| 摘要 |
A training device contains the bearing metal frame consisting of three profile tubes, two vertical and one horizontal generating U-shaped structure. To the middle of the upper horizontal tube, the L-shaped tube is attached. To the middle of the vertical part of the latter, the tube with diameter up to is attached with the handle at its end. To the internal sides of the vertical tubes, the cushions are attached via the pressure springs that are also attached via the extension springs to the upper horizontal shaped tube. Between the shaped tubes, the damping cords are strained. |
