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:
Dec. 30, 2025
Filed:
Nov. 10, 2022
X'pole Precision Tools Inc., Taoyuan, TW;
Bach Pangho Chen, Claremont, CA (US);
X'POLE PRECISION TOOLS INC., Taoyuan, TW;
Abstract
An electric tool grinding machine has an electric motor, a grip body, a cover connected to the body, an eccentric block in the cover and driven by the motor, and an airflow generating member attaching on the block. The body has at least one air hole having a first distance relative to an axis of the motor, the cover doesn't have a through hole, the airflow generating member has a bottom plate and a plurality of fan blades, a second distance is between a top edge of the blade and the body, a third distance is between an outer edge of the blade and the cover, the second distance is at least 50% of a longitudinal length of the blade, the third distance is at least 50% of a radial length of the blade, and an outer diameter of the airflow generating member is greater than the first distance.