Patent ID: 7089949
Filing Date: 2006-08-15
Classification: B08B

Abstract:
1. An apparatus for maneuvering a cleaning wand within an interior of a storage tank by an opening of the storage tank, said apparatus comprising: a base positionable on the storage tank and over the opening of the storage tank; an outer gimbal ring disposed above said base; a plurality of legs supporting said outer gimbal ring with said base; an inner gimbal ring encompassed by said outer gimbal ring; first and second shafts connecting said inner gimbal ring with said outer gimbal ring in a manner to permit oscillation of said inner gimbal ring about a first axis; a sleeve positioned within said inner gimbal ring; third and fourth shafts a connecting said sleeve with said inner gimbal ring in a manner to permit oscillation of said sleeve about a second axis perpendicular to the first axis; a handle; first and second pivotal connectors positioned at spaced apart locations on said handle; a first arm having a first end connected to said first pivotal connector with said first arm passing through said sleeve; a second arm having a first end connected to said second pivotal connector; a swivel bushing surrounding and secured to said first arm and positioned on top of said sleeve to permit rotation of said first arm about a vertical axis as a third axis; third and fourth pivotal connectors positioned at respective second ends of said first and second arms for connection to said cleaning wand.