Refrigerator

US10126041B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-10126041-B2
Application numberUS-201615237703-A
CountryUS
Kind codeB2
Filing dateAug 16, 2016
Priority dateAug 27, 2014
Publication dateNov 13, 2018
Grant dateNov 13, 2018

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A refrigerator includes a cabinet having a storage chamber, a main door pivotably mounted to the cabinet while including an opening provided at an inside of the main door, and a stepped portion provided around the opening, a sub-storage chamber mounted at the inside of the main door, a sub-door mounted to the main door, to allow a user to have access to the sub-storage chamber, the sub-door having opposite side surfaces with front portions protruding forwards of a front surface of the main door while having a greater width than the opening and stepped portion between the front portions of the side surfaces, to cover the stepped portion by the side surfaces, and a hinge pivotably mounted to the main door and coupled to the sub-door while being bent at an intermediate portion thereof, to pivotably support the sub-door with respect to the main door.

First claim

Opening claim text (preview).

What is claimed is: 1. A refrigerator comprising: a cabinet having a storage chamber; a main door coupled to the cabinet via a first upper hinge and a first lower hinge, having a front surface, a rear surface, edge surfaces, and a front opening, and configured to open or close the storage chamber; a first gasket mounted along a peripheral area of the rear surface of the main door; a metal member mounted on the front surface of the main door; a plurality of racks mounted on the main door; a sub-door coupled to the main door via a second upper hinge and a second lower hinge, having a front surface, a rear surface, and edge surfaces, and configured to rotate in a direction identical to the main door; a second gasket mounted along a peripheral area of the rear surface of the sub-door, having a magnetic member, and configured to stick to the front surface of the main door due to attraction force with the metal member when the sub-door closes; a handle groove configured to allow a user to pull the sub-door, the handle groove recessed inward from one of the edge surfaces; a groove portion provided beside the handle groove and in communication with the handle groove; an axial groove formed within the handle groove; a lever member configured to rotate within the handle groove and having a pivot axial protrusion which pivots in the axial groove; a hook member having a first extension that transfers force from the lever member, and a hook bent from the first extension portion and protruding rearwards from the rear surface of the sub-door, the hook member provided within the groove portion and configured to rotate vertically about an axial protrusion; an engagement groove provided on a front surface of the main door and configured to accept the hook; and an elastic member provided within the groove portion and configured to provide an elastic force to the hook member to engage with the engagement groove, wherein a lever projecting from the lever member is arranged within the groove portion. 2. The refrigerator according to claim 1 , wherein the main door has a frame cover defining the front surface, and wherein the metal member is installed in the frame cover. 3. The refrigerator according to claim 1 , further including: a bracket having a groove coupled to the axial protrusion of the hook member and mounted on the groove portion. 4. The refrigerator according to claim 1 , wherein the lever is formed on a surface of the lever member, wherein the lever contacts the first extension. 5. The refrigerator according to claim 1 , wherein the handle groove has a rectangular shape. 6. The refrigerator according to claim 1 , wherein the lever member forms a rectangular shape. 7. The refrigerator according to claim 1 , wherein the main door has a cap decoration defining the main door, and wherein the handle groove is formed on the cap decoration.

Assignees

Inventors

Classifications

  • with special compartments, e.g. butter conditioners · CPC title

  • Door in door constructions · CPC title

  • Doors; Covers (F25D23/08 takes precedence {locks or fastenings E05B65/0042}) · CPC title

  • Other devices specially designed for securing wings, {e.g. with suction cups}(movable draft sealings additionally used for bolting E06B7/18) · CPC title

  • Insulation · CPC title

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Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US10126041B2 cover?
A refrigerator includes a cabinet having a storage chamber, a main door pivotably mounted to the cabinet while including an opening provided at an inside of the main door, and a stepped portion provided around the opening, a sub-storage chamber mounted at the inside of the main door, a sub-door mounted to the main door, to allow a user to have access to the sub-storage chamber, the sub-door hav…
Who is the assignee on this patent?
Lg Electronics Inc
What technology area does this patent fall under?
Primary CPC classification F25D23/028. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Nov 13 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).