Rack support construction for dish washer

Details Rack support construction for dish washer Rack support construction for dish washer

1999-09-28

2001-11-27

Coe, Philip R. (Department: 1746)

Cleaning and liquid contact with solids

Apparatus

Miscellaneous

C134S104100, C134S179000, C134S200000

Reexamination Certificate

active

06321762

ABSTRACT:

SPECIFICATION
1. Field of the Invention
The present invention relates to a rack support construction for dish washers, and more particularly, to a rack support construction for dish washer, which comprises a rack support member within a washing tank, and washes tableware in a state, in which a dish rack receiving the tableware is placed on the rack support member.
2. Description of the Related Art
Dish washers for automatically washing tableware such as dishes, rice bowls, tea cups, glasses or the like having been used for eating and drinking have been installed at kitchens in teahouses, restaurants or the like and further in common homes to be widely and suitably used. Such dish washers comprise upper and lower rotatable washing nozzles in a washing tank, the nozzles being rotated by jet reaction forces of hot water to efficiently perform washing by blowing the hot water against tableware in a dish rack received in the washing tank.
With the above-described dish washer, a rack rail serving as a rack support member, on which a dish rack is placed, is arranged within the washing tank, and the dish rack placed on the rack rail is positioned between the upper and lower washing nozzles. As shown in, for example,
FIG. 19
, a rack rail
10
comprises a main body
11
in the form of rectangular-shaped frame composed of elongated sheet members, downwardly inclined leg sections
14
formed on ends of the main body
11
to be spaced from each other in a longitudinal direction and to correspond to right and left inner side walls
13
,
13
(only one shown) spaced from each other in the washing tank
12
in a widthwise direction, and latch sections
15
provided on the ends of the respective leg sections
14
to be bent vertically. As shown in
FIGS. 19
and
20
, the respective latch sections
15
are inserted into through holes
16
a
, which are arranged in corresponding positions on the inner side walls
13
,
13
, from above, whereby the rack rail
10
is mounted to the washing tank
12
with the main body
11
in horizontal position.
With the above-described dish washer, the rack rail
10
must be dismounted from the washing tank
12
to be placed outside when an interior of the washing tank
12
should be cleaned periodically or the washing nozzles should be inspected. More specifically, this case involves a difficulty that it is troublesome to find a location, at which the rack rail
10
is placed, in a small spot such as kitchens and the like, and the rack rail occupies a good deal of space, and that the rack rail
10
becomes soiled and unsanitary while it is placed outside the dish washer. Further, there is pointed out such a defect that operations of mounting and dismounting of the rack rail
10
are complicated to take much time for cleaning, inspection and the like.
SUMMARY OF THE INVENTION
The present invention has been proposed to suitably solve the above-described problems inherent in the prior art, and has its object to provide a rack support construction for dish washers, which makes it possible to simply perform cleaning and inspecting an interior of a washing tank.
To solve the above-described problems and to suitably attain an intended object, the present invention provides a rack support construction in a dish washer for washing tableware received in a dish rack contained in a washing tank, the rack support comprising a rack support member, which is pivotally supported in the washing tank to be made turnable, and on which the dish rack can be placed, a positioning portion or portions formed in a region away from a pivot or pivots of the rack support member, and a restriction member or members, which are provided on an inner wall of the washing tank and on which the positioning portions are placed, and wherein the positioning portion or portions of the rack support member are placed on the restriction member or members whereby the rack support member is kept in a horizontal position to enable placing thereon the dish rack, and wherein the rack support member is turned in a direction, in which the positioning portion or portions are spaced away from the restriction member or members whereby an interior of the washing tank can be opened.


REFERENCES:
patent: 4744379 (1988-05-01), Goettel
patent: 4919162 (1990-04-01), Lumby et al.
patent: 5027840 (1991-07-01), Nezworski
patent: 5131419 (1992-07-01), Roberts

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