| 摘要 |
A hinge mechanism for pivotally connecting a flip onto a housing includes a bush, a spring, and a camshaft. The bush is connected to the flip and has a sidewall, a receiving space defined by the sidewall, and a protrusion. The protrusion is protruded from the sidewall. The camshaft has a first end, a second end, and a shaped notch. The shaped notch includes a first concave portion and a second concave portion, and the protrusion is slidably received within the shaped notch. The first end of the camshaft is slidably coupled to the bush, and the second end of the camshaft is restrictedly coupled to the housing. When the flip is pivoted on the housing, the bush simultaneously rotates around the pivoting axis of the hinge mechanism so that the protrusion slides within the shaped notch from the first concave portion to the second concave portion.
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