| 摘要 |
PROBLEM TO BE SOLVED: To prevent swelling and/or jumping-up, by firmly fixing and connecting a grating put on and arranged in a road surface opening part in relation to the road surface opening part. SOLUTION: This grating fixing device has linking means 10A, 10B and 10C linking in relation to the road surface opening part P under the grating G, an intermediate connecting body 1 arranged on an under surface of the grating G by linking with these linking means 10A, 10B and 10C and positioned in an opening of the grating G, and a fixing body 20 fixed to and arranged on an upper surface of the grating G and screw-fastened and fixed to the intermediate connecting body 1. The intermediate connecting body 1 has an inserting piece part 2, a linking part 3 for linking the linking means 10A, 10B and 10C and a screw-fastening part 5 for screwing-in the fixing body 20. The fixing body 20 has a base part 21 having a rotational operation part 22 and arranged on the grating G, a screwing-in bolt part 23 and a stopper 24 inserted into the opening of the grating G. COPYRIGHT: (C)2006,JPO&NCIPI
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