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.

Date of Patent:
Apr. 09, 2024

Filed:

May. 11, 2018
Applicant:

Changzhou Patent Electronic Technology Co., Ltd., Changzhou, CN;

Inventors:

Weihua Qiu, Changzhou, CN;

Wanlin Cai, Changzhou, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24F 7/00 (2006.01); A24F 40/40 (2020.01); A24F 40/20 (2020.01);
U.S. Cl.
CPC ...
A24F 7/00 (2013.01); A24F 40/40 (2020.01); A24F 40/20 (2020.01);
Abstract

Disclosed is a mouthpiece assembly, including a lower mouthpiece cover and an upper mouthpiece cover. The lower mouthpiece cover is provided with a first air inlet passage and a first air outlet passage. The upper mouthpiece cover is provided with an air exiting hole. The upper mouthpiece cover can move relative to the lower mouthpiece cover. When the upper mouthpiece cover is in a first connection state relative to the lower mouthpiece cover, the first air inlet passage is in communication with the outside, and the first air outlet passage is in communication with the air exiting hole; and when the upper mouthpiece cover is in a second connection state relative to the lower mouthpiece cover, the first air inlet passage and the first air outlet passage are closed by the upper mouthpiece cover.


Find Patent Forward Citations

Loading…