| 摘要 |
PROBLEM TO BE SOLVED: To provide deformation prevention mechanism of a rotation operation shaft in which deformation of a rotation operation shaft can be prevented, even when the diameter of the rotation operation shaft of a rotation operation component is made small to insert the solid operation knob. SOLUTION: The rotation operation component 2 is fixed to a chassis 1, a rotation operation shaft 2a of the component 2 is disposed at a position corresponding to the hole of a housing 5 covering the chassis 1, and a rotation operation knob 4 is engaged with the stem 2a. In this fixing structure of the rotation operation component, a flange 4a is formed integrally with the rotation operation knob 4, and it is projected from the hole of housing 5. The flange 4a is disposed so that the flange 4a may be sandwiched between the chassis 1 and the housing 5 in the state of proximity. COPYRIGHT: (C)2005,JPO&NCIPI
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