| 摘要 |
PROBLEM TO BE SOLVED: To easily transfer a sliding door and impart a structure in which the sliding door can be easily manufactured and improve safety. SOLUTION: This hanging wheel device is provided with four correcting rollers 27,... against meanderings arranged so as to get into contact with the side walls R1", R2" of rails R1, R2 when a support body meanders, four ball legs B,... for getting over slits arranged so as to come into contact with the upper face of the bottom wall R2' of the rail R2 when a first wheel Tx is going about to fall in the slit Ra of the bottom wall R2' of the rail R2 and also so as to come into contact with the upper face of the bottom wall R1' of the rail R1 when a second wheel Ty is going about to fall in the slit Ra of the bottom wall R1' of the rail R1, and a bolt-regulation frame 30 restricting the movement of the door-hanging bolts 11.
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