Patent ID: 6893184

Claim:
A positive lock pin for locking a plurality of objects together, comprising: an upper housing; a handle housing in communication with said upper housing; a shaft member located within said handle housing and having a groove slot formed in an upper surface portion thereof to effectuate rotation of said shaft member by engagement of a tool in the slot, said shaft member having at least one recess formed therein; at least one ball retention mechanism disposed within said handle housing adjacent an opening formed in said handle housing, said at least one ball retention mechanism being moveable between a locked position where an outermost point thereof extends outwardly from said opening and an unlocked position wherein said outermost point does not extend outwardly from said opening and a base portion of said at least one ball retention mechanism is received in said at least one recess; said at least one ball retention mechanism being moveable between said locked position and said unlocked position by rotational or reciprocal movement of said shaft member; and a pair of indicator slots formed in a top surface of said upper housing that are alignable with said groove slot to allow visual inspection of the position of the pin through an open top of said upper housing.