Lens module

Details Lens module Lens module

2008-10-14

2010-06-29

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Lens

With support

C359S819000

Reexamination Certificate

active

07746582

ABSTRACT:
A lens module includes a base, a rotating component, a positioning component and a lens barrel. The base includes at least one first positioning member and a hollow body which defines a receiving hole therein. An annular ledge is formed in the receiving hole. The rotating component includes an annular rotating barrel which is rotatably received in the receiving hole and contacts the ledge. An inner screw thread is formed on the inner wall of the rotating barrel. The positioning component defines a center hole therein and is positioned on the base and restricts the rotating barrel to contact the ledge. The lens barrel includes a main body passing through the center hole and at least one second positioning member engaging with the at least one first positioning member. An outer screw thread is formed on the main body and engages with the inner screw thread.

REFERENCES:
patent: 5091793 (1992-02-01), Goto et al.

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