| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic equipment including a rotational operation part having a waterproof/dustproof structure excellent in durability and excellent in assembly workability.SOLUTION: An imaging apparatus 1, which is an example of electronic equipment, includes: an ND dial 401 whose discoid outer circumferential surface is operably shaft-supported; a cum 405 housed in a front case 402 and a rear case 403 and driven by rotation of the ND dial; and arm units 407a to 407d. A dial circumferential rib 4014 protruded toward the front case 402 is provided on the ND dial 401, and a front case circumferential protruded part 4021 protruded toward the ND dial 401 in a vicinity of an inner circumference of the dial circumferential rib 4014 is provided on the front case 402. A front case circumference groove part 4022 filled with a lubricant 422 is provided on a top face of the front case circumferential protruded part 4021, and a dial circumferential small rib 4015 housed inside the front case circumferential groove part 4022 is provided in the ND rotary dial 401. |
