a pair of gears driven by the weight of the body, which, restricting alternately with the foot on each of them, makes the plan of support. the bike straight.turned circular nature, is forwarded, suitably amplified, the

摘要

it is a means of locomotion of individual to be used for sport or recreation. it is composed of a pair of identical tools, on which are supported the feet. the drawings attached, which reproduce one of the tools are: - view from the top in fig. 1 rear view in fig. 2 - front view in fig.3 - side view with plan of support in superior position in fig. 4 - side view with plan of support in position below in fig. 5 - sections different in figs. from 6 to 11. the "p" (fig. 1), driven by a foot which carries the weight of the body, moves downwards and the