Patent ID: 7596832
Filing Date: 2009-10-06
Classification: E05D,E05Y,Y10T

Abstract:
1. A rotational casing, which is associated with an electronic device and capable of rotating with respect to the electronic device, comprising: a main body, providing a projection part at a lateral side thereof, a hinge, being composed of a first hinge part and a second hinge part and the first hinge part being attached to another lateral side of the main body; wherein, the hinge parts have a connecting end respectively with one of the connecting ends being a pivotal hole and the other connecting end being a pivotal shaft corresponding to and inserting into the pivotal hole; one of the hinge parts has a movable part and the other hinge part has two limit units with the two limit units being disposed on the shaft corresponding to two limit ends of a moving range of the movable part for limiting the first hinge part and the second hinge part moving relative to each other within the moving range without excessive rotation, wherein the projection part of the main body has a central hole communicating with an internal space and an external space of the main body, wherein the main body is composed of a first casing part and a second casing part, wherein the first casing part has a first hole at an end thereof and a first protrusion with a curved wall at another end thereof, the second casing part has a second hole at an end thereof corresponding to the first hole and has a second protrusion at another end corresponding to the first protrusion and the projection part is formed with the first protrusion and the second protrusion.