| 摘要 |
PROBLEM TO BE SOLVED: To provide a combining structure that enables the integral forming of a case body and a covering body out of synthetic resin at a low price. SOLUTION: A case body 10 with a rising wall 11 on its surrounding edge is provided. A covering body 30 with a falling wall 31 on its surrounding edge is also provided. Plural combining members 21 for engaging the frame are formed on an instrument body frame 20 by projecting plural combining hooks 32 for covering part from the falling wall 31. Plural hook receiving ditches 12 for combining the covering part which can freely engage and disengage with the combining hooks 32 for covering part are formed on the case body 10. Plural hooks 13 for combining the frame which can freely engage and disengage with the engaging members 21 for combining the frame are formed on the case body 10. The combining hook 32 for covering body, the hook receiving groove 12 for combining the covering body, the combining member 21 for engaging the frame, the hook 13 for combining the frame, are arranged that the hook receiving ditch 12 for combining the covering part and the hook 13 for combining the frame to make a pair and both are arranged to adjoin on the case body 10. The case body 10, and the covering part 30 each are integrally formed out of synthetic resin. |
