This invention contains different designs of ski, snowboard, and wheel supports that attach to an existing bicycle frame. The ski and wheel supports are interchangeable. This allows easy transformation of a bicycle to a ski bike, snowboard bike, electric bike, or pedal bike. Rider simply attaches the desired ski/wheel supports, depending on the activity desired. The brake and gear controls are easily changed out by replacing the entire steering bar. It saves people the necessity of buying and storing three different types of bikes. The bikes are also light weight and easily transported on the bike rack or lift.

A chainless bicycle for child includes a frame and a power gearing device. The frame has a seat tube between the front wheel and the rear wheel, with a passive gear axially disposed on a hub of the rear wheel. The power gearing device is disposed on the frame between the seat tube and the rear wheel. The power gearing device includes an active gear and a transmission gear meshed with the active gear. The transmission gear is meshed between the active gear and the passive gear. The power gearing device further includes a crank set disposed on two sides of the active gear for driving the active gear to rotate. Therefore, the passive gear is driven through the transmission gear to rotate in an identical direction with the active gear. Thus, the meshing structure of the present invention improves the safety of children.

A tri-mode collapsible scooter includes: a deck; a stem; handlebars; a head tube; a neck hinge; a deck hinge; a wheelset; a neck control; and a deck control. The deck includes: a front deck section; a rear deck section; and a deck hinge interposed between the front deck section and the rear deck section. The neck control is configured to release the neck hinge for transition between an open neck position and a closed neck position. The deck control is configured to release the deck hinge for transition of the deck between an open deck position and a closed deck position. The deck hinge occupies the open deck position and the neck hinge occupies the open neck position in a ride mode; and the deck hinge occupies the closed deck position and the neck hinge occupies the closed neck position in a tow mode.

A snow vehicle is disclosed comprising a vehicle frame, a propulsion unit coupled to the frame, and at least one front ski steered by a steering mechanism. The front of the vehicle includes a first front suspension and a second front suspension coupled to the ski. The rear suspension includes a bumper assembly preventing bottoming out of the rear suspension. The rear suspension is coupled to the vehicle frame such that the longitudinal spacing between the vehicle frame and rear suspension is adjustably controllable.

A snow vehicle is disclosed comprising a vehicle frame, a propulsion unit coupled to the frame, and at least one front ski steered by a steering mechanism. The front of the vehicle includes a first front suspension and a second front suspension coupled to the ski. The rear suspension includes a bumper assembly preventing bottoming out of the rear suspension. The rear suspension is coupled to the vehicle frame such that the longitudinal spacing between the vehicle frame and rear suspension is adjustably controllable.

A bike having an automatic landing wheel apparatus includes a left landing wheel arm on the left side of the bike to vertically move a left landing wheel rotatably coupled to the lower end portion thereof. A right landing wheel arm on the right side of the bike vertically moves a right landing wheel rotatably coupled to the lower end portion thereof. A left driving unit drives the left landing wheel arm to move the left landing wheel upward and downward. A right driving unit drives the right landing wheel arm to move the right landing wheel upward and downward. A speed detection unit detects the speed of the bike. A controller is connected with the speed detection unit, the left driving unit, and the right driving unit to move the left and right landing wheels upward or downward in response to the detected speed of the bike.

A system is configured to transport a person along with luggage by providing a foldable, slidable, or otherwise collapsible, platform as part of a luggage-transportation system, with the platform configured to hold a person moving with the luggage. The system comprises a container configured to receive content such as apparel, a handle coupled to the container, and a platform with at least one wheel. The platform is movably coupled to the container at an edge proximal to the container such that, when moved into an open configuration, the platform is suitable for holding a standing person.

A front fork assembly of a snow bike is disclosed having left and right legs, each having an upper leg portion and a lower leg portion. The left leg upper and lower leg portions are linearly movable relative to each other. A right leg has an upper leg portion and a lower leg portion, the right leg upper and lower leg portions are linearly movable relative to each other. A ski mount has a lower end for coupling to a ski and an upper end for coupling to the left and right leg. A linear force element is coupled to the left and right legs with a first end adjacent the first ends of the forks and seconds ends coupled to the ski, the linear force element has a different linear force characteristic than the left and right legs.

A micromobility electric vehicle with a controller that operates the vehicle in a walk-assist mode, expanding the population of users that can comfortably use the vehicle. In walk-assist mode, the speed of the vehicle may be limited to a walking speed, regardless of the position of a throttle. In contrast, in a riding mode, the maximum speed may be higher. The walk-assist mode may be entered or exited based on output of one or more sensors, indicating that the user is or is not riding the vehicle or that a user is or is not pushing the vehicle. Such sensors may be positioned in a seat, in a floorboard or on the handlebars of the vehicle. Alternatively or additionally, the sensor may be associated with a control, such as a tab configured to be pressed by a user's thumb when the user is pushing the vehicle.

A micromobility electric vehicle with a controller that operates the vehicle in a walk-assist mode, expanding the population of users that can comfortably use the vehicle. In walk-assist mode, the speed of the vehicle may be limited to a walking speed, regardless of the position of a throttle. In contrast, in a riding mode, the maximum speed may be higher. The walk-assist mode may be entered or exited based on output of one or more sensors, indicating that the user is or is not riding the vehicle or that a user is or is not pushing the vehicle. Such sensors may be positioned in a seat, in a floorboard or on the handlebars of the vehicle. Alternatively or additionally, the sensor may be associated with a control, such as a tab configured to be pressed by a user's thumb when the user is pushing the vehicle.