Brushing – scrubbing – and general cleaning – Accessories – Mop wringers
Reexamination Certificate
1999-03-10
2001-01-16
Chin, Randall E. (Department: 1744)
Brushing, scrubbing, and general cleaning
Accessories
Mop wringers
C015S257060, C015S264000, C015S230110
Reexamination Certificate
active
06173472
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to an apparatus for removing a liquid from a hard surface, for example for removing water, spilt oil or other liquids from floors, walls, car bodies, windows and other hard surfaces.
2. Prior Art
May, in U.S. Pat. No. 3,916,470, discloses an apparatus for removing liquid from a floor with a damp pad or cloth. The apparatus comprises a mopping roller enveloped by a mopping pad or a band-shaped mopping cloth which runs endlessly over rollers or from a first to a second spool, and bears on the working surface disposed underneath a mopping shoe or roller. The mopping roller and its enveloping mopping pad is intermittently advanced during the mopping process to bring a previously unused portion of the mopping pad into contact with the working surface at a preselected forward stroke.
Similar devices have been disclosed that are adapted to remove excess paint from a paint roller. Representative prior art devices are set forth in U.S. Pat. No. 4,200,949 to Heniff, Jr., U.S. Pat. No. 2,911,663 to Geary, U.S. Pat. No. 2,723,410 to Sprung et al., and Norwegian patent 112401. While the above devices are useful for removing excess liquid from an applicator, they do not expel sufficient liquid from the applicator pad to be efficiently operable for removing a liquid from a hard surface.
SUMMARY
An apparatus for removing a liquid from a hard surface comprising a roller unit including a roller rotatably mounted on a handle and covered with an absorbant sponge-like material, and a compression unit into which the roller of the roller unit may be inserted for removing water from the roller by compressing the absorbant material. The compression unit includes a surface along which the roller can be rolled and means engageable with the roller for pressing the roller against the surface to compress the absorbant material when the roller is rolled along the surface.
The features of the invention believed to be novel are set forth with particularity in the appended claims. However the invention itself, both as to organization and method of operation, together with further objects and advantages thereof may be best be understood by reference to the following description taken in conjunction with the accompanying drawings in which:
REFERENCES:
patent: 2723410 (1955-11-01), Sprung
patent: 2911663 (1959-11-01), Geary
patent: 3916470 (1975-11-01), May
patent: 4200949 (1980-05-01), Heniff, Jr.
patent: 45 527 (1966-02-01), None
patent: 112 401 (1968-02-01), None
Callaghan John
Hood Oliver
McLaughlin Hugh Rogers
Chin Randall E.
McLaughlin Hugh R.
Petit Michael G.
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