Patent ID: 7878960

Claim:
A waistline slimming exercise machine comprising: a base, a swing mechanism and a pair of pedal elements, wherein: the base at its center position having a lower center connecting member with an internal assembly space, a through aperture and a locking aperture on two side walls, and the base further having a stop disposed at two shorter sides of the base; the swing mechanism comprising an upper center connecting member and an inclining swing arm disposed on two sides of the upper center connecting member, each swing arm having an assembly end disposed at the bottom of the upper end of the swing arm and each swing arm being combined with one end of a shock absorber, and another end of the shock absorber having a securing end; each swing arm being combined with a first linkage member, and each first linkage member having a first pivoting end on its upper end and a first assembly end on another end; the swing mechanism further having a second linkage member, one end of the second linkage member attached with a driving element, the driving element having a push-pull bar, a first connecting end and a second connecting end; the pedal elements being combined with the swing mechanism and each pedal element comprising a balance base and a pedal; each balance base defining a pivoting space below its bottom face and having a first aperture and a connecting aperture on two side walls and a hole at a center position of its upper face; the pedal having a rotating plate on its bottom face and a pivot axle aligned with the hole at its center position, and the pedal having an assembly aperture; wherein the upper center connecting member and the two swing arms of the swing mechanism are connected to the through aperture of the internal assembly space of the base with a combining aperture on the upper center connecting member, and the securing end of each shock absorber and the first assembly end of each first linkage members are screwed to a respective locking aperture on said sides adjacent the internal assembly space of the base; a second pivoting end of each swing arm is assembled onto the first aperture of each balance base; the first pivoting end of each first linkage member is assembled onto the connecting aperture of each balance base; the swing mechanism further including the second linkage member, the driving element at the other end of each second linkage member utilizing the first connecting end for attachment to a respective pedal; and with the movement of each first linkage member, the driving element of each second linkage member causes each pedal to rotate about a vertical axis when the pedals are moved up and down.