| 摘要 |
THE PRESENT INVENTION RELATES GENERALLY TO AN ENGAGING MEANS FOR METAL ASSEMBLY EMPLOYING A HOOK-LIKE MALE MEMBER (2) AND A SLOT (8) FOR JOINING A PLURALITY OF UPRIGHT MEMBER (1) AND/OR HORIZONTAL CROSS MEMBER (13) FOR DISPLAY, RACKING OR SHELVING SYSTEM OR THE LIKE WITH HOOK-LIKE MALE MEMBER (2) BEING PROVIDED ON THE SUPPORT FACE (4),(4A) OF A UPRIGHT MEMBER (1) FOR ENGAGEMENT WITHIN THE SLOT (8) PROVIDED ON THE JOINT BRACKET (7) OR HORIZONTAL CROSS MEMBER (13) THEREBY ENSURING NEAT FINISHING ON THE FRONT OUTER SURFACE OF THE UPRIGHT MEMBER (1), SAID ENGAGING MEANS IS FURTHER ADAPTED TO HAVE A SELF-LOCKING PRINCIPLE WHICH BETTER WITH INCREASED LOADS THEREBY OVERCOMING THE PROBLEM OF EASY DISENGAGEMENT.
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