| 摘要 |
PROBLEM TO BE SOLVED: To provide a hinge for an inner frame that can eliminate an elastic member for preventing a lateral removal of a rotating supporting shaft and a locking member and allows an axial detachment of the rotating supporting shaft. SOLUTION: After incorporating a lower rotating member in the lower fixing member of a lower hinge while tilting rearward an inner frame 2, by locating the inner frame 2 in a state of opening in the front side of an outer frame 4, and by pushing it toward the upper left corner of the outer frame 4, the rotating supporting shaft 16 of a hinge pivoting member 12A is butted against the guideway 31 of a hinge pivoting member 12B. In addition, by pushing the hinge pivoting member 12B in the direction of an arrow 35, the tip of the rotating shaft 16 enters into a notched groove 32 and is guided to the circumference of a shaft hole 17, and the shaft hole 17 is fitted into the rotating supporting shaft 16 along a tapered surface 16A by the self-weight of the inner frame 2, and the underside of a sliding portion 29 is butted against the top of a shaft mounting portion 23.
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