| 摘要 |
PROBLEM TO BE SOLVED: To improve strength and durability of a pin type holder by enhancing strength of a first side plate side fixed by a screw.SOLUTION: The pin type holder comprises a first side plate 20 and a second side plate 21 opposite to each other in an axial direction, and a plurality of pins 18 arranged with a fixed interval in the circumferential direction of the first side plate 20 and second side plate 21, and in the pin type holder, a screw formed at the tip part of one end of the pin 18 is fixed by a screw hole 23 provided in the first side plate. In a male screw 32 formed at the tip part of the one end of the pin 18, a die is pressed against the tip part of the one end of the pin 18 to mold a thread with plastic deformation.SELECTED DRAWING: Figure 3 |
