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:
Feb. 20, 2024

Filed:

Oct. 21, 2021
Applicant:

Globe (Jiangsu) Co., Ltd., Changzhou, CN;

Inventors:

Yuexun Cao, Changzhou, CN;

Naixin Gao, Changzhou, CN;

Lingao Zhang, Changzhou, CN;

Tao Wang, Changzhou, CN;

Fei Huang, Changzhou, CN;

Assignee:

Globe (Jiangsu) Co., Ltd., Changzhou, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 11/00 (2006.01); E21B 3/02 (2006.01);
U.S. Cl.
CPC ...
E21B 11/005 (2013.01); E21B 3/02 (2013.01);
Abstract

The disclosure provides an electric drill comprising: a housing; a motor for driving the electric drill to work; an output assembly for outputting the power of the motor; a first brake assembly including a driving disc and a driven disc respectively arranged on the transmission shaft and the output shaft, the driving disc being meshed with the driven disc to transmit power in a non-braking state, and the driving disc and the driven disc being displaced in the axial direction to be separated from each other in a braking state to stop transmitting power; and a second brake assembly including a mass block and a micro switch connected with the motor, and in a braking state, the mass block displacing and triggering the micro switch to stop the motor.


Find Patent Forward Citations

Loading…