Patent ID: 8276867

Claim:
An adjustable projector bracket assembly comprising: a pivoting device having a base; and a beam mounted laterally on and connected pivotally to the base and having a bottom surface; and an elongated mount groove formed in the bottom surface of the beam; a moving device slidably connected with the pivoting device and having a moving mount mounted below the beam and having a head and a bottom opposite to the head; two reversed L-shaped clamps slidably mounted in the mount groove, mounted in and protruding out from the head of the moving mount and capable of approaching each other; and a mount bolt rotatably and radially mounted in the head of the moving mount and through the clamps; and an adjusting device mounted on the bottom of the moving mount and having a projector bracket mounted below the bottom of the moving mount and having at least three arm grooves formed through the project bracket; and at least three supporting arms respectively connected pivotally and slidably to the at least three arm grooves, each supporting arm having an adjusting end slidably connected with a corresponding arm groove; and a mounting end opposite to the adjusting end and having a through hole formed though the mounting end.