| 摘要 |
<p>An animal barrier device comprising one or more elongate rotating bodies (2) and fixture means (3, 4), in which in use the fixture means are mounted on a construction (5) with which the animal barrier device is used, in which the fixture means supports the one or more rotating bodies such that in use they rotate on a longitudinal axis (6) located at any point on a line between a centre of the rotating body and a point below the rotating body, and such that the rotating bodies move back and forth in a direction substantially normal to their length.</p> |
