Patent ID: 8900105

Claim:
A slimming machine comprising U-shaped left and right arm tubes and resiliently retractable mechanisms that are respectively attached to two ends of the left and right arm tubes, wherein each resiliently retractable mechanism includes an inner joint cover, an outer joint cover and a torsion spring, left and right splice sleeves that are fixed on the respective inner and outer joint covers are connected with inner chambers of the joint covers, the outer joint cover can be rotationally mounted on the inner joint cover via a connecting shaft, the torsion spring is sheathed on the connecting shaft with one end disposed in the left splice sleeve and the other end in the right splice sleeve, and the left and right splice sleeves are fixed on the respective left and right arm tubes; wherein on one of the outer joint covers is disposed with a multi-functional digital meter; and wherein said multi-functional digital meter includes a support, functional buttons, a control circuit and a digital display, in which the functional buttons, the control circuit and the digital display are disposed on the support, on the support is disposed with a buckle, on the end surface of the outer joint cover is disposed with a chamber corresponding to the support, a buckle seat matching the buckle is disposed in the chamber, the support is disposed in the chamber of the outer joint cover and fixed on the buckle seat via the buckle.