Patent ID: 7600931

Claim:
A lens cap device, comprising: a cap protecting device, having a protecting cap and a lens exposure hole formed through the protecting cap; an actuating device, having a push element and an actuating element, wherein said push element is slidably embedded on said cap protecting device, one end of said actuating element is pivotally connected on said cap protecting device to form a pivot, said actuating element is connected to said push element, said push element has a hook loop hooked to an end of a spring, and the other end of said spring is hooked to said protecting cap; and a lens cap slidably disposed on said cap protecting device, wherein said lens cap is pivotally connected with the other end of said actuating element opposite to said pivot to form a linkage between said lens cap and said actuating element, and said lens cap is driven by said actuating element to cover or open said lens exposure hole.