| 摘要 |
PROBLEM TO BE SOLVED: To provide cushion blocks reduced in size and weight and easy-to- handle during transportation and installation operation and capable of being easily assembled by engagement and connection and a structure using the cushion blocks. SOLUTION: A hooking projection 2 having a wide jaw tip 21 in a specified angular portion is projectedly installed on one face 11 of the overlapped opposed faces of a plurality of stackable synthetic resin hollow block formed bodies 1, 1, etc., at the generally center portion of the overlapped faces 11. Joint ports 3 allowing the hooking projections 2 to be inserted therein and hooked by slidingly rotating about the projections are formed at the generally center portion of the other overlapped face 12. These projections 2 on the block formed bodies 1, 1, etc., are inserted into the joint ports 3 of the faces 12 overlapped with the projections and rotated to hookingly connect the wide jaw tips 21 of the hooking projections 2 on the block formed bodies to the flanges 31 of the joint ports 3.
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