Patent ID: 7553180
Filing Date: 2009-06-30
Classification: E05B,E05C,H05K,Y10T

Abstract:
1. A locking device attached to a junction box, comprising: a male part comprising: a plug-in unit extended at an angle from said male part; a pair of locking tabs formed on side edges of said plug-in unit; an outward projection disposed above and between said locking tabs; and a slant portion formed on top of said outward projection; a pair of protruded units, said plug-in unit positioned in between said pair of protruded units; and a female part, comprising: a hollow main body having an inside wall; a pair of extrusions disposed at said inside wall of said hollow main body corresponding to said pair of locking tabs of said male part when said plug-in unit inserts into said hollow main body; and a step formed in the lower part each of said extrusions of said female part geometrically shaped to match each of said locking tabs of said male part, wherein inserting said male part into said female part, said locking tabs of said pair of protruded units of said male part and said steps of female part are clamped together at the opposite sides, wherein simultaneously said outward projection of said male part contacts with the proximal end of said extrusions and thereby securely clamping said male part and said female part in a locked position, wherein in a locked position said female part is located between said pair of protruded units of said male part; wherein said plug-in unit is a plate; wherein said male part and said female part are injected molded single piece units; and wherein said device can be formed in a photovoltaic junction box, wherein said male part is the top cover of said junction box, and said female part is said box.