| 摘要 |
PROBLEM TO BE SOLVED: To provide a driving anchor which is simple in structure, reduced in working cost, capable of lessening the occurrence of resistance when driving the anchor, saving driving work, and does not develop a situation where the driving work is made impossible or the destruction of a concrete in the work. SOLUTION: The driving anchor is comprised of: an anchor main body 22, in which a screw shaft 26 is provided on an end side of a body 25, a screw ridge 27 projecting on the other side of the body 25 at the other end side, a longitudinal notch 28 is formed at the screw shaft, and a root 29 at the back side of the screw ridge 27; an anchor member 23 having a top end side shaft 30 overlapping a face side of the body 25 and a rear end side shaft 31 fitted in the notch 28, and whose rear end side shaft 31 is set longer than the notch 28; and a nut 24 is screwed in the screw shaft 26. The setting state of the anchor main body 22 and the anchor member 23 is bound with the nut 24 screwed in the screw shaft 26. COPYRIGHT: (C)2003,JPO
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