Patent ID: 9254895
Filing Date: 2016-02-09
CPC Classification: B63B,B63H,F01D

Claim Text:
1. A water bike using a floating body, the water bike comprising: a plurality of floating bodies each of which has a spherical shape or a sphere-like shape, wherein one of the plurality of floating bodies is disposed at a front side of the water bike in a forward advancing direction of the water bike, and two of the plurality of floating bodies are disposed at a rear side of the water bike; a body frame configured to connect the plurality of floating bodies to one another, wherein the body frame connects the plurality of floating bodies by using three connection rods that are respectively attached to or detached from the floating bodies along a direction toward centers of the plurality of floating bodies; a driver chair disposed over the body frame; handles configured to manipulate a moving direction of the water bike and connected to a rudder that is disposed at a rear side of the water bike; pedals disposed on the body frame adjacent to the floating body that is disposed at the front side to provide a driving force so that the water bike moves forward; a cylindrical housing including a motor and disposed under the driver chair and over the body frame; and a power transmission assembly for rotating a screw propeller that is disposed under the body frame in the water by using a driving force generated by the pedals or the motor, wherein the power transmission assembly rotates the screw propeller through a bevel gear that is coupled to and engaged with an input gear arranged on a circumference portion of the cylindrical housing.