主权项 |
1. A transportable rowing unit, said rowing unit comprised of a horizontally extended frame, a foldable frame assembly, a pulling handle and pull cable, and a seat car,
the horizontally extended frame comprised of a main frame comprised of square cross section metal tubing with a nested square tube located slideably within the horizontally extended frame, the nested square tube possessing a smaller-diameter nested square tube within it, the nested square tube and the smaller-diameter nested square tube prevented from sliding within each other and said horizontally extended frame and held in place by means of two cam pins, the horizontally extended frame connected at one end to a foldable frame assembly, said assembly comprised of a foldeable frame, said foldable frame foldable around a lock nut, the foldable frame possessing at its end a wind-resistant flywheel and a gearing mechanism, the gearing mechanism connected via pull cable around the axis of the wind-resistant flywheel to the pull handle, the other end of the pull cable passing through said horizontally extended frame and the nested and smaller-diameter nested square tubes to an elastic system positioned at the end of the smaller-diameter nested square tube, said seat car mounted slideably on two sliding rails which are attached fixedly to the horizontally extended frame. |