초록 ▼

A vacuum cleaning apparatus is disclosed in which a wheeled carriage supports a plurality of different size collection tanks on a pivot support rod extending between upward extending portions of a handle frame mounted on the carriage base. The rear of each of the tanks includes a transverse groove d

A vacuum cleaning apparatus is disclosed in which a wheeled carriage supports a plurality of different size collection tanks on a pivot support rod extending between upward extending portions of a handle frame mounted on the carriage base. The rear of each of the tanks includes a transverse groove dimensioned to slip onto the pivot support rod. The tanks may be pivoted about the support rod to dump the contents contained therein. A carriage anti-tilt support, pivotally mounted on the carriage, prevents tipping of the carriage during tank dumping.

대표청구항 ▼

A vacuum cleaning system, comprising: a suction device; a vacuum cleaning apparatus collection tank, said tank supporting said suction device, said collection tank including a transversely extending pivot member defining a rearwardly and downwardly opening groove; a carriage including a carriage bas

A vacuum cleaning system, comprising: a suction device; a vacuum cleaning apparatus collection tank, said tank supporting said suction device, said collection tank including a transversely extending pivot member defining a rearwardly and downwardly opening groove; a carriage including a carriage base defining a platform dimensioned to support said tank, a pair of ground engaging wheels positioned on said carriage base adjacent yet spaced from the rear transverse edge of said carriage base, a pair of spaced members extending upwardly from opposite sides of said carriage base, and a pivot support rod extending between said spaced members, said rod dimensioned to be received in the groove of said pivot member of said tank, and anti-tilt means secured to said carriage for providing a three-point support in conjunction with said ground engaging wheels to prevent tipping of said carriage during pivoting of said tank on said pivot support rod.