| 摘要 |
This device comprises two fixation elements (4), each consisting of a hook (4) designed so as to be able to cover a rigid transverse bar (3) in a sliding manner and equipped with means (9, 8) for locking on the bar (3); this hook is made up of a body (5) and at least one blade. This device forms a relatively simple transverse connection device which can be positioned quickly and which has great torsional and flexural strength.
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