| 摘要 |
The opening arm (5) has a spring (10) and a slide shoe (6) connected to the spring and movable along a guide. The slide shoe a roller (15) or similar for easy movement in the guide (7), and also an adjustable brake (21) which acts independently of the roller. The roller is preferably set on the side of the slide shoe which exerts the opening force. The roller can be mounted on an (26) which forms the swivel axis (27) for the opening arm. |
