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:
Apr. 28, 2026
Filed:
Jan. 18, 2023
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Shuhei Ayukawa, Osaka, JP;
Makoto Umeda, Osaka, JP;
Abstract
The lens drive device comprises a voice coil motor, a focus lens unit, a main shaft, an insertion hole, and a screw. The main shaftguides the focus lens unitin its movement in the optical axis direction. The insertion holeis provided in the focus lens unit, and the main shaftis inserted therein. The screwis provided to the focus lens unit, and suppresses looseness that occurs between the insertion holeand the main shaftby being attracted in a specific direction together with the focus lens unitby the magnetic force of the magnetof the voice coil motor. The voice coil motoris disposed below the position where the screwis provided in the focus lens unitin the vertical direction.