Title: Vacuum grooming brush

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Claims: I claim;

1. A vacuum grooming brush comprising a brush head having walls defining an enclosed vacuum chamber, a hollow handle integral with the brush head communicating at one end with the vacuum chamber and at the other end being adapted for connection to a domestic vacuum cleaner, a set of bristles extending from one wall of the brush head, said bristles being arranged in rows extending substantially parallel to the longitudinal axis of the brush head and the handle, vacuum inlet passages formed in said one wall of the brush head located only in the marginal edge regions of said one wall between the bristles and the other edges of the head on two opposite longitudinally-extending sides thereof, said passages communicating with the interior of the vacuum chamber, and flow equalization means located within the vacuum chamber adapted to equalize the flow of air through said vacuum inlet passages over their longitudinal extension, said flow equalization means comprising a wedge -shaped relief portion formed in the upper wall of the brush opposite to said one wall, and extending into the vacuum chamber, the longitudinal axis of said wedge-shaped relief portion being co-axial with the longitudinal axis of the brush and the apex of said relief portion being directed towards the outlet from the vacuum chamber formed by the interior of said hollow handle.

2. A vacuum grooming brush according to claim 1, wherein the said one wall of the brush head which supports the bristles is provided around at least part of its periphery with a skirt extending in substantially the same direction as the bristles, and the vacuum inlet passages are located in the zones between the skirt and the bristles.

3. A vacuum grooming brush according to claim 1, wherein the said one wall of the brush head which supports the bristles is detachable from the remainder of the brush head.

Other info:

Inventors: George, Ivor Prosser

Application Number: 504797
Filing Date: 1974-09-10
Publication_date: 1976-06-29
Assignee:
Primary Class(es): 15/396 15/400, 401/284, 401/289
Other Classes:
US Patent Ref:

921669	May, 1909	Boegel et al.	15/399.
1029501	Jun, 1912	Horlacher	15/402.
3283356	Nov, 1966	Fromknecht	15/400.

Other Refs: 733,804

Jul, 1955	UK

Primary Examiner: Christian, Leonard D.
Assistant Examiner: Moore, C. K.
Attorney: Sughrue, Rothwell, Mion, Zinn & Macpeak