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:
Oct. 22, 2019
Filed:
May. 27, 2015
Tomohiko Osaka, Tokyo, JP;
Takashi Ishizawa, Tokyo, JP;
Tomohiko Osaka, Tokyo, JP;
Takashi Ishizawa, Tokyo, JP;
MITSUMI ELECTRIC CO., LTD., Tokyo, JP;
Abstract
In a lens holder driving device, each of an upper plate spring and a lower plate spring, which are respectively provided on an upper side and a lower side of a lens holder, has an inner peripheral side end fixed to the lens holder, an outer peripheral side end fixed to a fixing part, and a plurality of arms. The plurality of arms of the upper plate spring and the plurality of arms of the lower plate spring have substantially identical shapes in a plan view. Each of the plurality of arms includes at least one U-turn shaped portion that is folded over. Either the upper plate spring or the lower plate spring has at least one stretchable and flexible resin that is provided so as to straddle over the mutually opposing parts of the U-turn shaped portion of the plurality of arms.