Hidden mounting bracket for a venetian blind or window covering headrail

A wall mounted bracket for releasable securement to a headrail having an open surface defined by a pair of spaced apart edges formed into flanges each having a recess, comprising:

• a generally L-shaped body having unitary back and top plates, a lower edge portion being formed to extend in the same direction as the back plate;
• first and second arms integral with the top plate extending along opposite sides of said plate and each having an internal recess adjacent the backplate and hooklike means adjacent an outer end;
• and
• elongated spring means having an end secured to the top plate edge opposite the back plate extending downwardly and forwardly away from the back plate, a said spring means include first and second spared apart arms extending away from the top plate and a cross bar interconnecting the outer ends of the said arms;
• said bracket on assembly receiving one headrail edge flange within the internal recesses, the other headrail edge flange lockingly engaged with the hooklike means, and the outer end portions of the spring means being anchored within the headrail.