Sliding apparatus for roller skate shoe

Abstract

A sliding apparatus for a roller skate shoe includes a roller seat fixed to a rear section of a sole of a shoe body. The roller seat is formed with an accommodating slot, which is combined with a roller assembly through assembling elements. The roller assembly includes a pivoting frame having a center formed with a long slot. Each of two sides of the long slot is formed with a shaft hole seat for supporting and positioning a rotating shaft. The rotating shaft passes through several rollers that may be rotated freely to move the roller skate shoe. Thus, the roller assembly can be replaced with a new one so that the lifetime of the roller skate shoe is lengthened and the environment protection effect can be achieved.

1 . A sliding apparatus for a roller skate shoe, the sliding apparatus being disposed on a rear section of a sole of a shoe body so that the shoe body may slide, the sliding apparatus mainly comprising:
 a roller seat, which is fixed to the rear section of the sole of the shoe body and has a first accommodating slot; and   a first roller assembly, which is removably assembled in the first accommodating slot of the roller seat through assembling elements, wherein the first roller assembly has a pivoting frame having a center formed with a long slot, each of two sides of the long slot is formed with a shaft hole seat, a center of each of the shaft hole seats is formed with a shaft hole, through which a rotating shaft passes so that the rotating shaft may be rotated relative to the shaft hole, and a bearing is inserted into a center of each of rollers of the first roller assembly so that the rotating shaft after passing through the rollers and the bearings can be freely rotated relative to the pivoting frame.   
   
   
       2 . The sliding apparatus according to  claim 1 , further comprising a second roller assembly, wherein the first and second roller assemblies respectively have a smaller size and a larger size, the roller seat further has a second accommodating slot, the first and second accommodating slots are respectively disposed on a front portion and a rear portion of the roller seat, the first accommodating slot has a smaller size to accommodate the first roller assembly with the smaller size, the second accommodating slot has a larger size to accommodate the second roller assembly with the larger size so that the shoe body slightly tilts down to meet a human engineering requirement and to provide a braking function. 
   
   
       3 . The sliding apparatus according to  claim 1 , wherein the roller seat further has a second accommodating slot, the first and second accommodating slots are respectively disposed on a front portion and a rear portion of the roller seat, cut corners are formed at external corners of the roller seat, a recessed embedding portion is formed below each of the cut corners, through holes are formed at a peripheral portion of the roller seat and a connection portion between the first and second accommodating slots, and a material forming the sole may fill into the through holes so that a connection between the roller seat and the sole is enhanced. 
   
   
       4 . The sliding apparatus according to  claim 1 , wherein the roller seat further has a second accommodating slot, the first and second accommodating slots are respectively disposed on a front portion and a rear portion of the roller seat, each of two lateral sidewalls of each of the accommodating slots is formed with a concave and semi-circular socket for positioning the shaft hole seat of the pivoting frame. 
   
   
       5 . The sliding apparatus according to  claim 4 , wherein a sidewall of each of the sockets is additionally formed with a socket hole with a reduced diameter so that the socket hole supports one end of the rotating shaft passing through the shaft hole seat. 
   
   
       6 . The sliding apparatus according to  claim 1 , wherein the rotating shaft has a bigger head and is formed with a groove near a tail end of the rotating shaft, and the groove may be engaged with a C-ring. 
   
   
       7 . The sliding apparatus according to  claim 1 , wherein flanges extending inwards are formed on opposite sides of each of the shaft hole seats on two sides of the long slot of the pivoting frame, and the flanges support the bearings through which the rotating shaft passes. 
   
   
       8 . The sliding apparatus according to  claim 1 , wherein a center hole for accommodating the bearing is formed on one side of the center of each of the rollers, a countersink hole is formed on the other side of the center of each of the rollers, and a positioning ring is embedded into the opposite countersink holes of the rollers to fix a relative position between the rollers on the same rotating shaft. 
   
   
       9 . The sliding apparatus according to  claim 1 , further comprising a second roller assembly, wherein the first and second roller assemblies respectively have a smaller size and a larger size, and a plurality of assembling holes is correspondingly disposed on the roller seat and the pivoting frame of the first roller assembly and a pivoting frame of the second roller assembly so that the assembling elements respectively pass through the assembling holes to achieve a combination effect.