Roller skate

Abstract

A roller skate is disclosed, in which two wheels are provided, and width can be freely adjusted, and the wheels can be detachably attached to a rear side of a shoe with a band, and the wheels are moved down when used, and the wheels are moved up when not used by allowing the wheels to rotate up and down. So, when not used, the user can walk like the shoes are worn in real. The movement and wearing are easy, and the size can be freely adjusted, and it is very easy to start, run and stop.

1 . A roller skate characterized in that a first side plate  10   a  having a female engaging part  11   a  and a second side plate  10   b  having a male engaging part  11   b  engaged with the female engaging part  11   a  are provided, and the male engaging part  11   b  is fixedly inserted into the female engaging part  11   a,  and the first and second side plates  10   a  and  10   b  are engaged, and a footrest  20  is engaged at each female and male engaging part  11   a,    11   b  for a braking operation, and circular guide plates  12   a  and  12   b  are formed at one side of each of the first and second side plates  10   a  and  10   b,  and the first fixing holes  13   a  and  13   b  and the second fixing holes  14   a  and  14   b  are formed at the upper sides of the guide pieces  12   a  and  12   b,  ands the band engaging holes  15   a  and  15   b  engaged with the band  30  are formed at the upper sides of the first and second side plates  10   a  and  10   b,  and the guide parts  42  corresponding to the guide pieces  12   a  and  12   b  are formed one side of each of the first and second wheel frames  40   a  and  40   b,  and the receipt grooves  43  are formed at the upper sides of the guide parts  42 , and the fixing pins  44   a  and  44   b  are elastically supported by the spring  45 , and the guide parts  42  are inserted into the guide pieces  12   a  and  12   b,  and the first and second wheel frames  40   a  and  40   b  are rotatably engaged at the first and second side plates  10   a  and  10   b  with the help of the rivet  50   a  and washer  50   b,  and the fixing pins  44   a  and  44   b  are selectively inserted into the first and second fixing holes  13   a,    13   b  and  14   a,    14   b  depending on the positions of the first and second wheel frames  40   a  and  40   b.    
   
   
       2 . The skate of  claim 1 , wherein said female engaging part  11   a  has a guide hole  16  at both sides, and an adjusting nut  17  is provided between the guide holes  16 , and a guide rod  18  inserted into the guide hole  16  is formed at both sides of the male engaging part  11   b,  and an adjusting bolt  19  engaged with the adjusting nut  17  is rotatably formed between the guide rods  18 , and the guide rod  18  of the male engaging part  11   b  is movably inserted into the guide hole  16  of the female engaging part  11   a,  and the adjusting bolt  19  of the male engaging part  11   b  is engaged with the adjusting nut  17  of the female engaging part  11   b,  and the interval between the first and second side plates  10   a  and  10   b  is adjusted depending on the rotation of the adjusting bolt  19 .