| 摘要 |
<p>Locking unit with a retractable and integrated bolt for the handling, transportation and storage, by stacking, of load-carrying structures.
<??>Locking unit characterised in that it comprises, on three adjacent faces, including the lower face, an oblong opening (10) for locking with the aid of a standard bolt, and in that it contains a retractable bolt device (1) integral with a support (12), with a locking head (11), movable between a retracted position inside the unit, in which the underface of the support is in the plane of the upper face of the unit, and a work exit position, in which the support plate (17) carrying the locking head extends the upper face of the unit.
<??>This invention is of interest to manufacturers of containers and transportation equipment.
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