The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6845545 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 25, 2005

Filed:

Mar. 05, 2003
Applicants:

Jae-myeong Han, Kwangju, KR;

Myung-wouk Kim, Kwangju, KR;

Yong-pil Park, Suwon, KR;

Inventors:

Jae-Myeong Han, Kwangju, KR;

Myung-Wouk Kim, Kwangju, KR;

Yong-Pil Park, Suwon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05F 108 ;
U.S. Cl.
CPC ...
Abstract

An apparatus to automatically close a refrigerator door when the door is opened at a predetermined angle or less. The apparatus includes a hinge mechanism having a first hinge shaft provided at the door, which allows the door to be coupled to a refrigerator cabinet and allows the door to be rotated about the hinge shaft, a tension spring provided at the refrigerator cabinet to apply the door with a tension force for closing the door, and a unit to asborb shock generated when the door is closed by the tension spring, and the a unit to absorb shock includes a housing coupled to the cabinet, and a movable shaft which is received in the housing at its one end and connected to the door at the other end to be linearly moved in the housing, and wherein the tension spring is connected to the cabinet at its one end and connected to the movable shaft at the other end to apply the door with a tension force of closing the door. Thus, when the door is opened at an angle of 90 degrees or less, the door is automatically closed and when the door is opened at an angle greater than 90 degrees, the door remains in its position. Accordingly, use of the refrigerator is convenient, and the maximum rotation angle of the door can be controlled according to a user's desire.


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Han, Jae-Myeong. (2005). Apparatus to close a door of a refrigerator (U.S. Patent No. 6845545). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6845545

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