Portable power scrubber with leveraged pressure feature

Claim 2

Portable scrubbing device for cleaning aircraft skin surfaces including cleaning fluid supply means, a carriage, a hand operated wand having a cleaning head at one end and a haNdle at the opposite end, said cleaning head including a power driven brush means and means supporting the wand intermediate its ends including a boom mounted on the carriage, a swivel connection bracket carried on the boom above the carriage, said wand having an intermediate portion slidably receivable by said bracket to support the wand for pivoted movement to various operating positions by an operator grasping the handle to variously apply the cleaning head to the surfaces to be cleaned.

Claim 3

Portable scrubbing device according to claim 1 in which said boom comprises multiple sections to be length adjustable.

Claim 4

Portable scrubbing device according to claim 1 including also a motor for driving said brush means and in which said cleaning fluid supply means includes a tank and conduit for delivery of cleaning fluid to said brush means.

Claim 5

Portable scrubbing device for cleaning aircraft skin surfaces including a hand operated wand having a cleaning head comprising a motor driven brush means at one end and a handle at the opposite end, a carriage, a cleaning fluid supply tank carried thereon, a boom pivotally mounted on the carriage, a bracket carried for swiveling movement by said boom, and conduit for delivery of cleaning fluid to said brush means, said wand having an intermediate portion slidably receivable by said bracket to support said wand in various operating positions.

Claim 6

Portable scrubbing device for cleaning aircraft skin surfaces including a hand operated wand having a cleaning head comprising a motor driven brush means at one end and a handle at the opposite end, a carriage, a cleaning fluid supply tank carried thereon, a boom pivotally mounted on the carriage, a bracket carried for swiveling movement by said boom, and conduit for delivery of cleaning fluid to said brush means, said wand having an intermediate portion slidably receivable by said bracket to support said wand in various operating positions.

Claim 7

Portable scrubbing device according to claim 4 which said brush means comprises a generally cylindrical closed cell polyester urethane foam body mounted for axial rotation on said cleaning head, said body being relieved in radial axial planes below the body surface to increase flexing of the body when rotatively applied to an aircraft surface.

Claim 8

A portable scrubbing device for cleaning aircraft skin surfaces including a carriage, a pair of fluid supply tanks on the carriage, air supply means communicating air pressure into the tanks, a multiple section boom pivotally secured to the carriage to move in a plane between said supply tanks, a universally movable bracket carried by the boom at the outer end thereof, a hand operated wand having an intermediate portion slidably received in said bracket and supported thereby above said carriage said wand having a cleaning head at one end including axially rotatable polyester urethane foam brush means and a handle at the opposite end, an air motor means communicating with the air supply means to drive the brush means and fluid delivery means for pressurized fluid in the supply tanks to the cleaning head for application by the brush means to the surfaces to be cleaned as determined by the operator directing the location of the cleaning head by manipulation of the wand handle across the bracket to the boom.

Claim 9

A portable scrubbing device for cleaning aircraft skin surfaces including a carriage, a pair of fluid supply tanks on the carriage, air supply means communicating air pressure into the tanks, a multiple section boom pivotally secured to the carriage to move in a plane between said supply tanks, a universally movable bracket carried by the boom at the outer end thereof, a hand operated wand having an intermediate portion slidably received in said bracket and supported thereby above said carriage said wand having a cleaning head at one end including axially rotatable polyester urethane foam brush means and a handle at the opposite end, an air motor means communicating with the air supply means to drive the brush means and fluid delivery means for pressurized fluid in the supply tanks to the cleaning head for application by the brush means to the surfaces to be cleaned as determined by the operator directing the location of the cleaning head by manipulation of the wand handle across the bracket to the boom.