Roller skate

Abstract

A roller skate ( 10, 110, 210, 310, 410, 510 ) comprising a flexible insole ( 11 ) and a plurality of rollers ( 16, 216 ) associated with said insole ( 11 ), means ( 18 ) being provided for the wearability of said insole ( 11 ).

1 . Roller skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) characterized in that it comprises a flexible insole ( 11 ) and a plurality of rollers ( 16 ,  216 ) associated with said insole ( 11 ), means ( 18 ) being provided for the wearability of said insole ( 11 ). 
     
     
         2 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 1 , characterized in that said insole ( 11 ) is elastically deformable. 
     
     
         3 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to any one of the previous claims, characterized in that said insole ( 11 ) is made from plastic material or rubber. 
     
     
         4 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to any one of the previous claims, characterized in that said means ( 18 ) comprise an upper ( 12 ) that is perimetrically connected to said insole ( 11 ). 
     
     
         5 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 4 , characterized in that said upper ( 12 ) is flexible. 
     
     
         6 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to any one of the previous claims, characterized in that said insole ( 11 ) is anatomical and in it a toe portion ( 11   a ), a substantially plantar vault-shaped intermediate portion ( 11   b ) and a heel portion ( 11   c ) are defined. 
     
     
         7 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 6 , characterized in that the rollers ( 16 ,  216 ) are associated with the toe portion ( 11   a ) and with the heel portion ( 11   c ) of the insole ( 11 ). 
     
     
         8 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to any one of the previous claims, characterized in that said plurality of rollers ( 16 ,  216 ) is carried by at least two distinct supports ( 14 ), a portion of one or more rollers ( 16 ,  216 ) projecting from one part of each support ( 14 ), said supports ( 14 ) being connected below the insole ( 11 ). 
     
     
         9 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 8 , characterized in that said supports ( 14 ) are flexible and elastically deformable. 
     
     
         10 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 8 , characterized in that two supports ( 14 ) are provided, a front-of-foot support ( 14 ) being associated with a toe portion ( 11   a ) of the insole ( 11 ), a back-of-foot support ( 14 ) being associated with a heel portion ( 11   c ) of the insole ( 11 ). 
     
     
         11 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 10 , characterized in that said back-of-foot support ( 14 ) carries a roller ( 16 ), arranged substantially at a lower end of the rear tuberosity of the calcaneal bone of the foot destined to wear said insole ( 11 ). 
     
     
         12 . Skate ( 10 ,  110 ) according to  claim 10  or  11 , characterized in that said front-of-foot support ( 14 ) carries two rollers ( 16 ), which are advantageously arranged substantially at a front end of the first metatarsus and substantially at a front end of the fifth metatarsus of the foot destined to wear said insole ( 11 ). 
     
     
         13 . Skate ( 10 ,  110 ) according to  claim 10 , characterized in that a roller ( 16 ) of the back-of-foot support ( 14 ) and two rollers ( 16 ) of the front-of-foot support ( 14 ) are arranged at the vertices of a triangle, with a side extending transversally to the longitudinal axis (A-A) of the insole ( 11 ) substantially at the toe portion ( 11   a ) thereof and vertex opposite said side substantially at the heel portion ( 11   c ) thereof. 
     
     
         14 . Skate ( 10 ,  110 ) according to  claim 13 , characterized in that said front-of-foot support ( 14 ) carries a third roller ( 16 ), arranged substantially at a central area of said triangle to constitute a further point of support on the ground for the roller skate ( 10 ,  110 ). 
     
     
         15 . Skate ( 10 ,  110 ) according to  claim 14 , characterized in that said third roller ( 16 ) of the front-of-foot support ( 14 ) is positioned substantially on the longitudinal axis (A-A) of the insole ( 11 ). 
     
     
         16 . Skate ( 10 ,  110 ) according to  claim 12 , characterized in that said front-of-foot support ( 14 ) carries a third roller ( 16 ), positioned in such a way that the incenter of the triangle having the three rollers ( 16 ) of the front-of-foot support ( 14 ) for vertices, is substantially on the longitudinal axis (A-A) of the insole ( 11 ). 
     
     
         17 . Skate ( 10 ,  110 ) according to any one of the previous claims, characterized in that said rollers ( 16 ) are multidirectional spherical rollers. 
     
     
         18 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to any one of the previous claims, characterized in that said rollers ( 16 ,  216 ) can be replaced by quick coupling means to the roller skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ). 
     
     
         19 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 8  or  9  or  10 , characterized in that said supports ( 14 ) are equipped with one or more braking and/or thrusting portions ( 22 ,  24 ,  26 ,  28 ), which project laterally with respect to the profile, in plan view, of the insole ( 11 ). 
     
     
         20 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 19 , characterized in that said braking and/or thrusting portions ( 22 ,  24 ,  26 ,  28 ) are made from plastic material or rubber. 
     
     
         21 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 19  or  20 , characterized in that said aforementioned braking and/or thrusting portions ( 22 ,  24 ,  26 ,  28 ) also project below the profile, in side elevation view, of the supports ( 14 ). 
     
     
         22 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claims 10  and  19 , characterized in that a first braking and/or thrusting portion ( 22 ) is arranged in front of the front-of-foot support ( 14 ) and a second braking and/or thrusting portion ( 24 ) is arranged behind the back-of-foot support ( 14 ). 
     
     
         23 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 22 , characterized in that the lower surface ( 22   a ) of the first braking and/or thrusting portion ( 22 ) has concave shape. 
     
     
         24 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 23 , characterized in that said lower surface ( 22   a ) is substantially a portion of cylindrical surface, having generatrices substantially parallel to the longitudinal axis (A-A) of the insole ( 11 ). 
     
     
         25 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 23 , characterized in that said lower surface ( 22   a ) is substantially a portion of cylindrical surface with generatrices having an inclination up to about 10°, with respect to the longitudinal axis (A-A) of the insole ( 11 ), towards the outer side of the insole ( 11 ). 
     
     
         26 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 22 , characterized in that a third braking and/or thrusting portion ( 26 ) is arranged on the inner side of the front-of-foot support ( 14 ). 
     
     
         27 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 26 , characterized in that a fourth braking and/or thrusting portion ( 28 ) is arranged on the outer side of the front-of-foot support ( 14 ). 
     
     
         28 . Skate ( 10 ,  110 ,  210 ,  310 ,  410 ,  510 ) according to  claim 19 , characterized in that said braking and/or thrusting portions ( 22 ,  24 ,  26 ,  28 ) can be replaced by quick coupling means to the respective supports ( 14 ). 
     
     
         29 . Skate ( 110 ,  310 ,  510 ) according to  claim 10 , characterized in that between the front-of-foot support ( 14 ) and the back-of-foot support ( 14 ) a connection portion ( 130 ,  330 ,  530 ) is provided, which is associated with an intermediate portion ( 11   b ) of the insole ( 11 ). 
     
     
         30 . Skate ( 110 ,  310 ,  510 ) according to  claim 29 , characterized in that said connection portion ( 130 ,  330 ,  530 ) has a concave lower surface ( 130   a,    330   a,    530   a ) that is substantially shaped like a portion of cylindrical surface, having generatrices substantially perpendicular to the longitudinal axis (A-A) of the insole ( 11 ). 
     
     
         31 . Skate ( 210 ,  310 ,  410 ,  510 ) according to  claim 1 , characterized in that said rollers ( 216 ) are of substantially cylindrical shape and can rotate about a single rotation axis, said rollers ( 216 ) being arranged along a alignment substantially parallel or coinciding with the longitudinal symmetry axis (A-A) of the insole ( 11 ). 
     
     
         32 . Skate ( 210 ,  310 ) according to  claims 8  and  31 , characterized in that said rollers ( 216 ) are four, one roller ( 216 ) being carried by a back-of-foot support ( 14 ), associated with a heel portion ( 11   c ) of the insole ( 11 ), three rollers ( 216 ) being carried by a front-of-foot support ( 14 ), associated with a toe portion ( 11   a ) of the insole ( 11 ). 
     
     
         33 . Skate ( 210 ,  310 ) according to  claims 8  and  31 , characterized in that said rollers ( 216 ) are four, one roller ( 216 ) being carried by a back-of-foot support ( 14 ), associated with a heel portion ( 11   c ) of the insole ( 11 ), three rollers ( 216 ) being carried by three independent front-of-foot supports ( 14 ), associated with a toe portion ( 11   a ) of the insole ( 11 ). 
     
     
         34 . Skate ( 410 ,  510 ) according to  claims 8  and  31 , characterized in that said rollers ( 216 ) are three, one roller ( 216 ) being carried by a back-of-foot support ( 14 ), associated with a heel portion ( 11   c ) of the insole ( 11 ), two rollers ( 216 ) being carried by a front-of-foot support ( 14 ), associated with a toe portion ( 11   a ) of the insole ( 11 ). 
     
     
         35 . Skate ( 410 ,  510 ) according to  claims 8  and  31 , characterized in that said rollers ( 216 ) are three, one roller ( 216 ) being carried by a back-of-foot support ( 14 ), associated with a heel portion ( 11   c ) of the insole ( 11 ), two rollers ( 216 ) being carried by two independent front-of-foot supports ( 14 ), associated with a toe portion ( 11   a ) of the insole ( 11 ).