Patent ID: 7484300

Claim:
A power tool device having an adjustable length, the power tool device comprising: a plurality of pole sections, each having an electrical conductor therein for transferring electrical power, each pole section having at least one of a male stem or a female opening to mate with an adjacent one of a male stem or female opening; wherein each corresponding male stem and female opening are non-rotatably attached at connecting sections to electrically connect the pole sections, a first and second connecting section including a keying feature to prevent rotation when attached and the keying feature on the first connecting section is different then the keying feature on the second connecting section; one of the plurality of pole sections having a power source thereon and another one of the plurality of pole sections having a power tool thereon, wherein when the pole sections are attached, power from the power source is capable of being delivered to the power tool; the plurality of pole sections comprise three pole sections, a first pole section having a power source, a second pole section having a male stem and a female opening on opposite ends thereof, and a third pole section having a power tool thereon; and wherein the keying feature of the first connecting section comprises the male stem having a generally circular shape with a flattened portion and the female opening has a corresponding shape, and the keying feature of the second connecting section has a male stem with a generally circular shape with two flattened portions and the female opening has a corresponding shape, wherein the first pole section may be attached to either the second pole section or the third pole section.