| 摘要 |
PURPOSE: A front door opening apparatus using a spring hinge is provided to naturally open and close the front door by opening the front door by promptly rotating the closed front door to 90°upward direction. CONSTITUTION: A spring hinge(20,21) successively performs translation motion and rotation motion. One side of the spring hinge is fixed to a front door(10) by a hinge bracket. The other side of the spring hinge is fixed to a front body(50). A hinge stopper(60-63) for removing the translation motion of the spring hinge is installed in the upper and lower part of the spring hinge.
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