| 摘要 |
<p>A removal prevention device (1) for anti-siphoning devices for tanks (2), which comprises a second ring (4) which is provided with an axial tube (7) and with which a third ring (8) can be associated which can be coupled to the tank (2); the second ring (4) has an annular guide (12), concentric to the axial tube (7), on which at least slider (13a, 13b) slides, oscillating with respect to a pivot (17a, 17b) which is associated with the third ring (8); adjacent to the annular guide (12) there is at least one first seat (19a, 19b) for the temporary engagement of the at least one slider (13a, 13b) and at least one second seat (21a, 21b) for an elastically deformable element (20a, 20b) which protrudes within the annular guide (12); one or more screws (22a, 22b) is associated radially with the second ring (4), affecting or not affecting the annular guide (12).</p> |
