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. 27, 2024

Filed:

Dec. 17, 2020
Applicant:

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

Inventor:

Fei Huang, Jiangsu, CN;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 21/24 (2006.01); E21B 11/00 (2006.01);
U.S. Cl.
CPC ...
H01H 21/24 (2013.01); E21B 11/005 (2013.01); H01H 2221/044 (2013.01); H01H 2221/052 (2013.01); H01H 2231/048 (2013.01); H01H 2239/03 (2013.01);
Abstract

The invention provides an electric drill including a bracket with a handle, a drill rod, a motor assembly, and a switch assembly. The switch assembly includes a first micro switch configured to activate or deactivate the motor assembly, a switch pivotably mounted on the handle through a pivot and cooperating with the first micro switch, and a self-locking button engaged with the switch and configured as: when the self-locking button is in a first state, the self-locking button abuts against the switch to prevent the switch from rotating around the pivot; when the self-locking button is in a second state, the self-locking button is disengaged with the switch, and the switch can rotate around the pivot.


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