| 摘要 |
The cylindrical closure has a front bar (1,7) and a movable lock (4,6) consisting of two parts. A box (2) with a ball joint (3) is mounted on the lower part (1) of the front bar, which has a constant length, engaging with the lower part (4) of the movable bar, the upper end of which has a bend (5) protruding over the upper edge of the lower part (1) of the front bar. On the upper piece (6) of the movable bar mounted on the upper part (7) of the front bar, with adjustable length, there is a lower bend (8) through which the lower part of the upper part (7) of the front bar protrudes. Both parts (4,6) of the movable bar are joined where they bend (5,8) by a bolt (9) and a pin (10).<IMAGE>
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