Patent ID: 7244179

Claim:
A suspension type oscillation mechanism comprising: a) a suspended article; b) a frame set having an upper frame having a frame hole; c) a casing connected to the frame set and having a casing hole; d) a crank set having a plurality of cranks, each of the plurality of cranks is pivotally connected at an end thereof to an end of an adjacent one of the plurality of cranks, a first end crank of the plurality of cranks is eccentrically connected to an output shaft of a motor, a second end crank of the plurality of cranks has a non-circular crank hole; e) an axial barrel having a cylindrical shape and inserted through the frame hole of the upper frame and the casing hole of the casing; f) a bearing set connected to the casing and having an inner bearing, the axial barrel having a first end pressing against the inner bearing and a second end pressing against the second end crank at the non-circular crank hole; g) a fastening rod set having a screw rod and a rod seat, the screw rod is inserted through the axial barrel and connected at a first end to the suspended article and at a second end to the second end crank, the rod seat is located in an interior of the suspended article and connected to the first end of the screw rod; and h) a collar, the suspended article is secured to the fastening rod between the rod seat and the collar, wherein an output of the motor drives the suspended article to oscillate a predetermined distance.