| 摘要 |
<p>Turning device (1) for closure members (50) comprising at least one rod (2) hinged in a first point (11) to a frame (60, for example a frame-like structure that defines an aperture (100) made in the wall of a building. The rod (2) is then hinged at a second point (12) to a support (3) to which a closure member is connected, for example a grating (50). More in detail, the rod (2) can rotate integrally to the support (3) about a first axis of rotation (21) passing through the first point (11) for bringing the grating (50) from a first position, where it closes the aperture (100), to a second position, where the grating (50) moves out of the aperture (100) and substantially orthogonal to it. Then, the grating (50), for example coupled telescopically with the support (3) at a portion (55) free of sliding with respect to it, translates from the second position to a third position, in which it is external to the aperture (100) with respect to the second position. The support (3) rotates, moreover, with respect to the rod (2) about a second axis (22) passing through the second point (12) in order to arrange the grating (50) in a fourth position, where is external to the aperture (100) and substantially parallel to it. In particular the support (3) rotates with respect to the rod (2) about its axis (22) for the presence of a pin (13) that can protrude from the rod (2) or remain within the profile of the rod (2) same.</p> |
