Boot tightening device

Abstract

Boot having an outer upper within which an inner comfort element is positioned, the outer upper having at least two portions movable in relation to one another, a tightener being provided to bring the two portions closer to one another in order to adapt the volume of the boot to the foot of the user, the tightener including an outer tractor, a first end of which is fixed to a first portion of the outer upper, and a second end of which is in relation with an actuator fixed to a second portion of the outer upper, the boot further including an inner tractor that is primarily positioned under the outer upper and are in relation with the same actuator.

1 . Boot comprising:
 an outer upper;   an inner comfort element positioned within the outer upper;   the outer upper comprising an upper portion and a lower portion;   at least two portions of the outer upper being movable in relation to one another;   a tightener configured to bring the two movable portions closer to one another to adapt a volume of the boot to a foot of a user;   the tightener being positioned on the lower portion of the outer upper, in an area of an upper portion of an instep in an area of a short heel perimeter line;   the tightener comprising an outer tractor;   a first end of the outer tractor being fixed to a first portion of the outer upper, and a second end of the outer tractor being in relation with an actuator fixed to a second portion of the outer upper;   the tightener further comprising an inner tractor primarily positioned under the outer upper, the inner tractor being in relation with the actuator.   
     
     
         2 . Boot according to  claim 1 , further comprising:
 a connector interconnecting the inner tractor and outer tractor.   
     
     
         3 . Boot according to  claim 1 , further comprising:
 a first outer anchor fixing the actuator on the lateral flank of the lower portion; and   a second outer anchor fixing the outer tractor to the medial flank of the lower portion.   
     
     
         4 . Boot according to  claim 3 , further comprising:
 an inner anchor fixing the inner tractor to the outer upper.   
     
     
         5 . Boot according to  claim 2 , wherein:
 the inner tractor and the outer tractor are positioned in continuity with one another; and   the connector comprises a passage, the tractors being freely slidable in the passage.   
     
     
         6 . Boot according to  claim 2 , wherein:
 the connector comprises an adjuster configured to adjust a length of the inner tractor and/or a length of the outer tractor.   
     
     
         7 . Boot according to  claim 1 , wherein:
 the actuator comprises a toggle buckle and a rack.   
     
     
         8 . Boot according to  claim 1 , wherein:
 the actuator comprises a ratchet system and a notched strap.   
     
     
         9 . Boot according to  claim 1 , wherein:
 the actuator comprises a spool and a cable.   
     
     
         10 . Boot according to  claim 1 , wherein:
 the inner tractor is configured to be anchored under the foot of the user.   
     
     
         11 . Boot according to  claim 1 , wherein:
 the inner tractor comprises a medial portion and a lateral portion.   
     
     
         12 . Boot according to  claim 1 , wherein:
 the inner tractor and/or the outer tractor comprises an elastic portion.