Patent ID: 8490274
Filing Date: 2013-07-23
Classification: B21D,Y10T

Abstract:
1. A positioning-jig used for mounting a face plate on a female-die of a stamping machine, the positioning jig comprising: a cylindrical female-part having a male-part having a size capable of being set in the female-part, and having a flat washer-shaped elastic body which is set on the bottom part of the male-part, wherein an inner diameter of the elastic body is larger than an outer diameter of the cylindrical axial part, an outer diameter of the elastic body is smaller than an outer diameter of the bottom part, the locking part and the another locking part fit into the longitudinal concave part and the another longitudinal concave part in a longitudinal side of the L-shape and a longitudinal side of the another L-shape respectively when the male-part is attached to the female-part, the locking part and the another locking part slide into the lateral concave part and the another lateral concave part in a lateral side of the L-shape and a lateral side of the another L-shape respectively when the male-part is rotated by a predetermined angle while the male-part is attached to the female-part, and the female-part and the male-part are locked together with a repelling force of the elastic body while the male-part is attached to the female-part.