| 摘要 |
Disclosed is an opening and closing device for a hinge, which is capable of automatically opening and manually closing a product having a foldable body. The present invention includes a fixed housing to be fixed to a first body and a movable housing to be fixed to a second body. The movable housing is disposed on the same axial line with the fixed housing and relatively rotatable with respect to the fixed housing. The fixed housing is coupled with a fixed cam having a cam surface formed at one end thereof. In addition, an opening and closing device for electronic equipment according to the present invention further includes a slide cam, a slide cam supporting member, a releasing member, a compression torsion spring, a movable cam, and a movable cam pressing spring. The present invention enables the straight-motion restoring operation of the slide cam and the rotation-motion restoring operation of the cam supporting member by the compression torsion spring having a simple structure. |
