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. 04, 2025
Filed:
Aug. 09, 2023
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Lianghua Ni, Nanjing, CN;
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Abstract
An impact tool includes: an impact mechanism for applying an impact force to an output shaft; and a controller configured to control a motor. The controller is configured to: after the impact mechanism applies the impact force to the output shaft, determine, according to a load parameter of the output shaft in one or more impact cycles, that a fastener is in a fastening state and control the motor to enter a shutdown state. The load parameter of the output shaft includes the number of commutation cycles of the motor and/or a change in the number of commutation cycles of the motor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile