Patent ID: 8128543
Filing Date: 2012-03-06
Classification: A63B

Abstract:
1. A twist exerciser comprising: a base; a first gear unit comprising a first shaft and a first gear which is fixed to the first shaft, the first shaft rotatably connected to the base and the first gear co-rotated with the first shaft; a second gear unit comprising a second shaft and a second gear which is fixed to the second shaft, the second shaft rotatably connected to the base and the second gear co-rotated with the second shaft; a seat connected to a top end of the first shaft and co-rotated with the first gear; a feet rest having a first end fixed to the first shaft and a second of the feet rest having a transverse bar, and a handle unit having a handle which drives the second shaft, the handle unit comprising a driving post and a foam tube, the driving post having a top end connected to the handle and a bottom end of the driving post connected with the second shaft, the foam tube mounted to the driving post, the driving post comprising a spring, an upper tube unit and a lower tube unit, the upper tube unit having a top end connected to the handle and a ton end of the spring mounted to a bottom end of the upper tube unit, a lower end of the spring mounted to a top end of the lower tube unit and a bottom end of the lower tube unit connected to the second shaft, the foam tube mounted to the spring, the handle unit comprising an extension which is connected between the bottom end of the lower tube unit and top end of the second shaft, the upper tube unit comprising a lower tube, an upper tube and a bolt the lower tube inserted into the spring and a top end of the upper tube connected to the handle, a bottom end of the upper tube inserted into the lower tube, the upper tube including multiple positioning holes, the bolt extending through the lower tube and inserted into one of the positioning holes.