| 摘要 |
PROBLEM TO BE SOLVED: To provide an anchor bolt which can be previously set with a hand into the condition of temporarily fixing a sleeve and a taper bolt while maintaining anti-extracting strength, allowing easy work for insertion into the lower hole of the taper bolt. SOLUTION: The anchor bolt 1a comprises the taper bolt 5 having an enlarged-diameter taper portion 3 at one end of a shaft portion 2 and a male screw shaft 4 at the other end, the sleeve 8 having openable leg portions 7 between a plurality of slits 6 provided ranging from one end to the axial direction and fitted through the shaft portion 2 of the taper bolt 5, and a nut 9 threaded to the male screw shaft 4. A length L1 of the slit 6 provided in the sleeve 8 from one end of the sleeve 8 to the inner end is linearly set to be 3/5 of the total length of the sleeve 8. COPYRIGHT: (C)2007,JPO&INPIT
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