Patent ID: 7211058

Claim:
An electric-powered mechanical single-plank bed, comprising: a bed base; a bed plank disposed over said bed base, said bed plank having a plurality of conical fixing members; a plurality of driving frames disposed under said bed plank; a plurality of hanging frames, respectively disposed at a front left, a front right, a rear left and a rear right position of the bed base, each hanging frame having a rod stand; a plurality of suspending stands disposed under the bed plank; a plurality of suspensors, each being installed between a respective hanging frame and a respective suspending stand for sustaining a heavy weight; a plurality of motive power motors installed on said bed base, each motive power motor having a spindle; a plurality of cams, each cam being installed on the spindle of a respective motive power motor and being engaged to a respective driving frame, so that when said motive power motors are turned on, the cams are driven, causing said bed plank to be pushed back and forth by said cams to produce a back-and-forth or sideway sway, to achieve a swaying effect; and a plurality of conical fixing members; wherein said hanging frames and said suspending stands are provided for hanging said suspensors, and for coupling said bed base with said bed plank, and wherein each rod stand includes a conical hole, such that a respective conical fixing member is installed into a respective conical hole, and a turning angle of 360 degrees on a conical surface achieves a free movement without any restricted angle.