| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation auxiliary member for a mobile phone by which a user can easily hold the mobile phone and does not feel fatigue when using the mobile phone. SOLUTION: An arm support 5 supports an arm 3. The arm support 5 is made of an elastic body such as rubber and moves the arm 3 by exerting force. The arm support 5 is provided with a first recessed part 12 and a second recessed part 13. Fitting a projection of a case body of the mobile phone 1 to first and second recessed parts 12, 13 can fit the arm support 5 to the case body. Further, a hole 15 is formed to a tip of the arm 3 inserted to the arm support 5. One end 21a of a coil spring 21 is inserted to the hole 15 and the other end 21b is fixed at an L-shaped projection 16. Force of the coil spring 21 maintains an opening state and the user operates the mobile phone 1 in this state.
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