US2006196004A1PendingUtilityA1

Cleaning head for a surface cleaning apparatus

49
Individually held — no corporate assignee on recordPriority: Oct 22, 2004Filed: Oct 21, 2005Published: Sep 7, 2006
Est. expiryOct 22, 2024(expired)· nominal 20-yr term from priority
Inventors:Wayne Ernest Conrad
A47L 11/22A47L 9/02A47L 7/02A47L 9/102A47L 5/30
49
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Claims

Abstract

A cleaning head for a surface cleaning apparatus comprises a housing having a surface contacting surface, a first inlet provided in the surface contacting surface and in communication with a first treatment stage and a second inlet spaced from the first inlet and provided in the surface contacting surface and, in use, in communication with a second treatment stage and a source of suction.

Claims

exact text as granted — not AI-modified
1 . A cleaning head for a surface cleaning apparatus comprising: 
 (a) a housing having a surface contacting surface;    (b) a first inlet provided in the surface contacting surface and in communication with a first treatment stage; and,    (c) a second inlet positioned rearward from the first inlet and provided in the surface contacting surface and, in use, in communication with a second treatment stage and a source of suction.    
   
   
       2 . The cleaning head of  claim 1  the second treatment stage comprises at least one cyclone.  
   
   
       3 . The cleaning head of  claim 1  wherein cleaning head further comprises a brushing member associated with the first inlet and the first treatment stage comprises a settling chamber.  
   
   
       4 . The cleaning head of  claim 3  wherein the second treatment stage comprises at least one cyclone.  
   
   
       5 . The cleaning head of  claim 4  wherein the first treatment stage is in airflow communication with the source of suction.  
   
   
       6 . The cleaning head of  claim 5  wherein the first treatment stage is upstream from the cyclone.  
   
   
       7 . The cleaning head of  claim 6  wherein a bleed stream of air is drawn from the first treatment stage to the cyclone.

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