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. 21, 2026
Filed:
Dec. 19, 2024
Lenovo (Singapore) Pte. Ltd., Singapore, SG;
Yalu Liu, Yokohama, JP;
Haonan Xiao, Yokohama, JP;
LENOVO (SINGAPORE) PTE. LTD., Singapore, SG;
Abstract
A hinge device includes a first shaft that is fixed to a display chassis, a second shaft that is fixed to a main body chassis, connecting plates to which the first shaft and the second shaft are rotatably fitted, a synchronization unit configured to synchronously rotate the first shaft and the second shaft in opposite directions with respect to the connecting plates, a first torque application unit configured to apply a frictional force to a peripheral surface of the first shaft by fitting the first shaft to the first torque application unit, and a second torque application unit configured to apply a frictional force to the second shaft in an axial direction.