| 摘要 |
<p>The bundle (1) has two barrels (2, 3) arranged firmly in a hook piece (4) at rear ends of barrels, where the barrels are connected with each other at front barrel ends (2a, 3a) by a front barrel holder (5). The holder has a retainer arranged firmly at the front barrel end (2a) and an adjustable retainer for supporting the front barrel end (3a). The adjustable retainer is linked by a spring element i.e. compression spring, in an adjusting position that is adjusted by an adjustable catch. The retainer has a recess into which a protruding retaining bar of the adjusting retainer is adjustably led.</p> |
