Rollered nozzle
First Claim
Patent Images
1. A suction nozzle for a cleaner having:
- a) an agitator chamber;
b) a suction opening for said nozzle;
c) a pair of rollers mounted in said agitator chamber and extending downwardly into said suction opening;
e) said agitator chamber including an agitator;
f) said rollers disposed, one forwardly and one rearwardly of said agitator;
g) said agitator chamber including sealing means for sealing against said rollers to help maintain an envelope for suction within said suction nozzle;
h) said sealing means taking the form of a pair of elastomeric sealing lips engaging resiliently against said rollers;
i) said rollers being substantially elongated; and
j) said sealing lips also being substantially elongated to extend along said rollers;
k) said agitator chamber including side walls;
l) said side walls having bottom terminations; and
m) said elongated rollers having a bottom outer periphery aligned with said bottom terminations.
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Accused Products
Abstract
A vacuum cleaner is provided with a nozzle having front and rear rollers that extend for, essentially, the width of the nozzle from side to side. Ideally, these rollers are mounted at least partly within the vacuumized envelope formed by the nozzle.
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Citations
9 Claims
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1. A suction nozzle for a cleaner having:
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a) an agitator chamber; b) a suction opening for said nozzle; c) a pair of rollers mounted in said agitator chamber and extending downwardly into said suction opening; e) said agitator chamber including an agitator; f) said rollers disposed, one forwardly and one rearwardly of said agitator; g) said agitator chamber including sealing means for sealing against said rollers to help maintain an envelope for suction within said suction nozzle; h) said sealing means taking the form of a pair of elastomeric sealing lips engaging resiliently against said rollers; i) said rollers being substantially elongated; and j) said sealing lips also being substantially elongated to extend along said rollers; k) said agitator chamber including side walls; l) said side walls having bottom terminations; and m) said elongated rollers having a bottom outer periphery aligned with said bottom terminations. - View Dependent Claims (2, 3)
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4. A suction nozzle for a cleaner having:
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a) an agitator chamber; b) a suction opening for said nozzle; c) a pair of rollers mounted in said agitator chamber and extending downwardly into said suction opening; d) said agitator chamber including an agitator; e) said rollers being disposed one forwardly and one rearwardly of said agitator; f) said agitator chamber including sealing means for sealing against said rollers to help maintain an envelope of suction within said suction nozzle; g) said sealing means taking the form of a pair of elastomeric sealing lips engaging resiliently against said rollers; h) said agitator being a brush carrying agitator; and i) said rollers have diameters greatly smaller than the diameter of said agitator. - View Dependent Claims (5, 6, 7)
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8. A suction nozzle for a cleaner having:
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a) an agitator chamber; b) a suction opening for said nozzle; c) at least one roller mounted in said agitator chamber and extending downwardly into said suction opening; d) said agitator chamber includes an agitator; e) said roller being disposed outwardly of said agitator; f) said agitator chamber including sealing means for sealing against said roller to help maintain an envelope of suction within said suction nozzle; g) said sealing means taking the form of an elastomeric sealing lip engaging resiliently against said roller; h) said agitator being a brush containing agitator; and i) said roller having a diameter greater smaller than the diameter of said agitator. - View Dependent Claims (9)
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Specification