Patent ID: 7604210

Claim:
An adjustable extension arm for mounting a device, comprising: a first channel member having a first end, a second end opposite the first end, and a pair of sidewalls extending from the first end to the second end; a second channel member having a first end, a second end opposite the first end, and a pair of sidewalls extending from the first end to the second end; a first endcap having first and second ends, the first end of the first endcap being coupled to the first channel member about the first end thereof and to the second channel member about the first end thereof, and the second end of the first endcap being attachable to a support; a second endcap having first and second ends, the first end of the second endcap being coupled to the first channel member about the second end thereof and to the second channel member about the second end thereof; and a tilting apparatus comprising: a tilter head having a main body and a shaft, the shaft including a first end secured to the main body and a second end coupled to the second end of the second endcap, the tilter head being rotatable relative to the second end of the second endcap about a first axis, and the main body of the tilter head having an opening aligned along a second axis; a tilter bar received within the opening and rotatable about the second axis, the tilter bar adapted to be coupled to the device; and a pair of torsion springs, a first one of the torsion springs coupled between a first end of the tilter bar and the tilter head, and a second one of the torsion springs coupled between a second end of the tilter bar and the tilter head; wherein each torsion spring is received within the opening of the tilter head.