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. 02, 2026
Filed:
Jun. 06, 2025
Topray Mems Inc., Hsinchu City, TW;
Chin-Sung Liu, Hsinchu City, TW;
Chi-Ling Chang, Hsinchu City, TW;
Hsiao-Ming Chien, Hsinchu City, TW;
TOPRAY MEMS INC., Hsinchu, TW;
Abstract
A mouse scroll wheel mechanism includes a wheel base and a wheel body, wherein the wheel base is provided with an axial hole, and a plurality of bearings are arranged at different positions in the axial hole; a rotating shaft extending outward is arranged at the center of the wheel body in a plurality of the bearings, so that the wheel body can rotate outside the wheel base, and the rotating shaft can also move in the bearing in an axial direction over a short distance so that the wheel body can move to a first position and a second position; a mechanical pressure traction structure is provided between the wheel body and the wheel base, the first position is a flywheel mode wherein the wheel body can rotate freely, and the second position is a toggle mode wherein the wheel body rotates intermittently.