Magnetic Induction Dart

Abstract

A dart comprises: a body, a shaft, a flight, a tip, and a magnetic member. The body is formed with a receiving space, the magnetic member is detachably disposed in the receiving space of the body and is located between the body and the shaft. The tip is made of magnetic induction material. The magnetic member can be assembled and disassembled easily, and the magnetic induction material of the tip is attracted by the magnetic member to produce lines of magnetic force.

1 . A magnetic induction dart comprising: a body, a shaft, a flight, a tip and a magnetic member; wherein 
 the body is formed with a receiving space;    the magnetic member is detachably disposed in the receiving space of the body; and    the tip is made of magnetic induction material and produces lines of magnetic force by magnetic induction of the magnetic member.    
   
   
       2 . The magnetic induction dart as claimed in  claim 1 , wherein the receiving space of the body and the magnetic member are located between the body and the shaft.  
   
   
       3 . The magnetic induction dart as claimed in  claim 1 , wherein the receiving space of the body and the magnetic member are located between the body and the tip.  
   
   
       4 . The magnetic induction dart as claimed in  claim 2 , wherein the magnetic member is detachably disposed in and partially protrudes out of the receiving space of the body and is used as a link between the body and the shaft, and the magnetic member is located between the body and the shaft.  
   
   
       5 . The magnetic induction dart as claimed in  claim 3 , wherein the magnetic member is detachably disposed in and partially protrudes out of the receiving space of the body and is used as a link between the body and the shaft, and the magnetic member is located between the body and the tip.  
   
   
       6 . The magnetic induction dart as claimed in  claim 2 , wherein a threaded hole is defined in the receiving space of the body, and the shaft is screwed in the threaded hole.  
   
   
       7 . The magnetic induction dart as claimed in  claim 3 , wherein a threaded hole is defined in the receiving space of the body, and the shaft is screwed in the threaded hole.  
   
   
       8 . The magnetic induction dart as claimed in  claim 1 , wherein the body is made of magnetic induction material, and the tip is made of tungsten alloy or copper.  
   
   
       9 . The magnetic induction dart as claimed in  claim 2 , wherein: 
 threads are formed in the receiving space of the body;    the shaft is formed at one end thereof facing the body with outer threads;    the magnetic member is formed at one end thereof with male threads for meshing with the threads of the body, and the outer threads of the shaft are meshed in a threaded hole formed at the other end of the magnetic member.    
   
   
       10 . The magnetic induction dart as claimed in  claim 2 , wherein: 
 threads are formed in the receiving space of the body;    the tip is formed at one end thereof facing the body with outer threads;    the magnetic member is formed at one end thereof with male threads for meshing with the threads of the body, and the outer threads of the shaft are meshed in a threaded hole formed at the other end of the magnetic member.