Patent ID: 7506850

Claim:
A quick-detachable mounting assembly comprising: a mounting unit, said mounting unit comprising a mounting plate for supporting an external member and a coupling plate coupled to said mounting plate, said mounting plate having a plurality of mounting through holes on diagonal corners thereof for fastening to an external member to be supported thereon, said coupling plate having at least one hook protruded from a top side thereof, a stop flange downwardly extending from a bottom side thereof, and at least one opening at one of two opposite sides of said stop flange; and a locking unit, said locking unit comprising a connecting plate, said connecting plate having at least one hook hole disposed near a top side thereof and respectively coupled to the at least one hook of said coupling plate of said mounting unit, a flat bottom lug downwardly extending from a bottom side thereof; and a pivot hole near a top side of said flat bottom lug, a locking bar pivoted to said connecting plate, said locking bar having a pivot hole on a top end thereof, a bottom end suspending below said flat bottom lug, and a locking tongue perpendicularly extended from a back side thereof, a pivot bolt fastened to the pivot hole of said locking bar and the pivot hole of said connection plate to pivotally secure said locking bar to said connecting plate, and a torsional spring supported on said pivot bolt; and wherein said locking bar is biasable relative to said connecting plate between a first position where said torsional spring is compressed to force said locking bar and said connecting plate toward said coupling plate and said locking tongue is hooked on said stop flange and said flat bottom lug to lock said connecting plate to said coupling plate, and a second position where said locking tongue is suspending in said at least one opening of said coupling plate to release said torsional spring for allowing removal of said connecting plate from said coupling plate.