Cleaning and liquid contact with solids – Apparatus – With means to movably mount or movably support the work or...
Patent
1984-07-26
1987-03-31
Hornsby, Harvey C.
Cleaning and liquid contact with solids
Apparatus
With means to movably mount or movably support the work or...
134148, 134110, 49 41, 312238, 210407, B08B 302
Patent
active
046535209
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a dishwasher for large articles.
The invention is primarily intended to achieve a dishwasher of intermediate size which constitutes an improvement over the dishwasher disclosed in U.S. Pat. No. 4,374,443 and also over certain other known dishwashers of intermediate size, in which a door is folded down and a washing article carrier is pulled out like a basket.
Heavy dishwashers are often used for washing relatively heavy vessels which must be lifted into and out of the carrier or rack. It is in itself relatively heavy work to push a car with a washing article carrier or a carrier in the form of a sliding basket filled with heavy articles to be washed, and if the carrier or rack is also at too high a level, lifting heavy mixing vessels and pots for example into and out can produce overexertion. In addition to this heavy lifting, one may have to bend over the carrier in order to place the vessel in the right position or remove if from this position. The risk of injury is considerable.
The purpose of the present invention is therefore primarily to achieve an intermediate size dishwasher which makes it possible to reduce the amount of work required in washing articles.
According to the invention, the door can be swung about a vertical axis located inside the washing chamber of the dishwasher in such a position that the door, together with at least one dishrack or carrier can be swung to a position adjacent the rear wall of the washing chamber with the dishrack or carrier facing the door opening. Very little effort is required for this swinging movement if the door is correctly hung. It is also possible to swing the door so that the carrier is placed obliquely in either direction in the door opening so that it can be easily filled with articles to be washed from one side or the other of the dishrack or carrier; or when the rack faces straight at the door opening, heavy vessels and the like can be lifted to a special rack made according to the invention, the features of which are revealed in the subclaims. One of the supporting planes of the dishrack can be placed at a comfortable level to enable a heavy vessel to be transported and placed on the rack with practically no lifting involved. The dishrack or carrier according to the invention is also arranged for maximum utilization of the rack space to load it with various sizes of vessels e.g. 2/1, 1/1, 1/2, 2/3, 1/3, 1/4, 1/6 and 1/9 according to the Gastronorm system or corresponding national standard sizes.
The dishrack or carrier according to the invention can be used with advantage in dishwashers in which granules are mixed in the dishwasher to mechanically work the washing articles in combination with spraying of liquid from the size of the rack. In connection with such spraying, the invention proposes a new separation device as revealed in the accompanying subclaims for separating granules from the liquid. In the final phase of washing, it is desirable to spray liquid without granules to rinse the articles free of granules, and for this the separation device is set for separating out granules. The new separation device according to the invention eliminates the risk of granules clogging the separation means such as a straining cloth, a perforated or slotted plate by virtue of the fact that the liquid with granules is drawn up against the underside of the straining cloth, and granules with a larger specific weight than the liquid will, due to their own weight, tend to sink down against the effect of the flow forces.
These and other characteristic features and advantages of the invention will be explained in more detail with reference to an embodiment shown in the accompanying drawings of a dishwasher according to the invention with the various new features.
FIG. 1 is a front elevation of a dishwasher according to the invention with a swinging door.
FIG. 2 is a secton along the line 2--2 in FIG. 1.
FIG. 3 is a cross section along the line 3--3 in FIG. 1 with the door closed.
FIG. 4 shows the door together with the dishracks swun
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Hornsby Harvey C.
Stinson Frankie L.
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