| 摘要 |
System for locking doors on goods boxes, involving a mechanism that consists of an operating lever ( 4 ), to which attachment is made of a set of knuckle-jointed connecting rods ( 7 and 8 ) pivoting like a compass, forming a four-sided articulated arrangement that is operated by use of the lever ( 4 ) in order to lock and release the respective head arrangements ( 10 and 12 ) with regard their corresponding lock attachment housings ( 11 and 13 ).
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