Child lock mechanism

A child lock mechanism, comprising:

• a base member adapted to be assembled to a door of a vehicle;
• a first lever rotatably assembled to the base member through an intermediation of a support shaft and adapted to be linked with a latch mechanism;
• a second lever rotatably assembled to the base member and adapted to interlock with an inside door handle;
• and
• an intermediate member arranged between the first lever and the second lever in a state in which the intermediate member is assembled to the first lever and is not assembled to the second lever, the intermediate member being allowed to be retained at an unset position or a set position,
• the child lock mechanism being structured in such a manner that, in a state in which the intermediate member is retained at the unset position, a movement of the second lever is transmittable to the first lever through the intermediation of the intermediate member, and in a state in which the intermediate member is retained at the set position, the movement of the second lever fails to strike the intermediate member and thus is untransmittable to the first lever,
• wherein the intermediate member is movable between the unset position and the set position by a child protector lever which is rotatably assembled to the base member, the child protector lever being allowed to be manually operated from an indoor side of the door,
• wherein the intermediate member is assembled to an end portion of the first lever so as to be movable linearly with respect to the end portion of the first lever, and is coupled to an end portion of a coupling link, the coupling link being rotatably coupled to an end portion of the child protector lever through an intermediation of a support in at a rotation center portion of the coupling link,
• wherein, in the state in which the intermediate member is retained at the unset position, the support shaft and the support pin are arranged coaxially with each other.