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. 03, 2008
Filed:
Mar. 23, 2007
Hung-chih LI, Taichung, TW;
Hung-Chih Li, Taichung, TW;
Genius Electronic Optical Co., Taichung, TW;
Abstract
A fine adjustment mechanism for a zoom lens assembly having a zoom mechanism and for lineally moving the zoom mechanism is disclosed to include a barrel and an adjustment ring sleeved onto the barrel. The zoom mechanism is axially moveably mounted to the barrel. The first adjustment ring is provided at an inner periphery surface thereof with an internal thread engaged with an external thread provided at an outer periphery surface of the barrel such that the adjustment ring is axially moveable along the barrel when the adjustment ring is rotated relative to the barrel. The adjustment ring has three protrusions equiangularly spaced on an end face thereof and supporting the zoom mechanism such that the zoom mechanism is driven by the adjustment ring to move axially relative the said barrel when the adjustment ring is rotated relative to the barrel.