| 摘要 |
<p>A HINGE FOR COLD ROOMS, SWING GATES OR THE LIKE, WHICH COMPRISE A STATIONARY SUPPORT STRUCTURE (S) AND AT LEAST A DOOR (A) MOVABLE BETWEEN AN OPEN DOOR POSITION AND A CLOSED DOOR POSITION. THE HINGE COMPRISES A BOX-LIKE HINGE BODY (3) AND A PIN (5) RECIPROCALLY ROTATABLE COUPLED TO ROTATE ABOUT A FIRST AXIS (X) BETWEEN THE OPEN DOOR POSITION AND THE CLOSED DOOR POSITION. CLOSING MEANS ARE PROVIDED (10) FOR AUTOMATICALLY RETURNING THE DOOR (A), AS WELL AS A WORKING FLUID ACTING THEREON TO HYDRAULICALLY CONTRAST THEIR ACTION. THE CLOSING MEANS (10) COMPRISE A CAM ELEMENT (11) UNITARY WITH SAID PIN (5) INTERACTING WITH A PLUNGER ELEMENT (12) HOUSED IN AN OPERATING CHAMBER (25) DEFINED WITHIN THE BOX-LIKE HINGE BODY (3). THE BOX-LIKE HINGE BODY (3) HAS AN ELONGATED SHAPE TO DEFINE A SECOND AXIS (Y) PERPENDICULAR TO THE FIRST ONE (X).</p> |
