrating inside the said rotating drum (9; 11) by passing through the upper crown (32, 42, 621, 721, 781) of the said rotating drum substantially along its axis of rotation (58), a space which forms a clearance being provided between the internal edge of the said upper crown (32, 42, 621, 721, 781) of the rotating drum (9; 11) and the said drive device (22) and/or the said part (23; 26) of the connecting members (14) which penetrate inside the rotating drum (9; 11), characterised in that on or over the said upper crown (32, 42, 621, 721, 781) of the rotating drum (9; 11) are arranged rotating push-back blades (30; 31) which extend from the vicinity of the periphery of the said upper crown (32, 42, 621, 721, 781) into the vicinity of the said space so as to prevent the introduction of plants or other matter through this space into the interior of the said rotating drum (9; 11).</p> |
