| 摘要 |
PURPOSE: A washer for a direct fastening pin is provided to make the washer to be smoothly connected to the fastening pin by using a wing part. CONSTITUTION: A washer for direct fastening pin includes a body part(110) and a wing part(120). The body part(110) has a fastening pin. The body part(110) includes the wing part(120) extending toward the outside of the body part(110). The wing part(120) has a non-linear shape in which the wing part(120) is curved toward the body part(110). The wing part(120) adjacent to the body part(110) is slowly curved, and the free end part of the wing part(120) is rapidly curved toward the body part(110). Wing parts of another body part are not inserted between wing parts of the body part(110) having the above structure.
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