| 摘要 |
<p>The seal has a channel provided in a housing (1) between plate springs (5a, 5b) and an outer side of the housing. The channel extends from an end (52b) of one of the springs (5b) to an end (51a) of the other spring (5a), and over the end of the latter spring to a channel end. A guide is provided at or adjacent to the channel end. A trigger is displaceably arranged in the guide and connected with a bar (8), and actuates a mechanism for displacing sealing strips between positions. A coupling piece (91) of the trigger is provided with a threaded hole running in a longitudinal direction.</p> |
