Skateboard

Abstract

A body 11 that constitutes a skateboard is formed into a U shape with bases of a pair of plate-like legs 14, 15 being integrated, and end portions 17, 18 of the legs 14, 15 are relatively displaceable in a thickness direction by elasticity of the body 11 . The end portions 17, 18 of the legs 14, 15 are coupled by a coupling member 19 . One wheel 12 is provided on a lower surface of an integral portion 16 at the base ends, and the other wheel 13 is provided on a lower surface of the coupling member 19 . The step board 41 is placed between the end portions 17, 18 of the legs 14, 15 , and has contact portions 46, 53 that come into contact with the legs 14, 15 by following displacement of the end portions 17, 18 of the legs 14, 15 in the thickness direction.

What is claimed is: 
     
         1 . A skateboard comprising:
 a body;   wheels at front and rear of a lower surface of the body;   a coupling member; and   a step board,   wherein the wheels are constituted by swingable casters having an inclined pivot,   the body is formed into a U shape with bases of a pair of plate-like legs being integrated, end portions of the pair of legs are relatively displaceable in a thickness direction thereof by elasticity of the body, the end portions of the pair of legs are coupled by the coupling member so as to be displaceable in the thickness direction,   one of the swingable casters is provided on a lower surface of the integrated bases of the pair of legs, the other of the swingable casters is provided on a lower surface of the coupling member, and   the step board is placed between the end portions of the pair of legs and has a contact portion that comes into contact with the legs by following displacement of the end portions of the legs in the thickness direction.   
     
     
         2 . The skateboard according to  claim 1 , wherein the step board is mounted to the coupling member. 
     
     
         3 . The skateboard according to  claim 1 , wherein the step board is pivotable around an axis in a front-back direction of the skateboard, the end portions of the pair of legs have contact surfaces with which the contact portion of the step board comes into contact by following displacement of the end portions of the legs in the thickness direction, and at least one of the contact surfaces of the legs and the contact portion of the step board has a curved surface. 
     
     
         4 . The skateboard according to  claim 1 , wherein the coupling member and one and the other legs are coupled by hinges. 
     
     
         5 . The skateboard according to  claim 3 , wherein the contact portion of the step board is pressed against the contact surfaces of the legs by spring elasticity. 
     
     
         6 . The skateboard according to  claim 3 , further comprising a holding member for holding the step board in a certain position when the contact portion of the step board moves from the contact surfaces of the legs.