| 摘要 |
<p>Hook means comprises a body (1) provided with a hollow (2) suitable to be coupled with a conjugate part (3) of an agricultural tool, a shutter (9) slidably inserted into said body (1) so as to partially occupy said hollow (2) with its first end portion (10) and having a second end portion (11) coupled with an actuating lever (5), said actuating lever (5) being held adjacent to said hook-shaped body by elastic means (18), stopping means (16) associated to said body (1) suitable to cooperate with said lever (5) when this lies close to said body (1). <IMAGE></p> |
