Abstract: A riding device includes one or more cranks rotatably attached to a base, and a rider support supported on a carrier and movable relative to the base for supporting a rider, and a moving device for moving the carrier and the rider support relative to the base in an elliptical and reciprocating action, the rider support may be moved in different moving strokes relative to the base and may be adjusted up and down relative to the carrier. The base includes a column having a pivotal arm coupled to the carrier with a link for allowing the carrier and the link to be moved up and down relative to the base and for allowing the carrier and the rider support to be moved in different elliptical and reciprocating actions by the crank.

Abstract: A stepping exerciser includes a base having a pair of inclined pivot axles, a pair of foot pedals having one end rotatably attaching to the inclined pivot axles, to allow the foot pedals to be stepped downwardly and outwardly by a user, and a lever rotatably attached to the base and having two ends engaged beneath the foot pedals, to couple the foot pedals together, and to allow one of the foot pedals to be moved upwardly when the other foot pedal is stepped downwardly by the user. The lever includes two pads for engaging with the foot pedals. A resistive device may provide a resistive force against the foot pedals.

Abstract: A stationary exerciser includes two handles pivotally coupled to an upright support of a base, two foot supports each having a front portion coupled to the handles and moveable in a reciprocating action relative to the base and a rear portion coupled to a post of the base with two cranks, two links pivotally coupled between the cranks and the rear portions of the foot supports for allowing the rear portions of the foot supports to be swung relative to the cranks and the base, and a connecting device may connect the foot supports to the cranks for determining a movement of the foot supports relative to the base, and may adjust the moving strokes of the rear portions of the foot supports.

Abstract: A stationary exerciser includes two handles pivotally coupled to an upright support of a base and each having an upwardly extended hand grip and an outwardly extended arm, two foot supports each having a rear portion moveable in a reciprocating action relative to the base and a front portion coupled to the arms of the handles with coupling devices, and two links pivotally coupled between the lower portions of the handles and the foot supports for maintaining the arms and the handles and the foot supports in position and for allowing the arms and the foot supports to be moved in a curved moving stroke relative to the base and for allowing the moving stroke of the foot supports to be adjusted.

Abstract: A stationary exerciser includes an upright support for supporting a spindle and a shaft, two levers having an upper portion pivotally attached to the upright support with the shaft, two cranks rotatably attached to the upright support with the spindle and each having a pivot rod, and two foot supports each having a rear portion pivotally coupled to the lever and a middle portion pivotally coupled to the pivot rod of the crank, and a foot pedal attached to the front portion and moveable elliptically relative to the upright support for being stepped or actuated by the user to move along an elliptical moving path different from the circular cycling moving path of that of the pedaling or cycling exercisers.

Abstract: An exercise device includes two cranks rotatably coupled to an upright support of a base, two handles pivotally coupled to the upright support, and two foot supports each having a front portion pivotally coupled to the pivot rod of the cranks with a link and each having a rear portion pivotally coupled to the rear portion of the base, and the lower portions of the handles are pivotally coupled to the foot supports to allow the moving stroke of the foot supports to be controlled by the handles. The handles may be pivotally coupled together with a coupling device. A foot pedal may be pivotally supported on each of the foot supports and pivotally coupled to the handles.

Abstract: An exercise device includes two cranks rotatably coupled to an upright support of a base, two handles pivotally coupled to the upright support, and two foot supports each having a front portion pivotally coupled to the pivot rod or an extended arm of the cranks with a link and each having a rear portion pivotally coupled to the rear portion of the base, and the lower portions of the handles are pivotally coupled to the foot supports to allow the moving stroke of the foot supports to be controlled by the handles. The handles may be pivotally coupled to the cranks with levers. A foot pedal may be pivotally supported on each of the foot supports and pivotally coupled to the handles.

Abstract: An exercise device includes two cranks rotatably coupled to an upright support of a base, two handles pivotally coupled to the upright support, and two foot supports each having a front portion pivotally coupled to the pivot rod of the cranks with a link and each having a rear portion pivotally coupled to the rear portion of the base, and the lower portions of the handles are pivotally coupled to the foot supports to allow the moving stroke of the foot supports to be controlled by the handles. The handles may be pivotally coupled together with a coupling device. A foot pedal may be pivotally supported on each of the foot supports and pivotally coupled to the handles.

Abstract: An exercise device includes two cranks rotatably coupled to a rear portion of a upright support and each having a pivot rod, two handles having a middle portion pivoted to a front portion of the upright support with a spindle, two foot supports pivotally coupled to the handles and each having a middle portion pivotally coupled to the pivot rod of the cranks with a link, the front portions of the foot supports may be controlled by the handles to allow the foot supports to be actuated as a stepping exerciser when the front portions of the foot supports are stably held in place by the handles, and to allow the foot supports to be actuated as an elliptical exerciser when the handles are swung by the user.

Abstract: An exercise device includes two cranks rotatably coupled to a rear portion of a upright support and each having a pivot rod, two handles having a middle portion pivoted to a front portion of the upright support with a spindle, two foot supports pivotally coupled to the handles and each having a middle portion pivotally coupled to the pivot rod of the cranks with a link, and two levers pivotally coupled to the pivot rod and the handle and spaced away from the spindle for forming a polygonal coupling structure and for allowing the foot supports to be controlled by both the cranks and the link and the handles, and for allowing the foot supports to be moved elliptically relative to the upright support of the base.

Abstract: An exercise device includes two cranks rotatably coupled to a rear portion of a upright support and each having a pivot rod, two handles having a middle portion pivoted to a front portion of the upright support with a spindle, two foot supports pivotally coupled to the handles and each having a middle portion pivotally coupled to the pivot rod of the cranks with a link, and two levers pivotally coupled to the pivot rod and the handle and spaced away from the spindle for allowing the foot supports to be moved elliptically relative to the upright support of the base. The levers may be adjustably coupled to the handles with a motorized threaded member for adjusting the moving stroke of the foot supports.

Abstract: An exercise device includes two cranks rotatably coupled to a rear portion of a upright support and each having a pivot rod, two handles having a middle portion pivoted to a front portion of the upright support with a spindle, two foot supports pivotally coupled to the handles and each having a middle portion pivotally coupled to the pivot rod of the cranks with a link, and two levers pivotally coupled to the pivot rod and the handle and spaced away from the spindle for forming a polygonal coupling structure and for allowing the foot supports to be moved elliptically relative to the upright support of the base. The levers may be adjustably coupled to the handles for adjusting the moving stroke of the foot supports.

Abstract: A cambering vehicle for human propelled transport comprises an elongate front column, first and second pivot axles at the front column, a first trailing arm pivotally attached to the first pivot axle, a second trailing arm pivotally attached to the second pivot axle, a front ski associated with the elongate front column, and, first and second rear skis associated with said first and second trailing arms. The first and second pivot axles may be inclined downward. Separately, a ski may be adapted for attachment to a conventional cambering vehicle having a front tube with a fork, where the ski comprises a surface having a rear section, mid-section, and front section, the surface being relatively flat at its rear section and mid-section, but curving upward at its front section, and an attachment mechanism for attachment to the fork.

Abstract: A riding device includes one or more cranks rotatably attached to a base, and a rider support supported on a carrier and movable relative to the base for supporting a rider, the carrier has a front portion pivotally coupled to the base with a link and an arm and a rear portion coupled to the cranks for moving cyclically relative to the base and for allowing the carrier to be moved in an elliptical and reciprocating action relative to the base by the crank device, and the rider support is supported on the carrier and moved in concert with the rider support for supporting the rider, and an actuating device may be used for actuating the carrier and the rider support to move relative to the base in an elliptical and reciprocating action.

Abstract: A riding device includes one or more cranks rotatably attached to a base, and a rider support supported on a carrier and movable relative to the base for supporting a rider, the carrier has a front portion for swinging relative to the base and a rear portion pivotally coupled to the cranks for moving cyclically relative to the base and for allowing the carrier to be moved in an elliptical and reciprocating action relative to the base by the crank device, and the rider support is supported on the carrier and moved in concert with the rider support for supporting the rider, and the carrier and the rider support may be moved relative to the base in an elliptical and reciprocating action by the rider.

Abstract: A riding device includes one or more cranks rotatably attached to a base, and a rider support supported on a carrier and movable relative to the base for supporting a rider, the carrier has a front portion for swinging relative to the base and a rear portion pivotally coupled to the cranks for moving cyclically relative to the base and for allowing the carrier to be moved in an elliptical and reciprocating action relative to the base by the crank device, and the rider support is supported on the carrier and moved in concert with the rider support for supporting the rider, and an actuating device may be used for actuating the carrier and the rider support to move relative to the base in an elliptical and reciprocating action.

Abstract: A riding device includes a crank device rotatably attached to a base, and a rider support supported on a carrier and movable relative to the base for supporting a rider, the carrier has a front portion pivotally coupled to the base and a rear portion coupled to the cranks for moving cyclically relative to the base and for allowing the carrier to be moved in an elliptical and reciprocating action relative to the base by the crank device, and a motor or motorized rotating device for rotating the crank device relative to the base in the cyclic and reciprocating action to actuate the carrier and the rider support to move relative to the base in an elliptical and reciprocating action.

Abstract: A riding device includes one or more cranks rotatably attached to a base, and a rider support supported on a carrier and movable relative to the base for supporting a rider, the carrier has a front portion for swinging relative to the base and a rear portion pivotally coupled to the cranks indirectly with a pendulum for moving cyclically relative to the base and for allowing the carrier to be moved in an elliptical and reciprocating action relative to the base by the crank device, and the rider support is supported on the carrier and moved in concert with the rider support for supporting the rider, and the carrier and the rider support may be moved relative to the base in an elliptical and reciprocating action by the rider.

Abstract: A riding device includes one or more cranks rotatably attached to a base, and a rider support supported on a carrier and movable relative to the base for supporting a rider, the carrier has a front portion for swinging relative to the base and a rear portion pivotally coupled to the cranks indirectly with a pendulum for moving cyclically relative to the base and for allowing the carrier to be moved in an elliptical and reciprocating action relative to the base by the crank device, and the rider support is supported on the carrier and moved in concert with the rider support for supporting the rider, and the carrier and the rider support may be moved relative to the base in an elliptical and reciprocating action by the rider.