Fastening structure and keyboard device
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United States of America Patent
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Sep 26, 2023
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N/A
app pub date -
Sep 19, 2019
filing date -
Mar 23, 2017
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Abstract
A fastening structure for fastening a to-be-fastened component to a wooden component by using a screw, wherein the wooden component is made of wood having a specific gravity of 0.08 g/cm3 to 0.85 g/cm3 inclusive, the screw has a nominal diameter of 0.8 mm to 3.5 mm inclusive, and the distance between a neutral position in a longitudinal direction of an effective screw part, which is the portion where the wooden component and a male screw part formed in a shaft part of the screw mesh together, and the surface of the wooden component that comes into contact with the to-be-fastened component is 1 mm to 15 mm inclusive.
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