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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 10753619 B1

PDFFull Text
Date of Patent:
Aug. 25, 2020

Filed:

Apr. 10, 2018

Knob structure for electromagnetic oven

Applicant:

Shanghai Chunmi Electronics Technology Co., Ltd., Shanghai, CN;

Inventor:

Hua Yang, Shanghai, CN;

Assignee:

SHANGHAI CHUNMI ELECTRONICS TECHNOLOGY CO., LTD., Shanghai, CN;

Attorney:
Primary Examiner:

Vanessa Girardi

Int. Cl.
CPC ...
D06F 34/30 (2020.01); F24C 3/12 (2006.01); F24C 7/08 (2006.01); H01H 19/14 (2006.01); H05B 6/12 (2006.01); F24C 15/00 (2006.01); F24C 15/14 (2006.01); F24C 7/00 (2006.01);
U.S. Cl.
CPC ...
F24C 7/082 (2013.01); D06F 34/30 (2020.02); F24C 3/122 (2013.01); F24C 3/124 (2013.01); F24C 7/00 (2013.01); F24C 7/08 (2013.01); F24C 15/00 (2013.01); F24C 15/14 (2013.01); H01H 19/14 (2013.01); H05B 6/12 (2013.01); F24C 7/002 (2013.01); H01H 2231/012 (2013.01);
Abstract

A knob structure for an electromagnetic oven includes a knob switch assembly. The knob switch assembly consists of a sleeve button, a rotary encoder, a bracket of a display screen, and a control assembly. The knob switch assembly is connected to a printed circuit board through a through hole. A guide rib is disposed around a circumference of the through hole. The display screen with a protection assembly disposed outside is integrated with the knob switch assembly. The guide rib effectively prevents water from entering inside of the electromagnetic oven, lengthens a service life of the electromagnetic oven, and facilitates cleaning. The knob switch assembly integrated with the display screen realizes miniaturization and reduces a cost. The protection assembly ensures a display effect of the display screen.

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