| 摘要 |
A gate is disclosed, which consists of a gate leaf with all-round frame. The frame is constructed of two sections, one of which is rigid and inflexible, the other of which is flexible, and further serves as mounting for a flexible gate filling. However, this flexibility only comes into play in the event of the action of a force greater than a given value so that damage by transport vehicles driving against the gate is excluded, but on the other hand the gate, in the closed state, cannot be opened by muscle force. Access of unauthorised persons is thus prevented.
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