Sole nail

Abstract

A sole nail comprises an assembly post having a plurality of rubber claws; the assembly post having a via hole forming an upper and a lower opening in the assembly post; a part of the assembly post having thread; an elastomer enclosing an periphery of the assembly post having thread; a steel nail passing through the via hole of the assembly post; an upper end of the elastomer resisting against a bottom of the steel nail; a seat having a screw hole penetrating through the seat; the seat being engaged into a lower sole of shoe; and a waterproof pad made of soft rubber; a bottom of the waterproof pad corresponding the steel nail being formed with a groove; and an upper sole covering upon the waterproof pad.

1 . A sole nail comprising: 
 an assembly post having a plurality of rubber claws; the assembly post having a via hole forming an upper and a lower opening in the assembly post; a part of the assembly post having thread;    an elastomer enclosing an periphery of the assembly post having thread;    a steel nail passing through the via hole of the assembly post; an upper end of the elastomer resisting against a bottom of the steel nail;    a seat having a screw hole; the screw hole penetrating through the seat;    the seat being engaged into a lower sole of shoe; and    a waterproof pad made of soft rubber; a bottom of the waterproof pad corresponding the steel nail being formed with a groove; an upper sole covering upon the waterproof pad;    wherein when the shoe dose not tread the ground, the groove of the waterproof pad will receive the steel nail without protruding out of the bottom of the rubber claws; and when the shoe treads a soft ground, the soft upper sole and the waterproof pad will press the steel nail to protrude out of the soft rubber so as to insert into soft ground.    
   
   
       2 . The sole nail as claimed in  claim 1 , wherein the via hole of the assembly post has a small-size lower end and a large-size upper end so as to receive the elastomer and the steel nail.  
   
   
       3 . The sole nail as claimed in  claim 1 , wherein an enhancing sheet is installed in the groove of the waterproof pad and be above the steel nail.  
   
   
       4 . The sole nail as claimed in  claim 1 , wherein the elastomer is one of a spring and a cylindrical rubber.