# US 10,499,790 B2 · Dishwasher support structures

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- Number: US 10,499,790 B2
- Document ID: US10499790B2
- Status: Granted
- Kind: B2
- Application number: 15/483,389
- Filed: 2017-04-10
- Published: 2017-07-27
- Granted: 2019-12-10
- Earliest claimed: 2012-10-23
- Assignees: Whirlpool Corporation
- Applicants: Whirlpool Corporation
- Inventors: Harshal J. Bhajak; Rexford W. Cordill; Steven J. Kuehl; Thomas M. O'Brien; Donald J. Wilson
- Web page: https://patentgrep.com/patent/US10499790B2

## CPC

- A47L 15/4272: {Supporting arrangements for the tub}
- A47L 15/22: Rotary spraying devices
- A47L 15/4225: {Arrangements or adaption of recirculation or discharge pumps}
- A47L 15/4246: {Details of the tub (A47L15/4272 takes precedence; insulation arrangements A47L15/4209)}
- A47L 15/4285: {Water-heater arrangements (steam generating arrangements A47L15/4234)}
- A47L 15/4293: {Arrangements for programme selection, e.g. control panels; Indication of the selected programme, programme progress or other parameters of the programme, e.g. by using display panels}
- A47L 15/507: {Arrangements for extracting racks, e.g. roller supports}
- A47L: DOMESTIC WASHING OR CLEANING (brushes A46B; cleaning quantities of bottles or of other hollow articles of one kind B08B9/00; laundry D06F); SUCTION CLEANERS IN GENERAL (cleaning in general B08)

## Abstract

Support structures for dishwashers are disclosed. An example dishwasher for treating dishes according to a cycle of operation includes a tub defining a treating chamber with an opening, a frame coupled to and structurally supporting at least a portion of the tub, a dish rack mount coupled to the frame, and a dish rack coupled to the dish rack mount, wherein the weight of the dish rack is substantially borne by the frame.

## Claims

### Claim 1

A dishwasher comprising:
a tub defining a treating chamber, the tub including an opening and opposing sidewalls;
a collar coupled to the tub, the collar being formed separately from the tub and located outside the treating chamber, wherein the collar includes a first wall extending from a first one of the opposing sidewalls in a direction perpendicular to the first one of the opposing sidewalls, and wherein a plurality of slots is formed in the first wall;
a first bracket coupled to the collar, the first bracket being located adjacent to the first one of the opposing sidewalls and including a first end and a second end, wherein the first end of the first bracket includes a plurality of tabs, the plurality of tabs extending through the plurality of slots;
a first dish rack mount coupled to the first bracket; and
a first dish rack coupled to the first dish rack mount, wherein the collar is configured to bear the weight of the first dish rack.

### Claim 2 (depends on 1)

The dishwasher of claim 1, wherein the first bracket and the first dish rack mount are configured to transfer the weight of the first dish rack to the collar.

### Claim 3 (depends on 1)

The dishwasher of claim 1, wherein the first bracket is located outside the treating chamber.

### Claim 4 (depends on 1)

The dishwasher of claim 1, further comprising a base coupled to the collar, the base being formed separately from the tub and configured to transfer the weight of the dishwasher to a surface beneath the dishwasher.

### Claim 5

A dishwasher comprising:
a tub defining a treating chamber, the tub including an opening and opposing sidewalls;
a collar coupled to the tub, the collar being formed separately from the tub and located outside the treating chamber, and the collar at least partially surrounding an outside of the tub;
a first bracket coupled to the collar, the first bracket being located adjacent to a first one of the opposing sidewalls;
a second bracket coupled to the collar, the second bracket being located adjacent to the first one of the opposing sidewalls;
a first dish rack mount coupled to the first bracket;
a second dish rack mount coupled to the second bracket;
a first dish rack coupled to the first dish rack mount; and
a second dish rack coupled to the second dish rack mount, wherein the collar is configured to bear the weight of the first dish rack.

### Claim 6 (depends on 5)

The dishwasher of claim 5, further comprising a base coupled to the collar, the base being formed separately from the tub and configured to transfer the weight of the dishwasher to a surface beneath the dishwasher.

### Claim 7 (depends on 6)

The dishwasher of claim 6, wherein the second bracket is configured to transfer the weight of the first dish rack from the collar to the base.

### Claim 8 (depends on 6)

The dishwasher of claim 6, wherein the second bracket and the second dish rack mount are configured to transfer the weight of the second dish rack to the base.

### Claim 9 (depends on 5)

The dishwasher of claim 5, wherein the first bracket and the first dish rack mount are configured to transfer the weight of the first dish rack to the collar.

### Claim 10 (depends on 5)

The dishwasher of claim 5, wherein the first bracket is located outside the treating chamber.

### Claim 11 (depends on 10)

The dishwasher of claim 10, wherein the second bracket is located outside the treating chamber.

### Claim 12

A dishwasher comprising:
a tub defining a treating chamber, the tub including an opening and opposing sidewalls;
a collar coupled to the tub, the collar being formed separately from the tub and located outside the treating chamber;
a first dish rack mount located adjacent to a first one of the opposing sidewalls;
a second dish rack mount located adjacent to the first one of the opposing sidewalls;
a first dish rack coupled to the first dish rack mount;
a second dish rack coupled to the second dish rack mount;
a support member coupled to the collar, the first dish rack mount and the second dish rack mount, wherein the support member includes a first end coupled to the collar and a second end coupled to the collar, and wherein the collar is configured to bear the weight of the first and second dish racks.

### Claim 13 (depends on 12)

The dishwasher of claim 12, wherein the support member is configured to transfer the weight of the first and second dish racks from the first and second dish rack mounts to the collar.

### Claim 14 (depends on 12)

The dishwasher of claim 12, wherein the collar is coupled to the tub around the opening.

### Claim 15 (depends on 12)

The dishwasher of claim 12, wherein the support member is U-shaped.

### Claim 16 (depends on 12)

The dishwasher of claim 12, wherein the support member is tubular.

### Claim 17 (depends on 12)

The dishwasher of claim 12, further comprising a base coupled to the collar, the base being formed separately from the tub and configured to transfer the weight of the dishwasher to a surface beneath the dishwasher.
