Agitator For Suction Nozzle In Vacuum Cleaner

Abstract

An agitator ( 100 ) for a suction nozzle ( 10 ) in a vacuum cleaner is disclosed for largely improving efficiency of the vacuum cleaner, the agitator ( 100 ) including a body rotatably provided at an inlet ( 12 ) of the suction nozzle ( 10 ), and at least one blade assembly ( 120 ) including a plurality of blades ( 121 ) configured to come in contact with a surface to be cleaned, and mounted at the body ( 110 ) along a length direction thereof.

1 . An agitator for a suction nozzle in a vacuum cleaner, comprising: 
 a body rotatably provided at an inlet of the suction nozzle; and    at least one blade assembly including a plurality of blades configured to come in contact with a surface to be cleaned, and mounted at the body along a length direction thereof.    
   
   
       2 . The agitator of  claim 1 , wherein the body is rotated by friction between the blade assembly and the surface.  
   
   
       3 . The agitator of  claim 1 , wherein the body is forcibly rotated by a driving mechanism.  
   
   
       4 . The agitator of  claim 1 , wherein the body is formed in a cylindrical shape.  
   
   
       5 . The agitator of  claim 1 , wherein the plurality of blades are flexibility.  
   
   
       6 . The agitator of  claim 1 , wherein the plurality of blades are spaced a predetermined distance from one another.  
   
   
       7 . The agitator of  claim 1 , wherein the plurality of blades are serially disposed.  
   
   
       8 . The agitator of  claim 1 , wherein the plurality of blades comprises a plurality of square sections.  
   
   
       9 . The agitator of  claim 1 , wherein free ends of the plurality of blades have reduced sections, the free ends coming in contact with the surface to be cleaned.  
   
   
       10 . The agitator of  claim 1 , wherein the plurality of blades comprise triangular sections.  
   
   
       11 . The agitator of  claim 1 , wherein the plurality of blades comprise trapezoidal sections.  
   
   
       12 . The agitator of  claim 1 , wherein the plurality of blades are separated from one another.  
   
   
       13 . The agitator of  claim 1 , wherein the plurality of blades are connected with one another.  
   
   
       14 . The agitator of  claim 1 , wherein the plurality of blades are formed as one body.  
   
   
       15 . The agitator of  claim 1 , wherein the blade assembly further comprises a strip member connecting the plurality of blades to one another.  
   
   
       16 . The agitator of  claim 15 , wherein the strip member connects supporting ends of the plurality of blades.  
   
   
       17 . The agitator of  claim 15 , wherein the strip member is inserted into the body.  
   
   
       18 . The agitator of  claim 15 , wherein the blade assembly is configured to lead objects to a particular location of an inlet with a relatively strong suction force, thereby causing the objects to be sucked in.  
   
   
       19 . The agitator of  claim 1 , wherein the blade assembly is configured to gather objects to a particular location of an inlet with a relatively strong suction force, thereby causing the objects to be sucked in.  
   
   
       20 . The agitator of  claim 1 , wherein the blade assembly is configured to lead objects to a center portion of the inlet, the objects to be sucked in.  
   
   
       21 . The agitator of  claim 1 , wherein the blade assembly is configured to gather objects to a center portion of the inlet, thereby causing the objects to be sucked in.  
   
   
       22 . The agitator of  claim 1 , wherein the blade assembly comprises a first assembly and a second assembly sloped to a predetermined degree and extended respectively from both sides of the body toward a central axis of the body.  
   
   
       23 . The agitator of  claim 22 , wherein the first and second assemblies are extended so as to be joined, and a joining portion where the first and second assemblies are joined is disposed at a center portion of the inlet.  
   
   
       24 . The agitator of  claim 22 , wherein the first and second assemblies are respectively extended in a direction opposite a rotational direction of the body.  
   
   
       25 . The agitator of  claim 23 , wherein the joining portion follows both ends of the blade assembly in a rotational direction of the body.  
   
   
       26 . The agitator of  claim 1 , wherein the blade assembly comprises a first assembly and a second assembly sinking toward a center portion from both ends of the body.  
   
   
       27 . The agitator of  claim 26 , wherein the first and second assemblies are extended to be joined with each other.  
   
   
       28 . The agitator of  claim 26 , wherein the first and second assemblies are respectively extended in a direction opposite to a rotational direction of the body.  
   
   
       29 . The agitator of  claim 27 , wherein a joining portion follows both ends of the blade assembly in a rotational direction of the body.  
   
   
       30 . The agitator of  claim 1 , wherein the blade assembly converges at a portion central to both ends of the body.  
   
   
       31 . The agitator of  claim 1 , wherein a conversion member of the blade assembly is disposed at a center portion of the inlet.  
   
   
       32 . The agitator of  claim 30 , wherein the blade assembly is extended in a direction opposite a rotational direction of the body from both ends of the body toward the center portion thereof.  
   
   
       33 . The agitator of  claim 30 , wherein a conversion member of the blade assembly follows the both ends of the blade assembly in a rotational direction of the body.  
   
   
       34 . The agitator of  claim 1 , wherein the blade assembly is disposed to form a recess portion or an indent portion.  
   
   
       35 . The agitator of  claim 34 , wherein the recess member is disposed at a center portion of the inlet.  
   
   
       36 . The agitator of  claim 34 , wherein the blade assembly is extended in a direction opposite a rotational direction of the body from both ends of the body toward the center portion thereof.  
   
   
       37 . The agitator of  claim 34 , wherein the recess member follows both ends of the blade assembly in a rotational direction of the body.  
   
   
       38 . The agitator of  claim 22 , wherein the first and second assemblies are straight.  
   
   
       39 . The agitator of  claim 22 , wherein the first and second assemblies comprise a predetermined curvature.  
   
   
       40 . The agitator of  claim 1 , wherein the blade assembly is disposed in a “V” shape.  
   
   
       41 . The agitator of  claim 1 , wherein the blade assembly is disposed in a “U” shape.  
   
   
       42 . The agitator of  claim 1 , wherein the body comprises a groove for accommodating the blade assembly.  
   
   
       43 . The agitator of  claim 42 , wherein the groove is configured to be geared with the blade assembly.  
   
   
       44 . The agitator of  claim 42 , wherein the groove comprises a reduced section at an entrance thereof.  
   
   
       45 . The agitator of  claim 42 , wherein the groove comprises at least one projecting member formed at an entrance thereof and having the blade assembly caught thereon.  
   
   
       46 . The agitator of  claim 42 , wherein the groove comprises a section being gradually reduced from a bottom member to an entrance thereof.  
   
   
       47 . The agitator of  claim 42 , wherein the blade assembly is configured to be tightly fitted in the groove.  
   
   
       48 . The agitator of  claim 42 , wherein a section of a supporting end of the blade assembly has a similar shape to a section of the groove having the supporting end caught thereon.  
   
   
       49 . The agitator of  claim 45 , wherein the blade assembly comprises at least one projecting member caught on the projecting member of the grove.  
   
   
       50 . The agitator of  claim 46 , wherein the blade assembly is at least partially tapered so as to be coupled with the groove.  
   
   
       51 . The agitator of  claim 42 , wherein the groove is configured to allow the blade assembly to be inserted in a direction lateral to the body from an end of the body.  
   
   
       52 . The agitator of  claim 42 , wherein the groove is passed through one end of the body.  
   
   
       53 . The agitator of  claim 26 , wherein the first and second assemblies are straight.  
   
   
       54 . The agitator of  claim 26 , wherein the first and second assemblies comprise a predetermined curvature.