A mechanism mounted on a stationary exercise bicycle including a frame, a rear seat, a front drive mechanism having a pedal at either side, and a numeric display is disclosed. In one embodiment, the mechanism includes a mounting assembly fixedly mounted at one side of the frame and including upper and lower mounting lugs; and an arm including an upper section secured to the display and a lower section having a distal end releasably secured to the upper section and a proximal end pivotably fasten...

An exercise device includes a right and a left belt part arranged in connection with the right and the left pedal part. The belt parts are arranged to travel as an endless loop around sheaves. A right and a left rod part, each has a first end and a second end. The right footrest is fastened to the right belt part and the left footrest to the left belt part. The first end of the right rod part is fastened to the right belt part and the second end is pivoted to the frame structure. The first end o...

An exercise bicycle including a frame having a seat and handlebars, a high-inertia flywheel having a hub at a center of rotation, the flywheel being rotatably supported on the frame at the hub, and a drive train including a drive sprocket, a crank arm attached to and extending from the drive sprocket, and a pedal attached to the crank arm, the drive train being rotatably supported by the frame. The drive train also includes a slave sprocket fixed to the flywheel at the hub, with the drive and sl...

Disclosed is a treadmill for enabling a user to tread and twist. The treadmill includes a base, a post extended from the base, a pivotal unit including two inclined axles extended from the post, two treadles each connected to a related one of the inclined axles, two hydraulic cylinders each comprising an end connected to a related one of the treadles and another end connected to the base and a linking unit. The linking unit includes two cranks each connected to a related one of the inclined axle...

A body-training bicycle comprises: a seat has a long central rod; a driving portion having a treading portion, a driving wheel connected to at least one treadle, a flywheel and a driving belt; the rotation of the flywheel will make the power generator generating power; an electric control portion having a control panel, a battery unit, a magnetic resisting unit, a displacement controller, and electric wires; the battery unit serving to store power from the flywheel; the magnetic coil set being i...

A bicycle roller training system of the type having three rollers for supporting a freestanding bicycle uses rollers of a novel design. The rollers comprise a cylindrical middle portion of a uniform first diameter, two end portions of a second diameter larger than the first diameter, and two transitional portions between the middle portion and the end portions. The length of the middle portion is greater than the tread width of a tire of a bicycle with which the apparatus is used. The transition...

A novel stationary exercise bicycle and method for exercising on that bicycle is disclosed. The novel bicycle, comprising a frame having front and rear sockets, a seat mounted into the rear socket, and a handlebar mounted in the front socket, can advantageously be adjusted so that a rider can adopt different riding positions to simulate outdoor bicycle riding conditions.

A fixed safety handle of an elliptical cross trainer includes a fixed safety handle disposed near the top of a primary upright frame of an elliptical cross trainer, extended in direction of the operator, and bent in U-shape. The fixed safety handle includes a first holding member extending downwardly from both ends of the fixed safety handle and a second holding member extending laterally from the first holding member in direction to the outside such that the second holding member is located bey...

The present invention discloses a fitness machine with elliptical and stepping functions for integrating a stepping exercise and an elliptic exercise for exercising users' legs as well as a swing exercise for exercising users' arms. The fitness machine comprises a frame, two sliding rods, two pedals, and two support rods. If the two support rods are fixed to the frame, the two pedals will be limited such that the two pedals produce an up-and-down stepping exercise. If the two support rods are fi...

An automatically adjusting magnetic resistance unit for an exercise device such as a bicycle trainer, in which the degree of resistance is automatically and non-linearly adjusted in relation to the rotational speed of a rotating member caused by the input of a user. The rotating member may be in the form of a flywheel having a number of supports extending between a hub and a rim. The supports define longitudinal grooves which slidably retain magnets that are biased inwardly toward the hub by bia...