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:
Jan. 13, 2026

Filed:

Dec. 15, 2021
Applicant:

Nanjing Chervon Industry Co., Ltd., Nanjing, CN;

Inventor:

Jianpeng Guo, Nanjing, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01D 34/416 (2006.01); A01D 101/00 (2006.01);
U.S. Cl.
CPC ...
A01D 34/4162 (2013.01); A01D 34/4166 (2013.01); A01D 2101/00 (2013.01);
Abstract

A string trimmer includes a trimmer head and a driving device having a motor for driving the trimmer head to rotate around a rotation axis. The trimmer head includes a spool, a head housing formed with an accommodating space, and a transmission member mounted to the spool. The spool is at least partially accommodated in the accommodating space. The transmission member includes a driving portion. The head housing is formed with a mating portion to mate with the driving portion.


Find Patent Forward Citations

Guo, Jianpeng. (2026). String trimmer and trimmer head (U.S. Patent No. 12520749). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12520749

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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