Patent ID: 7748519

Claim:
A device for vertically conveying material conveyed in a multi-shell vertical conveyor, the device comprising: a vertically oriented support arrangement supporting conveyed material, said support arrangement comprising a plurality of shells, each shell comprising a first vertical guide rail, a second vertical guide rail, a first displaceable adjustable tilting wall, a second displaceable adjustable tilting wall, a first stationary side wall and a second stationary side wall, said first stationary side wall being located opposite said second stationary side wall, said first stationary side wall being located at a spaced location from said second stationary side wall, said first stationary side wall having a first lower horizontal guide rail, said second stationary side wall having a second lower horizontal guide rail, said first displaceable adjustable tilting wall and said second displaceable adjustable tilting wall being located between said first stationary side wall and said second stationary side wall, said first vertical guide rail being arranged adjacent to a lateral area of said first displaceable adjustable tilting wall, said second vertical guide rail being arranged adjacent to a lateral area of said second displaceable adjustable tilting wall, said first displaceable adjustable tilting wall being located opposite said second displaceable adjustable tilting wall, said first displaceable adjustable tilting wall being movable along said first lower horizontal guide rail, said second lower horizontal guide rail and said first vertical guide rail such that said first displaceable adjustable tilting wall moves from a closed position to an open position, said second displaceable adjustable tilting wall being movable along said first lower horizontal guide, said second lower horizontal guide rail and said second vertical guide rail from said closed position to said open position, wherein said first displaceable adjustable tilting wall and said second adjustable tilting wall are adjustable in height, said first displaceable adjustable tilting wall engaging said second displaceable adjustable tilting wall in said closed position, said conveyed material being transferred in a downward direction in said open position via one or more of said shells such that said conveyed material is arranged into one of a next lower shell and a lower transfer point.