US2018220766A1PendingUtilityA1

Hair styling appliance for curling hair with an inclined barrel and winder

Assignee: SEB SAPriority: Aug 7, 2015Filed: Jul 12, 2016Published: Aug 9, 2018
Est. expiryAug 7, 2035(~9 yrs left)· nominal 20-yr term from priority
A45D 1/16A45D 2/08A45D 2/02A45D 2/10A45D 2/362A45D 1/02
46
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Claims

Abstract

A hair styling appliance for curling hair, includes a gripping handle along a first axis and a housing having a winding chamber defining a second axis an introduction slot and an extraction opening. The first and second axes form a plane. A barrel has fixed and free ends disposed close to the extraction opening and extends in the winding chamber along a third axis in the plane. The third axis is inclined at an angle with respect to the first axis such that the free end is farther away from the gripping handle than the fixed end. A hollow winder is arranged around and coaxially with the barrel. The winder is mounted to rotate about the third axis and to successively grasp the proximal end of the lock, concomitantly wind the lock about the barrel and the winder, and then completely wind the lock around the barrel, as it rotates.

Claims

exact text as granted — not AI-modified
1 . Hair styling appliance for curling a strand of hair, comprising a grip handle defined longitudinally along a first axis and a housing attached to the grip handle, the housing comprising:
 a winding chamber having a shape of revolution around a second axis, the first axis and the second axis defining a plane,   an insertion slot which extends along the length of the housing in the plane of a side opposite the grip handle, and which leads to the winding chamber,   and an extraction opening arranged in a lateral face of the housing to which the winding chamber leads, wherein the appliance further comprises:   a mandrel which has one fixed end is fixed to the housing and a free end that is arranged close to the extraction opening, and which extends in the winding chamber along a third axis defined in the plane, the third axis being inclined with respect to the first axis along an angle (α) such that the free end is farther from the grip handle than the fixed end,   a hollow winder with a surface of revolution along the third axis X 3 , which is arranged with a first spacing around the mandrel in the winding chamber, coaxial with the mandrel along the third axis X 3 , the winder being rotatably mounted in at least one direction along the third axis and having on its surface of revolution catching means which are configured to catch the strand in the winder's initial position, and then to rotate the strand during the rotation of the winder, the winder being configured to successively grasp a proximal end of the strand, concomitantly wind the strand around the mandrel and the winder, and then completely wind the strand around the mandrel, during its rotation.   
     
     
         2 . The hair styling appliance according to  claim 1 , wherein the angle (α) is between 50 and 80 degrees. 
     
     
         3 . The hair styling appliance according to  claim 1 , wherein the second axis is perpendicular to the first axis. 
     
     
         4 . The hair styling appliance according to  claim 1 , wherein the second axis and the third axis are parallel to each other. 
     
     
         5 . The hair styling appliance according to  claim 1 , wherein the second axis is inclined with respect to the first axis, on the same side as the third axis, by an angle (φ) between the angle of inclination (α) of the third axis and 90 degrees (α<φ<90°) 
     
     
         6 . The hair styling appliance according to  claim 1 , wherein the winder has a free edge arranged on the side of the free end of the mandrel, and a notch which extends on the surface of revolution of the winder and leads to the free edge, the notch being configured to allow the strand to penetrate the first spacing between the mandrel and the winder, in an initial position of the winder. 
     
     
         7 . The hair styling appliance according to  claim 6 , wherein gripping means are formed on at least one of two ends of the notch, secant to the free edge. 
     
     
         8 . The hair styling appliance according to  claim 6 , wherein the notch has the shape of a trapezoid with its small base adjacent to the free edge. 
     
     
         9 . (canceled) 
     
     
         10 . The hair styling appliance according to  claim 1 , wherein the winder has a conical shape along the third axis, the conical shape presenting an expansion in the direction of the free end of the mandrel. 
     
     
         11 . The hair styling appliance according to  claim 1 , wherein the insertion slot has two walls which extend longitudinally in the direction of the second axis and which form between them a V configured to help the strand penetrate the winding chamber. 
     
     
         12 .- 17 . (canceled) 
     
     
         18 . The hair styling appliance according to  claim 1 , further comprising a stationary finger arranged at a contour of the extraction opening, a shape of the stationary finger is configured with respect to the mandrel to prevent the rotation of the strand around the mandrel without risk of bypassing the finger during the rotation of the winder, and to help release a curled strand along the mandrel. 
     
     
         19 . The hair styling appliance according to  claim 18 , wherein the stationary finger is perpendicular to the third axis and parallel to the plane, and has at least one lateral locking face configured so that a straight line, which passes through the base of the lateral locking face and perpendicularly cuts the third axis, forms with said lateral locking face an angle (β) of between 0 and 35 degrees. 
     
     
         20 . The hair styling appliance according to  claim 18 , wherein the stationary finger is perpendicular to the third axis and parallel to the plane, said finger being configured to extend from a peripheral contour of the free end of the mandrel in the direction of the third axis, at a height of between 6 mm and 18 mm. 
     
     
         21 .- 25 . (canceled) 
     
     
         26 . The hair styling appliance according to  claim 1 , further comprising heating means configured to heat the strand of hair inside the winding chamber. 
     
     
         27 . The hair styling appliance according to  claim 26 , wherein the heating means are arranged in the mandrel. 
     
     
         28 . (canceled) 
     
     
         29 . The hair styling appliance according to  claim 2 , wherein the angle (α) is 70 degrees. 
     
     
         30 . The hair styling appliance according to  claim 4 , wherein the second axis and the third axis are coincident. 
     
     
         31 . The hair styling appliance according to  claim 7 , wherein gripping means are formed on both ends of the notch, secant to the free edge. 
     
     
         32 . The hair styling appliance according to  claim 19 , wherein the angle (β) is 25 degrees. 
     
     
         33 . The hair styling appliance according to  claim 20 , wherein the height is 12 mm.

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