| 摘要 |
PROBLEM TO BE SOLVED: To provide a hinge unit which is convenient in use and lowers energy loss and has a longer life with less wear. SOLUTION: The hinge unit for a portable electronic device includes a button cover, a button, a first locking member, a cylindrical member, a control member, a first elastic member, a lock member, a second elastic member, a driven member, a hinge shaft, a cam, and a second locking member. COPYRIGHT: (C)2007,JPO&INPIT |
