A three-wheeled vehicle includes a vehicle frame supported by a single wheel engaging the ground in the front and two wheels engaging the ground in the rear. The operator area of the vehicle may include seating for a driver and a passenger, one in front of the other. The three-wheeled vehicle is uniquely designed so that it can be easily modified by addition or removal of additional structures after it is purchased. The vehicle is ultra-narrow but achieves stability by unique mechanisms.

A three-wheeled vehicle includes a vehicle frame supported by a single wheel engaging the ground in the front and two wheels engaging the ground in the rear. The operator area of the vehicle may include seating for a driver and a passenger, one in front of the other. The three-wheeled vehicle is uniquely designed so that it can be easily modified by addition or removal of additional structures after it is purchased. The vehicle is ultra-narrow but achieves stability by unique mechanisms.

Extreme labor-saving bicycle, comprising a front wheel assembly, a rear wheel assembly, a handle, a pedal, a frame, a connecting rod, a swinging rod, a seat and a transmission mechanism for transferring force of the swinging rod to the rear wheel assembly, wherein, the front wheel assembly and the rear wheel assembly are mounted at front end and rear end of the frame, the pedal is rotatably mounted at lower end of the middle of the frame, the swinging rod and the pedal are hinged to two ends of the connecting rod, the seat is fixed at a hinging end of the connecting rod and the swinging rod, and one end of the swinging rod away from the seat, is hinged to=front end of the frame and=connected with the rear wheel assembly through the transmission mechanism.

Extreme labor-saving bicycle, comprising a front wheel assembly, a rear wheel assembly, a handle, a pedal, a frame, a connecting rod, a swinging rod, a seat and a transmission mechanism for transferring force of the swinging rod to the rear wheel assembly, wherein, the front wheel assembly and the rear wheel assembly are mounted at front end and rear end of the frame, the pedal is rotatably mounted at lower end of the middle of the frame, the swinging rod and the pedal are hinged to two ends of the connecting rod, the seat is fixed at a hinging end of the connecting rod and the swinging rod, and one end of the swinging rod away from the seat, is hinged to=front end of the frame and=connected with the rear wheel assembly through the transmission mechanism.

A seat assembly for a mobility scooter has a seat portion for supporting an operator of the mobility scooter in use and a yoke arranged to receive the seat portion. The yoke has a mounting formation for mounting to a support member of the mobility scooter such that the yoke is removably mounted atop the support member and the seat portion is removably mounted atop the yoke in use. The yoke also has an attachment formation for releasable attachment of an arm-rest and a back-rest for the seat portion. The seat portion can be lifted off the yoke as a first component. The yoke can be lifted off the support member as a further component when removing the seat assembly from the mobility scooter

A seat assembly for a mobility scooter has a seat portion for supporting an operator of the mobility scooter in use and a yoke arranged to receive the seat portion. The yoke has a mounting formation for mounting to a support member of the mobility scooter such that the yoke is removably mounted atop the support member and the seat portion is removably mounted atop the yoke in use. The yoke also has an attachment formation for releasable attachment of an arm-rest and a back-rest for the seat portion. The seat portion can be lifted off the yoke as a first component. The yoke can be lifted off the support member as a further component when removing the seat assembly from the mobility scooter

Snow vehicle is disclosed. The snow vehicle includes a pair of runners configured to support the snow vehicle travelling over snow and/or ice, an electric motor, and a traction wheel, powered by the electric motor, and configured to cause a propulsion for the snow vehicle while rolling in contact with the snow and/or the ice. The traction wheel is positioned in front of the pair of runners.

A method for fixing a travel container to a motor vehicle includes arranging a vehicle with at least one back seat fixed to a frame of the vehicle. The seat includes a lower plate securable to a frame portion of the vehicle and a seat portion, opposite to the lower plate, is suitable as a user/passenger seat. A travel container has a container body, defining a storage compartment. A fixing plate associated with the container body includes a mount for the travel container. The travel container fixing plate is interchangeable with the lower plate of the seat. The seat is removed to provide access to an under-seat compartment and to the frame portion supporting the seat. The travel container is fixed to the vehicle to fix the fixing plate of the travel container to the frame portion supporting the seat. The travel container is arranged to replace the seat.

A method for fixing a travel container to a motor vehicle includes arranging a vehicle with at least one back seat fixed to a frame of the vehicle. The seat includes a lower plate securable to a frame portion of the vehicle and a seat portion, opposite to the lower plate, is suitable as a user/passenger seat. A travel container has a container body, defining a storage compartment. A fixing plate associated with the container body includes a mount for the travel container. The travel container fixing plate is interchangeable with the lower plate of the seat. The seat is removed to provide access to an under-seat compartment and to the frame portion supporting the seat. The travel container is fixed to the vehicle to fix the fixing plate of the travel container to the frame portion supporting the seat. The travel container is arranged to replace the seat.

A saddle type vehicle includes a seat rail and a seat that is attached to the seat rail. The seat rail includes an outer edge that is placed on an outward side in a vehicle body width direction and an inner edge that is placed on an inward side in the vehicle body width direction and higher than the outer edge. On the other hand, the seat includes a sitting part. When the sitting part sits on an upper surface of the inner edge, a side part of the seat surrounds (covers) the sitting part.