Hand exercisers

Abstract

A hand exerciser includes a loop having a smooth outer periphery and a plurality of rings each having a hole so that the loop extends through the hole of each ring. An inner diameter of the hole of each ring is 1.5 times of an outer diameter of the loop so that the rings are rotatable relative to the loop. The user rotates the loop to keep the rotating rings maintained at a section and the vibration of the rings to the loop exercises the hand holding the loop.

1 . A hand exerciser comprising: 
 a loop having cross sections including a smooth outer periphery and an outer diameter; and    a plurality of rings each having a hole defined therethrough, with the hole having an inner diameter generally equal to 1.5 times of the outer diameter of the cross sections of the loop, with the loop extending through the hole of each ring so that the rings are rotatable relative to the loop, with the hole of each ring contacting with the loon so as to shake or vibrate the loop and therefore exercising the hands holding the loop.    
   
   
       2  (canceled).  
   
   
       3 . The hand exerciser as claimed in  claim 1 , wherein the plurality of rings each includes an outer periphery, wherein the hole through each of the rings is eccentrically defined relative to the outer periphery of the ring.  
   
   
       4 . The hand exerciser as claimed in  claim 1 , wherein at least one of the rings has a polygonal outer periphery.  
   
   
       5 . The hand exerciser as claimed in  claim 3 , wherein at least one of the rings has a polygonal outer periphery.  
   
   
       6 . A hand exerciser comprising: 
 a loop having cross sections including a smooth outer periphery; and    a plurality of rings each having a hole defined therethrough, with the loop extending through the hole of each ring so that the rings are rotatable relative to the loop, wherein the plurality of rings each includes an outer periphery, wherein the hole through each of the rings is eccentrically defined relative to the outer periphery of the ring.    
   
   
       7 . The hand exerciser as claimed in  claim 6 , wherein at least one of the rings has a polygonal outer periphery.  
   
   
       8 . A hand exerciser comprising: 
 a loop having cross sections including a smooth outer periphery, and    a plurality of rings each having a hole defined therethrough, with the loop extending through the hole of each ring so that the rings are rotatable relative to the loop, wherein at least one of the rings has a polygonal outer periphery.