Patent ID: 6901665

Claim:
A pneumatic pruning hook with a telescopic shank, comprising: a handle including a chamber defined therein and adapted to be connected to a compressed air source, a valve mounted in the chamber for selectively allowing the compressed air flowing into the chamber, a lever pivotally mounted on the handle to actuate the valve; the telescopic shank including an outer tube having a first end longitudinally secured to the handle and a second end opposite to the first end of the outer tube, an inner tube partially slidably received in the outer tube, the inner tube having a first end extending into the outer tube and a second end opposite to the first end of the inner tube; a work device secured on the second end of the inner tube; a spiraled hose received in the telescopic shank and having two opposite ends respectively connected the handle and the work device for guiding the compressed air into the work device, the spiraled hose extending with the inner tube; and a safety mounted to the work device for selectively engaged to the work device to prevent the work device from an unexpected operation.