Patent ID: 7959191

Claim:
An extension pole, comprising: a first tube comprising an inner surface defining an interior space; a second tube positioned at least partially said the interior space of the first tube, with the second tube comprising an outer surface in a telescoping relationship with the inner surface of the first tube; and a locking assembly interconnected to one end of said first tube; wherein: the second tube further comprises at least one recess formed in its outer surface; the locking assembly includes a locking member that is moveable between at least a locked position and an unlocked position; the locking member and the second tube are sized, shaped and located so that the locking member protrudes into the recess when the locking member is in the locked position; and the locking member and the second tube are further sized, shaped and located so that the locking member is spaced away from the recess when the locking member is in the unlocked position; wherein: said second tube further comprises a first interior space, a second interior space and dividing hardware, with both the first interior space being enclosed in a fluid tight manner, the second interior space being at substantially enclosed, and with the at least one recess being formed as a hole extending from the outer surface of the second tube to the second interior space; the first interior space of the first tube is located to be in fluid communication with the first interior space of the second tube; the dividing hardware is sized, shaped and located to prevent the second interior space of the second tube from being in fluid communication with either of the first interior space of the first tube and the second interior space of the second tube; and the locking member and the second tube are sized, shaped and located so that the locking member protrudes into the second interior space when the locking member is in the locked position.