Patent ID: 6830385
Filing Date: 2004-12-14
Classification: G02B

Abstract:
A package having a lock mechanism, comprising:a package main body provided with a nearly rectangular shaped body portion and a head portion positioned at a longitudinal front end of said body portion; a lever and a lever turning axis provided at a bottom of said head portion, said lever being provided with an acting end including a projection and with a forcing end which is provided at a front end of said head portion and is located at the opposite side of said acting end relative to said lever turning axis, so as to make the projection pass through and not pass through a bottom plane of said body portion; a crank axis extending in a width direction of said package main body along the bottom of said head portion, the crank axis being provided with a crank portion that is engaged inside a U-shaped portion of the forcing end of said lever while being surrounded by the U-shaped portion in the forward, up and down directions of the head portion; an arm which is integrated with said crank axis and is rotatable along a side plane of said head portion; and an arm lever extending from said arm in a width direction of said package main body, wherein when said arm lever is positioned over the head portion, said projection passes through said bottom plane of said body portion, and when said arm lever is positioned in front of said head portion, said projection is accommodated in the bottom plane of said body portion.