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.:
Date of Patent:
Nov. 02, 2021
Filed:
Oct. 17, 2017
China Tobacco Yunnan Industrial Co., Ltd, Kunming, CN;
Ru Wang, Kunming, CN;
Chengya Wang, Kunming, CN;
Xu Zeng, Kunming, CN;
Jingmei Han, Kunming, CN;
Ping Lei, Kunming, CN;
Shanzhai Shang, Kunming, CN;
Zhiqiang Li, Kunming, CN;
Dalin Yuan, Kunming, CN;
Changshan Zhao, Kunming, CN;
Shiwei Li, Kunming, CN;
Yongkuan Chen, Kunming, CN;
Hongyong Luo, Kunming, CN;
Fengren Fang, Kunming, CN;
CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD, Kunming, CN;
Abstract
A compression charging device includes a cigarette case charging part and a cigarette set charging part. The cigarette case charging part includes a positive electrode cover, a positive spring, a negative spring, a charging insulation sleeve, and a PCB. The cigarette set charging part includes a filter holding seat, a charging base, and an insulation fixing sleeve. The compression charging device is configured for cigarette set charging. The negative spring and the positive spring have a double function of electrical conduction and bouncing.