Fluid sprinkling – spraying – and diffusing – Flow line or nozzle attached or carried handgrip or handle
Patent
1999-04-14
2000-10-10
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Flow line or nozzle attached or carried handgrip or handle
239423, 239526, 239DIG14, 2851201, 2851321, B05B 702
Patent
active
061292958
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD OF THE INVENTION
This invention relates to a device in spray guns provided with hoses of the kind which comprise a head having means for connecting at least a first hose for feeding liquid from a liquid source distanced from the gun as well as a handle member having means for connecting a second, coarser hose for feeding compressed air from a compressed air source likewise distanced from the gun, the compressed air having the purpose of atomizing the liquid into fine particles at the latest when said liquid leaves a nozzle included in the gun head.
BACKGROUND OF THE INVENTION
In spray guns of the kind generally referred to above, the liquid source and compressed air source are usually located at a large distance from the gun, for instance within the range of 5-15 meters or more. Thus, in previously known spray guns, the long hoses run separated from each other from the gun to the sources for liquid and compressed air, respectively. In practice, this implies that the handling of the hoses is complicated. It often happens that the hoses get entangled in each other and/or in other objects in the surroundings, in particular when a spray gun is used in narrow spaces or in spaces which are cluttered up with objects, and requires frequently recurring removals. Therefore, in order to facilitate the handling of the hoses in practice, the temporary measure of connecting the hoses side by side next to each other by means of a plurality of longitudinally separated point connection elements, such as tape, strings, insulating tape or the like, is often taken. However, such provisional arrangements do not constitute any satisfactory solution of the problem, since the individual connection elements easily get stuck in surrounding objects when the hoses held together are drawn in either direction along the length extension thereof.
OBJECTS AND FEATURES OF THE INVENTION
The present invention aims at obviating the above-mentioned inconveniences of previously known spray guns and at providing an improved hose drawing device for such guns. Thus, a primary object of the invention is to provide a hose drawing device in which the risk of tangling the different hoses is eliminated. It is also an object to provide a hose drawing device which clears away the risk of the hoses getting stuck in different objects when they are drawn along the length extension thereof. Another object of the invention is to provide a hose drawing device, which is proper and simple.
According to the invention, at least the primary object is attained by the features defined in the main claim. Preferred embodiments of the hose drawing device according to the invention are furthermore defined in the dependent claims.
BRIEF DESCRIPTION OF THE APPENDED DRAWING
In the drawing:
FIG. 1 is a schematic view showing a spray gun together with an associated hose drawing device according to the invention, and
FIG. 2 is a section on an enlarged scale through a coupling portion characteristic for the hose drawing device.
DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT OF THE INVENTION
In FIG. 1, numeral 1 generally designates a spray gun, which comprises a head 2 and a handle member 3 protruding at an angle from the rear end portion thereof. There is a nozzle generally designated 4 at the front end of the gun head 2. A hose connection means 5, which in the example is in the shape of a nipple, is arranged at the bottom of the head 2. An analogous nipple 6 is also mounted on the lower, free end of the handle member 3. A first, relatively thin hose is designated by 7, the purpose of which is to feed liquid to a chamber (not shown) included in the gun head. A second, coarser hose 8 has the purpose of feeding compressed air to the gun, more precisely to a compressed air duct (not shown) inside the gun mouthing in the nipple 6. A trigger finger 9 has the purpose of activating the gun with the purpose of ejecting liquid via the nozzle 4. In this connection, it should be pointed out that the compressed air (or other pressurized gas) has the purpose of
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patent: 4368219 (1983-01-01), Nagata et al.
patent: 5195680 (1993-03-01), Holt
patent: 5267693 (1993-12-01), Dickey
Ecco Finishing AB
Evans Robin O.
Kashnikow Andres
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