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:
May. 20, 2025
Filed:
Apr. 12, 2021
Medeli Musical Instrument (Zhuhai) Co., Ltd., Zhuhai, CN;
Medeli Electronics (Shanghai) Co., Ltd., Shanghai, CN;
Xiaoxian Fan, Zhuhai, CN;
Dominic Chun Hei Au, Zhuhai, CN;
Guozong Liu, Zhuhai, CN;
Peng Zhou, Zhuhai, CN;
Medeli Musical Instrument (Zhuhai) Co., Ltd., Zhuhai, CN;
Medeli Electronics (Shanghai) Co., Ltd, Shanghai, CN;
Abstract
A spring keyboard is disclosed. The spring keyboard includes a key support () and multiple keys () disposed on the key support (), A back end of a key () is connected with the key support () through a spring (). The key support () includes a first rotary structure (). The key () includes a second rotary structure () matched with the first rotary structure (), and the key () can rotate up and down around the first rotary structure (). The key support () further includes a limit seat (), and the key () further includes a limit reverse buckle () matched with the limit seat (). The limit reverse buckle () faces towards a front end of the one of the keys (). The structure of the spring keyboard is reliable, effectively eliminating the hidden danger of disconnecting the key () from the key support ().