Locking mechanism for a window treatment fascia

A window treatment system comprising:

• a window treatment assembly having a covering material that is operable between a raised position and a lowered position;
• first and second mounting brackets configured to support the window treatment assembly;
• a fascia having an attachment structure for coupling the fascia to the first mounting bracket, the attachment structure extending from a rear surface of the fascia, the fascia further comprising a locking member extending from the rear surface of the fascia;
• and
• a locking mechanism comprising a lever supported by the first mounting bracket and configured to pivot with respect to the first mounting bracket, the lever comprising a first end having a locking tab and a second end having a contact surface, the locking mechanism further comprising an actuation member configured to contact the contact surface at the second end of the lever, the actuation member configured to be driven in a first direction to cause the second end of the lever to move in the first direction and the first end of the lever to move in a second direction opposite the first direction to operate the locking mechanism into a locked position in which the locking tab is received in a recess of the locking member of the fascia;
• wherein the actuation member is further configured to move in the second direction to operate the locking mechanism into an unlocked position in which the locking tab is not received in the recess of the locking member of the fascia.