Hair Straightening Device

Abstract

A hair straightening device including a first arm, a hinge connected to the first arm, and a second arm connected to the hinge. The first arm, the second arm, or both are rotatable around the hinge between an open position where the first arm and the second arm do not contact each other and a closed position where the first arm and the second arm contact each other. The second arm comprises protrusions extending away from an interior surface of the second arm that faces the first arm of when the hair straightening device is in the closed position. The first arm may include holes corresponding to the protrusions, a first deformable material that is contacted and deformed by the protrusions, a first non-deformable material that is contacted but not deformed by the protrusions, or a combination thereof.

1 . A hair straightening device comprising:
 a first arm;   a hinge connected to the first arm; and   a second arm connected to the hinge;   wherein the first arm, the second arm, or both are rotatable around the hinge between an open position where the first arm and the second arm do not contact each other and a closed position where the first arm and the second arm contact each other;   wherein the second arm comprises protrusions extending away from an interior surface of the second arm that faces the first arm of when the hair straightening device is in the closed position; and   wherein the first arm comprises:
 holes that correspond to the protrusions of the second arm and in which at least a portion of the protrusions of the second arm are arranged when the hair straightening device is in the closed position; 
 a first deformable material that is contacted and deformed by the protrusions of the second arm when the hair straightening device is in the closed position; or 
 a first non-deformable material that is contacted but not deformed by the protrusions of the second arm when the hair straightening device is in the closed position. 
   
     
     
         2 . The hair straightening device according to  claim 1 ;
 wherein the first arm comprises both the holes and the first deformable material.   
     
     
         3 . The hair straightening device according to  claim 2 ;
 wherein the holes are formed in a non-deformable material that is different from and covers the first deformable material, and which is not deformed by the protrusions of the second arm when the hair straightening device is in the closed position.   
     
     
         4 . The hair straightening device according to  claim 1 ;
 wherein the first arm comprises the holes, which are formed in a non-deformable material that is not deformed by the protrusions of the second arm when the hair straightening device is in the closed position.   
     
     
         5 . The hair straightening device according to  claim 1 ;
 wherein the protrusions comprise a deformable material so that ends of the protrusions are deformed by an interior surface of the first arm that faces the protrusions when the hair straightening device is in the closed position.   
     
     
         6 . The hair straightening device according to  claim 5 ;
 wherein the interior surface of the first arm is formed from a non-deformable material that is not deformed by the protrusions of the second arm when the hair straightening device is in the closed position and the protrusions contact and are deformed by the interior second surface.   
     
     
         7 . The hair straightening device according to  claim 1 ;
 wherein each protrusion has a width that decreases as the protrusions extends from the interior surface of the second arm.   
     
     
         8 . The hair straightening device according to  claim 7 ;
 wherein each protrusion is shaped as a cone or pyramid.   
     
     
         9 . The hair straightening device according to  claim 1 ;
 wherein each protrusion has a width that is constant as the protrusions extends from the interior surface of the second arm.   
     
     
         10 . The hair straightening device according to  claim 1 ;
 wherein the device weighs from 5-60 grams; and   wherein each of the first and second arms comprises a hair-side surface configured to contact hair when hair is arranged between the first and second arms and the device is in the closed position; and   wherein each hair-side surface has:
 a length extending from the hinge to an end of the respective first or second arm that is in a range of from 1-6 inches; and 
   a width perpendicular to the length that is in a range of a 1-6 inches.   
     
     
         11 . The hair straightening device according to  claim 10 ;
 wherein the length of each hair-side surface is greater than or equal that the width of that hair-side surface.   
     
     
         12 . The hair straightening device according to  claim 10 ;
 wherein the length of each hair-side surface is less than the width of that hair-side surface.   
     
     
         13 . The hair straightening device according to  claim 1 ;
 wherein at least one arm of the first and second arms comprises a port through which a mass of material can be added, removed, or both, to the inside of the one arm to adjust the weight of the device   
     
     
         14 . The hair straightening device according to  claim 13 ;
 wherein the at least one arm further comprises a cover configured to open and close the port.   
     
     
         15 . The hair straightening device according to  claim 1 , further comprising:
 a spring that applies a spring force to bias the first and second arms towards each other to maintain the device in the closed position.   
     
     
         16 . The hair straightening device according to  claim 1 ;
 wherein one arm of the first and second arms comprises a magnet generator that generates a magnetic field; and   wherein the other arm of the first and second arms comprises a magnetic attractor that is attracted to the magnetic generator by the magnetic field so as to bias the first and second arms towards each other to maintain the device in the closed position.   
     
     
         17 . The hair straightening device according to  claim 16 ;
 wherein the magnet generator is a permanent magnet.   
     
     
         18 . The hair straightening device according to  claim 16 ;
 wherein the magnet attractor is a permanent magnet.   
     
     
         19 . The hair straightening device according to  claim 16 ;
 wherein the magnet attractor is a piece of metal.   
     
     
         20 . A hair straightening device comprising:
 a first arm;   a hinge connected to the first arm; and   a second arm connected to the hinge;   wherein the first arm, the second arm, or both are rotatable around the hinge between an open position where the first arm and the second arm do not contact each other and a closed position where the first arm and the second arm contact each other;   wherein the first arm comprises a deformable first material that forms an interior deformable surface of the first arm that faces the second arm when the hair straightening device is in the closed position; and   wherein the interior deformable surface of the first arm is deformed by the second arm when the hair straightening device is in the closed position.   
     
     
         21 . The hair straightening device according to  claim 20 ;
 wherein the second arm comprises a deformable second material that forms an interior deformable surface of the second arm that faces the interior deformable surface of the first arm when the hair straightening device is in the closed position;   wherein the interior deformable surface of the second arm is deformed by the first arm when the hair straightening device is in the closed position; and   wherein the deformable second material is the same as or different from the deformable first material.   
     
     
         22 . The hair straightening device according to  claim 20 ;
 wherein the second arm comprises a non-deformable material that forms an interior non-deformable surface of the second arm that faces the interior deformable surface of the first arm when the hair straightening device is in the closed position;   wherein the interior non-deformable surface of the second arm is not deformed by the first arm when the hair straightening device is in the closed position and the deformable surface of the first arm contacts and presses against the non-deformable surface of the second arm; and   wherein the non-deformable material is different from the deformable first material.