| 摘要 |
<p>The door compact closing mechanism has a damper and frame held on door panel or on fixed frame. The door closure has fluid containing cylinder divided into two chambers by a piston. Chambers are connected by holes in the piston. One end of piston is connected to the door or door frame. The piston resistance is reduced on opening the door and increased on closing. The free end of piston rod (17) is connected with the actuating rod (20) by means of lever mechanisms (19, 25, 26). Slots are provided in the closing mechanism frame for movement of these levers.</p> |
