| 摘要 |
PROBLEM TO BE SOLVED: To lock various beads of a tire case by constant force. SOLUTION: A bead lock mechanism E for locking a bead part of a tire case is provided. The mechanism E is provided with a slide body 5 installed reciprocatably in the axial direction in a guide case 4, bead lock segments 6,... having recessed grooves 7 which are made reciprocatable in the diameter direction, arranged in the circumferential direction in the guide case 4, and formed outward openably in the circumferential direction, the first elastic rings 8 fitted in the depth of the grooves 7 of the segments 6,... and a ring-shaped elastic body 11 which has the second elastic rings 9 engaged with the openings of the grooves 7 at the inside end in the axial direction and a main body part 10 installed on the outside in the axial direction from the second elastic rings 9.
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