Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2000-07-17
2001-10-02
Moore, Chris K. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S339000, C015S414000, C015S415100, C141S066000
Reexamination Certificate
active
06295693
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an air compressor, and more particularly to an air compressor having one or more nozzles that may be easily attached to or detached from the air compressor for various kinds of uses.
2. Description of the Prior Art
Typical air compressors comprise a fan rotatably received in a housing and driven by a motor for drawing air into the housing and for generating a pressurized air to inflate the tires, air beds or air cushions, hovercrafts, etc. One of the typical air compressors is disclosed in U.S. Pat. No. 4,999,036 to Hwang et al., and comprise an air inlet for allowing the air to flow into the housing, and an air outlet for supplying the pressurized air to the air devices that are required to be inflated. The typical air compressors may not be used to discharge or to release the air in the air devices. In addition, the typical air compressors have no various kinds of nozzles for engaging with the various kinds of air devices.
The present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional air compressors.
SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide an air compressor including one or more nozzles for selectively attached to the air compressor and to selectively couple the air compressor to various kinds of air devices for inflating the air devices.
The other objective of the present invention is to provide an air compressor including one or more nozzles for selectively attached to the air compressor and for discharging or releasing the air from the air devices.
In accordance with one aspect of the invention, there is provided an air compressor comprising a housing including an air outlet provided therein for coupling to an air device and for supplying an air to the air device, a port provided therein for coupling to the air device and for drawing the air out of the air device, and an air inlet provided therein for inwardly flowing of the air into the housing, a first nozzle, and securing means for detachably securing the first nozzle to either of the air outlet and the port of the housing.
The air outlet includes a peripheral wall, a spider rib disposed in the peripheral wall for defining a plurality of apertures and for the air to flow out of the housing. The securing means includes a pair of ears extended inward of the peripheral wall of the air outlet, and a pair of latches extended from the first nozzle for engaging with the ears and for securing the first nozzle to the air outlet. The spider rib is spaced from the ears for defining a channel between the ears and the spider rib and for receiving the latches of the first nozzle.
The port includes a peripheral wall, a spider rib disposed in the peripheral wall for defining a plurality of apertures and for the air to flow into the housing. The securing means includes a pair of ears extended inward of the peripheral wall of the port, and a pair of latches extended from the first nozzle for engaging with the ears and for securing the first nozzle to the port. The spider rib is spaced from the ears for defining a channel between the ears and the spider rib and for receiving the latches of the first nozzle.
A blocking device is further provided for selectively blocking the air inlet and includes a cover for selectively engaged with the air inlet and for selectively blocking the air inlet. The air inlet includes a protrusion extended therefrom, the cover includes an orifice formed therein for receiving the protrusion of the air inlet and for blocking the air inlet.
The air inlet includes at least one hole formed therein for inwardly flowing of the air into the housing, the cover is selectively engaged with the air inlet to selectively block the air inlet. The air inlet includes a peripheral wall provided therein, and limiting means for limiting a relative movement between the cover and the peripheral wall of the air inlet. The limiting means includes a peripheral flange extended radially outward of the peripheral wall of the air inlet, and a peripheral rib extended radially inward of the cover and engaged with the peripheral flange of the peripheral wall for limiting the relative movement between the cover and the peripheral wall of the air inlet.
Further objectives and advantages of the present invention will become apparent from a careful reading of a detailed description provided hereinbelow, with appropriate reference to accompanying drawings.
REFERENCES:
patent: 2920337 (1960-01-01), Smith
patent: 3238556 (1966-03-01), Martin
patent: 4114230 (1978-09-01), MacFarland
patent: 4405158 (1983-09-01), Huberman
patent: 4636230 (1987-01-01), Fan
patent: 4999036 (1991-03-01), Hwang et al.
patent: 5105504 (1992-04-01), Brzoska
patent: 5938410 (1999-08-01), Lee
patent: 5947168 (1999-09-01), Viard
Baxley Charles E.
Moore Chris K.
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