Patent ID: 8475063
Filing Date: 2013-07-02
Classification: G03B

Abstract:
1. A lens cap comprising a ring adapted to be detachably mounted onto a lens of an optical apparatus, a pair of opposite linkage sets pivotally connected to the ring, a covering structure connected to the linkage sets, a sleeve longitudinally and slidably placed on the ring and connected to the covering structure, wherein the covering structure selectively opens/closes the sleeve when the sleeve is reciprocally moved relative to the ring, wherein the covering structure and the sleeve are used as a lens cap when the covering structure closes the sleeve, wherein the covering structure and the sleeve are used as a lens hood when the covering structure opens the sleeve, wherein the ring includes two opposite T-shaped grooves defined therein and two indentations defined in a side thereof opposite to the lens, wherein each of the indentations is in communication with a corresponding one of the T-shaped grooves.