| 摘要 |
A universal angle jig capable of providing any angle and a half the angle easily and accurately, wherein a parallelogram having four sides equal in length to each other is formed of a pair of first rules (120) and a pair of second rules (130), a reference rule (110) is provided on the diagonal position of the parallelogram, those portions of the first and second rules (120, 130) positioned at the opposed apexes of the parallelogram are supported slidably and fixedably along a guide groove (111) of the reference rule (110), and an angle formed by any two of the first and second rules (120, 130) and the reference rule (110) is specified as an angle to be obtained.
|
