Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2002-04-04
2004-05-11
Till, Terrence R. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S323000, C015S327600, C015S352000
Reexamination Certificate
active
06732403
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The subject invention relates to a portable cleaning assembly, and specifically to a portable vacuum unit and waste container.
2. Description of the Related Art
The related art assemblies disclose a vacuum body having a vacuum unit for applying a vacuum to clean an area such that the assembly is hidden and therefore not visible. One such assembly, shown in U.S. Pat. No. 5,205,013, includes a vacuum housed in a decorative storage and is designed to receive a plant to conceal the vacuum from view. The assembly is primarily for use in barbershops and hair salons. The vacuum has an inlet such that the vacuum does not have to be removed from the storage to be utilized. However, the vacuum is not portable and does not allow for collection of solid debris that cannot be vacuumed. Another assembly disclosed in U.S. Pat. No. 3,328,826 includes a vacuum unit housed in a hassock. The hassock conceals the vacuum from view, but does not include a container for receiving solid waste.
The related art assemblies also disclose a waste container attached to the vacuum body for receiving waste. U.S. Pat. No. 6,058,560 discloses an assembly having a vacuum attached to a waste container. The vacuum has an inlet for attachment to a hose, which is preferably 20 feet length, to allow the vacuum to be utilized in an area without having to move the assembly. Further, the '560 patent suggests having multiple units disposed throughout the area so that the assemblies remain in the current location, without having to be moved. U.S. Pat. No. 6,199,714 discloses an assembly having a waste container housing a vacuum unit. The vacuum unit has an inlet in the bottom of waste container for cleaning up swept debris and for cleaning off dustpans. However, the waste container must be picked up and carried from one area to the next.
The related art assemblies are characterized by one or more inadequacies. Specifically, the assemblies do not provide a mechanism for making the waste container and vacuum unit portable for cleaning large areas. The assemblies require additional passes through the area to perform specific cleaning functions, such as one pass for waste removal and another for vacuuming debris. These assemblies also require the user to carry the waste to the assembly or carry the assembly, which becomes increasingly heavy and burdensome.
SUMMARY OF THE INVENTION AND ADVANTAGES
The subject invention provides a portable cleaning assembly. The assembly includes a vacuum body and a vacuum unit disposed in the vacuum body for applying a vacuum to clean an area. A waste container is supported on top of the vacuum body for collecting waste that can not be vacuumed or from other waste receptacles. The assembly also includes a transport mechanism supporting the vacuum body and the waste container thereof for moving the vacuum body and the waste container across the area while applying the vacuum and for independently filling the waste container with waste.
Accordingly, the subject invention overcomes the inadequacies that characterize the related art assemblies. The subject invention is portable which allows the assembly to be utilized to clean large commercial areas, such as office buildings, airports, malls, and the like. Only a single pass is required through the areas because waste receptacles can be emptied into the waste container and any debris on the ground can be vacuumed, simultaneously. Also, the subject invention provides for more efficient transportation of the waste container, as the container becomes increasingly heavy as more waste is put into the container.
REFERENCES:
patent: 971895 (1910-10-01), Joedicke
patent: 2531920 (1950-11-01), Raminger
patent: 2779432 (1957-01-01), Meyerhoefer
patent: 3328826 (1967-07-01), Amos
patent: 4699641 (1987-10-01), Barnes
patent: 5205013 (1993-04-01), Lopes
patent: 6058560 (2000-05-01), Gab et al.
patent: 6199714 (2001-03-01), Thompson
patent: RE37350 (2001-09-01), Stephan
Moore Glen E.
Williamson Susan J.
Howard & Howard
Till Terrence R.
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