| 摘要 |
The present invention is a hinge device installed between a first member 1 and a second member 2, which are folding opening/closing members; including: a first installation body 3 having a cam 4 and pivots together with the first member 1; a tubular second installation body 6 which pivots together with the second member 2; a cam engaging member 5 which is engaged with the cam 4; and a counter-contraction spring 7 which pressingly biases the cam engaging member 5, the first installation body 3 is arranged within the tubular second installation body 6 in a rotatable and slidable manner; the second installation body 6 includes an opening 8 having a slit 9, and the opening 8 is expandable by provision of the slit 9; and when the counter-contraction spring 7 is installed, under the condition that the expandable opening 8 is expanded from an initial diameter and the counter-contraction spring 7 is then installed, the counter-contraction spring 7 is locked in the opening 8 in a non-disengeable manner at the position of the initial diameter after returning from the expanded diameter. The present invention also is an electronic apparatus using the hinge device.
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