| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a one-touch band for poles by which the pole fastening strength by a bolt in a shape of a hammer is enhanced, excessive opening of the bolt and an arcuate band plate is controlled and the approach for placing the band on the pole from any position is enabled. SOLUTION: A fixing metal fitting 2c is provided on the outside of one band 2 of a set of arcuate band plates 2 and 2' which are connected to each other in such a way that they can be opened and closed around a vertical pin 1, upper and lower flanges 2", 2" are formed by bending the opposite upper and lower parts of the band plates 2 and 2' toward the outside, opposite end parts 3 and 3' of the upper and lower flanges 2" and 2" are widened toward the outside, a protrusion 4 in the opposite direction is formed on the outer end parts of one set of wide upper and louver flanges 2", 2" a notch 5 is formed on the outer periphery of the other pair of wide upper and lower flanges 2", 2", a hammer-shaped base 6' of the bolt 6 is rotatably engaged in the notch 5, a protrusion 4 in the opposite direction is insertably formed in a washer 8 shaped like a bowl of a nut 7 screwed on the tip end of the bolt 6 and arcuate grooves 9, 9 which are engaged in the upper and lower edges 5', 5' of the notch 5 are formed on the upper and lower ends of the bolt of the base 6' shaped like a hammer.</p> |
