摘要 |
PROBLEM TO BE SOLVED: To provide a hook device with a hook body positively attached to a solid block for preventing easy loosening or rattling of the hook body and allowing simple and easy exchanging of the hook body. SOLUTION: This hook device for suspending the solid block 1 is provided with a base frame 2 comprising a bottomed hollow cylinder body buried in the block, formed with a plurality of protruding lines 3 on its outer surface, and having a screw 4 provided in its inner circumferential surface, a cylindrical set screw 5 provided with a screw 6 to be screwed to the screw of the inner circumference of the base frame and formed with a hole 9 penetrated by a leg part 8 of the hook body 7 in its interior, a piece cap 10 comprising a bottomed hollow cylinder body, having a screw 11 provided in its inner circumference, and sandwiched between a bottom of the base frame and an end part of the set screw, and the hook body formed with a hook 12 on one end side and provided with a screw 13 to be screwed to the screw of the piece cap on a leg part tip of another side.
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