| 摘要 |
A hinge device of portable equipment and telephones uses fewer parts, facilitating an assembly and reducing the costs while enabling complex operations. The device includes a first portion for rotably connecting a first case body and a second case body constituting a portable telephone, with each other around a first hinge pin, and a second portion for rotably connecting the hinge pin perpendicular to the first hinge pin. The second portion includes the second hinge pin and a second cam mechanism with biasing assembly that controls rotation of the hinge body. The first portion includes a hinge case body the first hinge pin, and a first cam mechanism with biasing assembly that controls rotation of the hinge body. At least one of the first and second cam mechanisms includes a double-sided cam having a double-sided cam portion. |
