Patent ID: 8179668

Claim:
A handheld electronic device, comprising: a lower body having a carrying surface and a recess on the carrying surface exposed at two opposite sides adjacent to a first side of the carrying surface; an upper body disposed on the carrying surface and having a first end and a second end opposite to the first end; a sliding mechanism, disposed between the upper body and the lower body, wherein the sliding mechanism comprises a first sliding member and a second sliding member, which are configured to slide relative to each other, and the first sliding member is connected to the upper body; and a pivot axle, disposed at the first side of the carrying surface and located between the recess and the first side, the pivot axle being connected to the second sliding member and the lower body, wherein when the handheld electronic device is transformed from a retracting state to a spreading state, the first end of the upper body slides from a position immediately on the lower body to a position outside the first side of the carrying surface, and then when the upper body reaches a predetermined position, the upper body rotates along the pivot axle relative to the lower body, and the second end of the upper body enters the recess whereby the carrying surface of the lower body and a top surface of the upper body have an included angle, which is larger or equal to 90 degree and smaller than 180 degree; and a U-shaped ring disposed at a side of the lower body along the first side of the carrying surface, wherein two arms of the U-shaped ring extends to the two opposite sides to cover the recess and rotates relative to the lower body via the pivot axle together with the upper body.