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:
Jun. 30, 2026
Filed:
Feb. 22, 2023
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Toshinari Yamaoka, Nanjing, CN;
Xuan Xu, Nanjing, CN;
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Abstract
A chain saw includes a housing, an electric motor, a transmission system, a control system including a circuit board assembly, and a power supply assembly. The circuit board assembly obliquely intersects with a first straight line; in a direction of a second straight line perpendicular to a direction of the first straight line and extending along an up and down direction, the electric motor has a projection surface and the circuit board assembly has a projection surface, the projection surface of the electric motor at least partially overlaps the projection surface of the circuit board assembly. In the direction of the first straight line, the power supply assembly has a projection surface and the circuit board assembly has a projection surface, and the projection surface of the power supply assembly at least partially overlaps the projection surface of the circuit board assembly.