| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an economical anchor capable of exhibiting strong and stable holding power, hardly hitching on a root, allowing a tiptoe part to surely bite in, being simple in constitution, lightweight, compact, easy in treatment, suitable for mass production, inexpensive, strong and excellent in durability. <P>SOLUTION: An anchor body 1 is composed of a central base piece 2 and right-left inclined blade pieces 3, and a weight is fixed to a front end side lower surface part of the central base piece 2. A guard stay 5 includes right-left inclined rod parts 6a, right-left bracing rod parts 6b and a rear connecting rod part. An overhang part 6 respectively projects to the right-left sides of the anchor body 1. A shank 20 includes a fixed rod 21 and a rocking rod 22 freely rocking in the lateral direction via a shaft pin 24 and is constituted so that a wire rod installing part 10 is formed near a front end part of the central base piece 2 of the anchor body 1, and a wire rod locking part 26 is formed near a front end part of the fixed rod 21 of the shank 20, and a root hitching preventive wire rod can be installed so as to join the wire rod installing part 10 and the wire rod locking part 26. <P>COPYRIGHT: (C)2012,JPO&INPIT |
