Patent ID: 7581646

Claim:
A process for separating MOG from grapes, the process comprising the steps of: a) providing a oscillating conveyor having a first section with a sealed bottom and a second section with a screened bottom, wherein the oscillating conveyer is disposed to convey material over the first section to the second section, said oscillating conveyer including vibration reduction means, b) initiating the oscillating motion of the conveyer, c) depositing the grapes and MOG on the first section of the conveyor, collecting the grapes that pass over the second section of the conveyor, whereby a substantial portion of the MOG is separated from the grape berries by falling through the screen bottom as the mixture is conveyed from the first section of the oscillating conveyer past the second section of the oscillating conveyer, wherein the screened bottom comprises; i) a first parallel array of triangular shafts, each shaft oriented so that the sides define an upper plane, ii) a second parallel array of wires cross-connecting and stabilizing said array of triangular shafts, iii) wherein said second parallel array of wires is connected to each of the triangular shafts of said first parallel array near the apex thereof, opposite the side that defines a portion of the upper plane.