| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing device capable of lessening components in number, and simply performing pivoting operations and releasing operations. SOLUTION: In this bearing device 1 formed out of a shaft 4, and of a bearing part 24 pivoted by the shaft 4 in such a way as to be freely rotated, the device is formed out of a small diameter part 5b formed in the circumferential surface 4a of the shaft 4, paired flat surface parts 4d formed in the circumferential surface of the aforesaid small diameter part 4b so as to be in parallel with the axial direction of the small diameter part 4b while being faced to each other, a bearing hole 26 the diameter of which is made roughly identical to the diameter of the small diameter part 4b formed in the bearing part 24, and of a guide part formed out of a cut-out 31 having a width between the paired flat surface parts 4d toward the bearing hole 26. Let the paired flat surface parts 4d be guided in within the cut-out 31 of the aforesaid guide part, and the bearing hole 26 of the bearing part 24 is so devised as to be pivoted by the small diameter part 4b of the shaft 4 in such a way as to be freely rotated.
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