Patent ID: 8651258

Claim:
An attachment system for the transfer of material along a chute from a first location at a first height to a second location at a second height, the attachment system comprising: a first connection including: a top housing having: a top collar including a plurality of top collar attachment holes; a plurality of top fasteners, each top fastener shaped to engage one of the top collar attachment holes and removably attach the top collar to the chute; a top tubular section extending from the top collar and having a first diameter and an axis; and a top annular plate fixed to the top tubular section and spaced from the top collar, the top annular plate including a plurality of top housing attachment apertures and a plurality of protrusions spaced around the top annular plate and extending radially outward from the axis; a bottom housing having: a bottom collar including bottom collar attachment holes; a plurality of bottom fasteners, each bottom fastener shaped to engage one of the bottom collar attachment holes and removably attach the bottom collar to the second location; a bottom tubular section extending from the bottom collar and having a mouth positioned opposite the bottom collar, the mouth having a second diameter larger that the first diameter, wherein at least a portion of the top tubular section is positionable within the mouth of the bottom tubular section; and a bottom annular plate fixed to the bottom tubular section and spaced from the bottom collar, the bottom annular plate including a plurality of bottom housing attachment apertures; a plurality of connecting fasteners, each connection fastener shaped to engage one of the top housing attachment apertures and one of the bottom housing attachment apertures to removably attach the top annular plate to the bottom annular plate; and a rotary tool having a plurality of securing locations shaped to removably engage the plurality of protrusions, the rotary tool shaped to rotate the top housing independent of the bottom housing absent the plurality of connecting fasteners between the top annular plate and the bottom annular plate.