Lock construction for storage box

Claim 1

A lock construction for a storage box of the type having a receptacle portion, a pair of closure portions adapted to be brought together for closure of an end of said receptacle portion, and a handle portion attached to each such closure portion whereby a complete handle is formed when the two closure portions are brought together, said lock construction comprising: at least one locking tab hinged to one of said handle portions and a locking recess defined in the other handle portion, there being one locking recess for each such locking tab; an outer lip attached to each locking tab and an interior ledge defined in each locking recess, the lip and ledge being adapted to engage each other to hold a locking tab in a locking recess; each locking recess being of the same configuration as its respective integral locking tab and the depth of each recess being equal to the thickness of its respective locking tab so that a locking tab will be essentially coplanar with its handle portion when inserted into a recess, and the lip of each locking tab being of the same configuration as the handle portion to which the tab is hinged so that the handle will have a symmetrical configuration when a locking tab is inserted into a locking recess.