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:
Jul. 22, 2025
Filed:
Jun. 22, 2022
Applicant:
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Inventors:
Assignee:
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25F 5/00 (2006.01); H02K 7/14 (2006.01); H02K 9/06 (2006.01); H02K 9/14 (2006.01); B24B 23/02 (2006.01); B25F 5/02 (2006.01); H02K 5/15 (2006.01);
U.S. Cl.
CPC ...
B25F 5/001 (2013.01); B25F 5/008 (2013.01); H02K 7/145 (2013.01); H02K 9/06 (2013.01); H02K 9/14 (2013.01); B24B 23/028 (2013.01); B25F 5/02 (2013.01); H02K 5/15 (2013.01);
Abstract
An electric drill and an electric tool, including: a housing provided with an air inlet and an air outlet; a motor received in the housing, wherein the motor at least comprises a motor shaft; a drill bit, acting on a workpiece; the motor shaft is connected to the drill bit; a gearbox arranged in the housing for accommodating the transmission assembly; a fan supported by the motor shaft; wherein the gearbox is formed with a passage, and at least a part of a flow path of an airflow that enters the housing from the air inlet and flows out of the housing from the air outlet is provided on the passage.