Patent ID: 7407116

Claim:
A spray washer structure for attaching to an aircraft and washing insulators on high-voltage power transmission lines comprising: a pivot seat supported by a plurality of legs, the legs being attached to the aircraft; a core tube pivotally connected to the pivot seat at a mid-section of the core tube via a pivot; an inner tube passed through and pivotable within the core tube; and a nozzle secured at a front end of the inner tube by an adjustable joint, the nozzle is also connected to a hose inserting from the front end of the inner tube and passing through it to be exposed at the rear end thereof to be connected to a water source; wherein the pivot is connected to one end portion of the core tube by the use of at least a resilient buffer link; a handle having a short bent bar attached on each side of the inner tube positioned at another end portion of the core tube is provided to facilitate the holding and manipulating for the operator.