Self adjusting pressure drive shaft

Abstract

The roller assembly includes: a first shaft having a longitudinal axis; a self adjusting pressure drive shaft extending parallel to the longitudinal axis, the self adjusting pressure drive shaft includes: a main body portion having a cylindrical shape; a ring surrounds the main body portion; and a flexible material is disposed between the main body portion and the ring. An apparatus for a continuously winding a transformer core in an electrical transformer includes: a feed assembly for a material, the feed assembly includes a first shaft disposed adjacent a self adjusting pressure drive shaft, the self adjusting pressure drive shaft includes: a main body portion having a cylindrical shape; a ring surrounds the main body portion; and a flexible material is disposed between the main body portion and the ring.

1 . A roller assembly for feeding flat stock material comprising: 
 a first shaft having a longitudinal axis;    a self adjusting pressure drive shaft extending parallel to said longitudinal axis, said self adjusting pressure drive shaft includes: 
 a main body portion having a cylindrical shape;  
 a ring surrounds said main body portion; and  
 a flexible material is disposed between said main body portion and said ring.  
   
     
     
         2 . The assembly of  claim 1 , wherein said main body portion has a first section and a second section, said first section has a smaller diameter than said second section.  
     
     
         3 . The assembly of  claim 2 , wherein said flexible material is disposed at said first section.  
     
     
         4 . The assembly of  claim 1 , wherein said flexible material is made from a material selected from a group consisting of elastomeric, rubber, neoprene, and urethane.  
     
     
         5 . The assembly of  claim 1 , wherein said flexible material includes a hardness value of about 15 duro to about 90 duro.  
     
     
         6 . The assembly of  claim 1 , wherein said ring is made from steel.  
     
     
         7 . The assembly of  claim 1 , further comprising an extension extending from said main body portion.  
     
     
         8 . The assembly of  claim 1 , wherein said first shaft and said ring contact at a point, said point having a predetermined amount of pressure.  
     
     
         9 . An apparatus for continuously winding a transformer core in an electrical transformer, said apparatus comprising: 
 a feed assembly for a material, said feed assembly includes a first shaft disposed adjacent a self adjusting pressure drive shaft, said self adjusting pressure drive shaft includes: 
 a main body portion having a cylindrical shape;  
 a ring surrounds said main body portion; and  
 a flexible material is disposed between said main body portion and said ring.  
   
     
     
         10 . The apparatus of  claim 9 , wherein said main body portion has a first section and a second section, said first section has a smaller diameter than said second section.  
     
     
         11 . The apparatus of  claim 10 , wherein said flexible material is disposed at said first section.  
     
     
         12 . The apparatus of  claim 9 , wherein said material is a flat stock material.  
     
     
         13 . The apparatus of  claim 9 , wherein said flexible material is made from a material selected from a group consisting of elastomeric, rubber, neoprene, and urethane.  
     
     
         14 . The apparatus of  claim 9 , wherein said flexible material includes a hardness value of about 15 duro to about 90 duro.  
     
     
         15 . The apparatus of  claim 9 , wherein said ring is made from steel.  
     
     
         16 . The apparatus of  claim 9 , wherein said feed assembly further comprises a spring coupled to said first shaft, said spring providing tension at a point of contact between said first shaft and said self adjusting pressure drive shaft.  
     
     
         17 . The apparatus of  claim 16 , wherein said feed assembly further comprises a pneumatic cylinder coupled to said spring, said pneumatic cylinder controlling an amount of tension at said point.  
     
     
         18 . The apparatus of  claim 9 , further comprising an extension extending from said main body portion.  
     
     
         19 . The apparatus of  claim 18 , further comprising a motor coupled to said extension.  
     
     
         20 . The apparatus of  claim 19 , wherein said motor includes a controller.  
     
     
         21 . The apparatus of  claim 19 , wherein said motor includes an encoder.  
     
     
         22 . The apparatus of  claim 19 , wherein said motor is a servomotor.  
     
     
         23 . The apparatus of  claim 9 , further comprising a cutting device for cutting said material at a predetermined point.  
     
     
         24 . The apparatus of  claim 9 , further comprising a winding area for continuously winding said material through an opening.