Door latch and a dishwasher mounted with the door latch

Patent metadata

Field	Value
Publication number	US-10858859-B2
Application number	US-201414449003-A
Country	US
Kind code	B2
Filing date	Jul 31, 2014
Priority date	Jul 31, 2013
Publication date	Dec 8, 2020
Grant date	Dec 8, 2020

Abstract

A door latch and a dishwasher fitted with a door latch are described. The door latch has a body, a pawl provided with a rotating shaft, a first gap being provided between two ends of the rotating shaft, and a mounting slot being provided in one side of the pawl, a first pin mounted on the pawl, the first pin being mounted in the mounting slot in the pawl, a spring having two ends which are connected to the body and the pawl, respectively, a first end of the spring being connected to the first pin through the first gap. During installation of the door latch, assembly of the door latch is quick and easy because the first pin is put into the pin mounting slot in the pawl from the top side of the pin mounting slot, and repair with changing of components is also easy.

First claim

The invention claimed is:

1. A door latch comprising:
a body;
a pawl provided with a rotating shaft, a first gap is provided between two ends of the rotating shaft, and a mounting slot is provided in one side of the pawl;
a first pin assembled in the pawl, the first pin is assembled in the mounting slot of the pawl; and
a spring having two ends which are connected to the body and the pawl, respectively, a first end of the spring is connected to the first pin through the first gap.

2. The door latch of claim 1 , wherein two ends of the mounting slot are provided with slot walls.

3. The door latch of claim 2 , further comprising:
a second pin assembled with the body; and
a second end of the spring is connected to the second pin.

4. The door latch of claim 3 , wherein the body is provided with a first pair of mounts for mounting the two ends of the rotating shaft, and the body is provided with a second pair of mounts for mounting the second pin.

5. The door latch of claim 4 , wherein a second gap is provided between the two pairs of mounts, and the second end of the spring is connected to the second pin through the second gap.

6. The door latch of claim 5 , further comprising:
a trigger switch mounted on the body, the trigger switch is provided with a trigger button, and one end of the rotating shaft is provided with a protrusion which presses the trigger button of the trigger switch when rotating with the rotating shaft.

7. The door latch of claim 6 , wherein the body and the pawl can make rotational movement relative to each other by rotating around the rotating shaft of the pawl and the second pin of the body.

8. The door latch of claim 2 , wherein the first pin is as long as or is slightly shorter than the mounting slot.

9. The door latch of claim 2 , wherein the ends of the first pin are not chamfered.

10. The door latch of claim 1 , wherein the pawl is made of plastic material.

11. A dishwasher including the door latch of claim 1 .

12. The dishwasher of claim 11 comprising:
a front door assembled with the door latch; and
a door hook assembled opposite the door latch.

13. The door latch of claim 1 , wherein:
the mounting slot has a rectangular cross-section with a length greater than a width.

Assignees

• Illinois Tool Works

Inventors

• Li Song

Classifications

• Y10T292/1051

  Spring projected · CPC title

• A47L15/4259

  Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open · CPC title

• E05C3/22

  the bolt being spring controlled · CPC title

• Y10S292/69

  Washing machine or stove closure latch · CPC title

• E05B15/029 Primary

  Closures, e.g. preventing dirt or paint from entering into the striker · CPC title