Suction brush assembly

Abstract

A suction brush assembly is provided that includes a suction brush casing having a dust introducing channel for introducing dirt and a suction port for drawing the dirt from the dust introducing channel; a first and a second rotation plates rotatably disposed on a bottom surface of the suction brush casing and rotating in the opposite direction to each other; a rotation power source for providing power for rotating the rotation plates; a power transmission transmitting the rotation power of the rotation power source to the rotation plates; and a dirt guidance member formed on the first and the second rotation plates, for scraping off hairs or feathers from a surface to be cleaned to guide them to the dust introducing channel so that the hairs or the feathers can be easily guided to the suction port.

1 . A suction brush assembly, comprising:
 a suction brush casing provided with a dust introducing channel for introducing dirt on a surface to be cleaned and a suction port for drawing the dirt from the dust introducing channel;   a first and a second rotation plate rotatably disposed on a bottom surface of the suction brush casing and rotating in the opposite direction to each other;   a rotation power source for providing power for rotating the first and the second rotation plates;   a power transmission transmitting the rotation power of the rotation power source to the first and the second rotation plates; and   a dirt guidance member formed on the first and the second rotation plates, for scraping off hairs or feathers of an animal spread on a surface to be cleaned to guide them to the dust introducing channel so that the hairs or the feathers can be easily guided to the suction port.   
   
   
       2 . The suction brush assembly of  claim 1 , wherein the dirt guidance member comprises a plurality of projection ribs arranged in spaces along a helical shape which runs from a center of the first and the second rotation plates to an outside of the first and the second rotation plates, respectively,
 a rotation direction of the first rotation plate and a direction that the projection ribs are arranged on the first rotation plate are opposite to each other, and   a rotation direction of the second rotation plate and a direction that the projection ribs are arranged on the second rotation plate are opposite to each other.   
   
   
       3 . The suction brush assembly of  claim 2 , wherein the dust introducing channel is formed at a front of the suction brush casing along a longitudinal direction of the suction brush casing. 
   
   
       4 . The suction brush assembly of  claim 2 , wherein the dust introducing channel is formed in a shape which surrounds some front portion of the first and the second rotation plates disposed on the bottom surface of the suction brush casing. 
   
   
       5 . The suction brush assembly of  claim 1 , wherein the dirt guidance member comprises a plurality of rod members having a projected side end and arranged in spaces along a helical shape which runs from a center of the first and the second rotation plates to an outside of the first and the second rotation plates, respectively,
 a rotation direction of the first rotation plate and a direction that the rod members are arranged in the helical shape on the first rotation plate are opposite to each other, and   a rotation direction of the second rotation plate and a direction that the rod members are arranged in the helical shape on the second rotation plate are opposite to each other.   
   
   
       6 . The suction brush assembly of  claim 1 , wherein the dirt guidance member comprises a plurality of loop members arranged in a spaces along a helical shape which runs from a center of the first and the second rotation plates to an outside of the first and the second rotation plates, respectively,
 a rotation direction of the first rotation plate and a direction that the loop members are arranged in the helical shape on the first rotation plate are opposite to each other, and   a rotation direction of the second rotation plate and a direction that the loop members are arranged in the helical shape on the second rotation plate are opposite to each other.   
   
   
       7 . The suction brush assembly of  claim 1 , wherein the dirt guidance member comprises a plurality of fibers planted along a helical shape which runs from a center of the first and the second rotation plates to an outside of the first and the second rotation plates, respectively,
 a rotation direction of the first rotation plate and a direction that the plurality of fibers are planted in the helical shape on the first rotation plate are opposite to each other, and   a rotation direction of the second rotation plate and a direction that the plurality of fibers are planted in the helical shape on the second rotation plate are opposite to each other.   
   
   
       8 . The suction brush assembly of  claim 1 , wherein the dirt guidance member is made of rubber. 
   
   
       9 . A suction brush assembly, comprising:
 a suction brush casing having a dust introducing channel and a suction port;   a first rotation plate disposed on a bottom surface of the suction brush casing for rotation in a first rotation direction;   a second rotation plate disposed on the bottom surface for rotation in a second rotation direction, the first and second rotation directions being opposite one another other;   a rotation power source generating a rotation power;   a power transmission transmitting the rotation power to the first and the second rotation plates in the first and second rotation directions, respectively;   a first dirt guidance member on the first rotation plate, the first dirt guidance member being configured to scrape hair or feathers from a surface to be cleaned and to guide the hair or feathers to the dust introducing channel, the suction port drawing the hair or feathers from the dust introducing channel; and   a second dirt guidance member on the second rotation plate, the second dirt guidance member being configured to scrape hair or feathers from the surface to be cleaned and to guide the hair or feathers to the dust introducing channel.   
   
   
       10 . The suction brush assembly of  claim 9 , wherein the first dirt guidance member comprises a first helical shape which runs in a first helical direction from a center of the first rotation plate to an outside of the first rotation plate and the second dirt guidance member comprises a second helical shape which runs in a second helical direction from a center of the second rotation plate to an outside of the second rotation plate. 
   
   
       11 . The suction brush assembly of  claim 10 , wherein the first helical direction and the first rotation direction are opposite one another and the second helical direction and the second rotation direction are opposite one another. 
   
   
       12 . The suction brush assembly of  claim 10 , wherein the first dirt guidance member and/or the second dirt guidance member comprises a plurality of projection ribs. 
   
   
       13 . The suction brush assembly of  claim 10 , wherein the first dirt guidance member and/or the second dirt guidance member comprises a plurality of rod members having a projected side end and arranged in spaces along the helical shape. 
   
   
       14 . The suction brush assembly of  claim 10 , wherein the first dirt guidance member and/or the second dirt guidance member comprises a plurality of loop members arranged in spaces along the helical shape. 
   
   
       15 . The suction brush assembly of  claim 10 , wherein the first dirt guidance member and/or the second dirt guidance member comprises a plurality of fibers arranged in spaces along the helical shape. 
   
   
       16 . The suction brush assembly of  claim 9 , wherein the dust introducing channel is formed at a front of the suction brush casing along a longitudinal direction of the suction brush casing. 
   
   
       17 . The suction brush assembly of  claim 9 , wherein the dust introducing channel is formed in a shape which surrounds some front portion of the first and the second rotation plates disposed on the bottom surface of the suction brush casing. 
   
   
       18 . The suction brush assembly of  claim 9 , wherein the first dirt guidance member and/or the second dirt guidance member is made of rubber.