| 摘要 |
PROBLEM TO BE SOLVED: To provide a mechanism mutually moving two flat surfaces in parallel with each other without using structure by slide-fitting, to provide a shaft coupling mechanism using the mechanism for transmitting a rotary motion between two shafts shifted from and in parallel with each other, and to provide a rotation mechanism using the mechanism in which other shaft element can be rotated in a flat surface at right angle to an axial direction. SOLUTION: Two members 2, 3 of which surfaces at right angle in an axis direction and in parallel with each other are disposed. A first support flange 14 projected from a surface 2a of one member to an opposed surface is disposed at a position symmetric about an axis. At a position circumferentially shifted by 90 degrees from the first support flange 14, a second support flange projected from a surface 3a of the other member to an opposite surface is disposed at a position symmetric about an axis. Between the first flange 14 and the second support flange 16, a belt-like ring leaf spring 18 is suspended to wind around the axis and is arranged in a ring-like manner, so that a distance between the opposed surfaces 2a, 3a of the two members is maintained and the opposed surfaces 2a, 3a can be mutually moved in parallel with each other by the deflection of the ring leaf spring 18. COPYRIGHT: (C)2009,JPO&INPIT
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