Patent ID: 7819647

Claim:
A bead ring locking mechanism of a tire vulcanizer which restricts the relative turning of a tubular lifter moved upward or downward on the outside of a central mechanism outer casing with respect to an annular bead ring attached to the outer circumference of the lifter to form a part of a die, the bead ring locking mechanism comprising: a stopper member installed at one of the bead ring and the lifter and attached so as to move back and forth with respect to the other of the bead ring and the lifter; and an actuating member which moves the stopper member from one of the bead ring and the lifter to the other; wherein a recessed portion is formed at the other of the bead ring and the lifter, a raised portion is formed at the stopper member, and the raised portion is fitted into the recessed portion by pressing the stopper member to the other of the bead ring and the lifter using the actuating member.