EP0286328A1
Expired / Lapsed
EP
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An apparatus for wet cleaning a floor or wall surface
Assignee: Rotowash Scandinavia ApS
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Filing: 1988-03-31
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Granted: —
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Expires: 2008-03-31
Abstract
Abstract An apparatus for wet cleaning floor or wall surfaces comprises one or more cylindrical brushes (12) which may be rotated by a motor (13) so that they are throwing liquid and dirt from the floor or wall surface on to a rotating cylinder (15) or a moving endless belt. Liquid and dirt is continuously removed from the outer peripheral surface of the cylinder or belt by means of a suction nozzle (19) extending along the axial length of the cylinder and immediately adjacent to the peripheral surface thereof. The suction nozzle (19) may have a lower edge functioning as a scraping member (40) which is in contact with the peripheral surface of a cylinder (15). Liquid and dirt removed from the cylinder (15) by means of the suction nozzle (19) is passed to a container for collecting dirty liquid.
Inventors
- 👤 Jerzy Korski
- 👤 Henryk Korski
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 19:58
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4063; A47L11/4069; A47L11/29; A47L11/292; A47L11/4013; A47L11/4016; A47L11/4036; A47L11/4041; A47L11/4044; A47L11/4047
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
112 words
An apparatus for wet cleaning a floor or wall surface, said apparatus comprising a liquid collecting member (15, 41, 43) defining a movable endless liquid collecting surface thereon, motor-driven rotatable brushing means (12) for contacting said floor or wall surface so as to throw dirty washing liquid therefrom on to said liquid collecting surface, a liquid container (21) for collecting dirty washing liquid therein, and transfer means (19, 20) for transferring liquid from the collecting surface to the container, characterized in that said transfer means comprise a suction nozzle (19) communicating with the liquid container (21) and being arranged immediately adjacent to the liquid collecting surface so as to suck liquid therefrom.
Claim 2
Independent Claim
112 words
An apparatus for wet cleaning a floor or wall surface, said apparatus comprising a liquid collecting member (15, 41, 43) defining a movable endless liquid collecting surface thereon, motor-driven rotatable brushing means (12) for contacting said floor or wall surface so as to throw dirty washing liquid therefrom on to said liquid collecting surface, a liquid container (21) for collecting dirty washing liquid therein, and transfer means (19, 20) for transferring liquid from the collecting surface to the container, characterized in that said transfer means comprise a suction nozzle (19) communicating with the liquid container (21) and being arranged immediately adjacent to the liquid collecting surface so as to suck liquid therefrom.
Claim 3
Dependent Claim
20 words
An apparatus according to claim 1, characterized in that the liquid collecting member comprises a rotatable cylinder or drum (15).
Claim 4
Dependent Claim
19 words
An apparatus according to claim 1, characterized in that said liquid collecting member comprises an endless belt (41, 43).
Claim 5
Independent Claim
32 words
An apparatus according to any of claims 1-3, characterized in that the suction nozzle (19) extends along substantially the total dimension of the liquid collecting surface transversely to its direction of movement.
Claim 6
Independent Claim
80 words
An apparatus according to any of the claims 1-4, characterized in that the suction nozzle (19) defines a suction slot between a first edge member (39) and a second edge member (40) spaced therefrom in the direction of movement of the collecting surface, the second edge member being formed as a scraping or wiping member (40), which is in contact with the liquid collecting surface and the first edge member being arranged out of engagement with the liquid collecting surface.
Claim 7
Dependent Claim
25 words
An apparatus according to claim 5, characterized in that said second edge member (40) is made from a flexible material, such as rubber or plastic.
Claim 8
Independent Claim
27 words
An apparatus according to any of the claims 1-6, characterized in that the liquid collecting surface is roughened so as to improve the adherence of liquid thereto.
Claim 9
Dependent Claim
15 words
An apparatus according to claim 7, characterized in that the liquid collecting surface is dimpled.
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