Sporting and exercise apparatus

Claim 1

A sporting and trimming apparatus movable by muscular power consisting of an undercarriage with an elongated area for a user and supported on the ground by at least two wheels and a hand-lever drive for converting lever motion into rotary motion of at least one of said wheels, wherein the hand-lever drive is mounted on a pivot point in the undercarriage and has a hinge on which is articulated a drive element comprising two racks which act upon a respective gear lodged in a drive axle in a manner such that, when the direction of movement is the same, said racks actuate to the right and to the left the corresponding gear and wherein each time only one gear causes the drive axle to rotate along with it via associated free wheels while the other gear spins freely in an opposite direction, characterized in that the position of said racks (5,6) upon said gears (7,8) is defined by an additional guide rail (13), said guide rail (13) being firmly connected with racks (5,6) and sliding upon a ball bearing (16) which is mounted upon said drive axle (9) and enbraces it on both sides for laterally guiding said drive element (4).