A miniature hinge includes a hinge housing, a first cam having a shaft portion, and a plurality of first can protrusions provided with facing cam surfaces defining a valley-shaped portion and an aperture passing through the first cam, a second cam having a plurality of second cam portions with a plu
A miniature hinge includes a hinge housing, a first cam having a shaft portion, and a plurality of first can protrusions provided with facing cam surfaces defining a valley-shaped portion and an aperture passing through the first cam, a second cam having a plurality of second cam portions with a plurality of opposite circumferential curved surfaces, a perforation passing through the second cam and a plurality of grooves formed on front end of the perforation to form an end hole, an elastic element received in the hinge housing and a hinge shaft having an axle, a circular board formed and a positioning seat. The positioning seat of the hinge shaft passes through the hinge housing, the elastic element, the first cam and the second cam. The hinge shaft is rotated in an angle in order to insert the positioning seat into the end hole of the second cam.
대표청구항▼
What is claimed is: 1. A miniature hinge comprising: a hinge housing having a circular wall to form a hollow space, the circular wall having an end wall at one end and an opening at another end, a circular hole being formed at the end wall; a first cam having a shaft portion and a plurality of firs
What is claimed is: 1. A miniature hinge comprising: a hinge housing having a circular wall to form a hollow space, the circular wall having an end wall at one end and an opening at another end, a circular hole being formed at the end wall; a first cam having a shaft portion and a plurality of first cam portions formed at the front end of the shaft portion and an aperture passing through the first cam, each first cam portion being provided with facing cam surfaces, at least a valley-shaped portion formed between the facing cam surfaces; a second cam having second cam portions which are provided with circumferential curved surfaces, a fixing portion extending forward from the second cam portions, a perforation having a plurality of lateral walls and passing through the second cam and grooves formed in the lateral walls of the perforation, the grooves forming an end hole and having a bottom surface formed at the rear end of the groove; an elastic element received in the hinge housing; and a hinge shaft having an axle, a circular board formed at one end of the axle and a positioning seat extending from the other end of the axle, the positioning seat having a rear surface, wherein during assembling process, the hinge shaft sequentially passes through the hinge housing, the elastic element, the aperture of the first cam and the perforation of the second cam, further the positioning seat of the hinge shaft protruding out of the perforation, then, the hinge shaft is rotated in an angle and seated in the end hole and the rear surface of the positioning seat abuts against the bottom surfaces of the grooves. 2. The miniature hinge as claimed in claim 1, wherein the positioning seat, the perforation and the end hole have the same shape. 3. The miniature hinge as claimed in claim 2, further comprising a pad having a through hole passing through the pad and a fringe board formed at the rear end of the pad, the through hole allowing the hinge shaft to pass through and the fringe board abutting the circular board of the hinge shaft. 4. The miniature hinge as claimed in claim 1, further comprising a pad having a through hole passing through the pad and a fringe board formed at the rear end of the pad, the through hole allowing the hinge shaft passing through and the fringe board abutting the circular board of the hinge shaft. 5. The miniature hinge as claimed in claim 1, wherein said elastic element is a spring.
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이 특허에 인용된 특허 (3)
Duan,Chao; Chen,Chia Hua, Hinge assembly for portable electronic device.
Doraiswamy, Sundarraj; Santos, Theodore R.; Larson, David, Preferential deflection hinge mechanism with an idler for foldable portable electronic devices.
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