| 摘要 |
<p>The invention relates to a harrow-type device, in particular for keeping winged creatures from landing on a surface (7) to be protected, said device including a base (3), to be attached onto said surface (7) to be protected, and spike-type or tooth-type sharp elements (9) that project from the base (3). According to the invention, said device includes a body (1) formed by means of a corner profile member having a generally L-shaped cross-section, one (3) of the arms (2, 3) of the L forming said base (3), said sharp elements (9) being made of a single part with the other arm (2) of the L, referred to as a repellent arm, said sharp elements (9) being set up along the free longitudinal edge of said repellent arm (2).</p> |
