(57) Abstract Objective Without doing damage and the like to the suffering carrying member the snapOn tubed circles smoothly, at the same time, be able to press in the ring accuratelyIt makes the ru way. Constitution The notch 51 of check ring 50 engagingThe wheel stopper component 10 which regulates the revolution of check ring 50With, falling of destal of notch 51 side of check ring 50Making with this scene 11 which it regulates the guide hole face 3, to provide, supplyIs supplied from opening 9 the check ring 50 which inside guide hole 3The snap phosphorus which so it tries to incline, to this scene 11 this touchesThe pushing pressure pawl 12 which the edge of the notch 51 of gu 50 the pushing is overpowered and suThe pressing in punch 4 which pushes in nap ring 50 into tubed part 41It provides, inclines inside guide hole 3 the check ring 50 whichReduction diameter to be done by pushing pressure pawl 12, in this state pressing in punch 4Try to be pushed in into tubed part 41 by.
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