| 摘要 |
<p>THE PRESENT INVENTION PROVIDES A LADDER SYSTEM COMPRISING A FIRST SECURING ASSEMBLY (202) COMPRISING A PAIR OF SUPPORT PLATES (10, 11) RIGIDLY INTERCONNECTED BY A CONNECTING MEMBER (15); A FIRST GRIPPING MEANS (13) FORMED WITH A PLURALITY OF GROOVES SECURED TO AT LEAST ONE END OF THE SUPPORT PLATES (10, 11); A SECOND GRIPPING MEANS (14) FLEXIBLY DISPOSED IN BETWEEN THE SUPPORT PLATES (10, 11), SAID GRIPPING MEANS (14) COMPRISING A STRAP (16) INTERGRATED WITH A PAIR OF RESILIENT MEMBERS (20, 21); EACH OF SAID RESILIENT MEMBERS (20, 21) ARE FORMED WITH A PLURALITY OF PROTRUSIONS, SAID PROTRUSIONS ARE ARRANGED IN A MANNER SUCH THAT WHEN THE STRAP (16) IS RESTED AGAINST A SUPPORT OBJECT A GRIPPING FORCE IS EFFECTED ON SAID SUPPORT OBJECT.</p> |
