Patent ID: 6255649
Filing Date: 2001-07-03
Classification: G03G

Abstract:
A charging device comprising a housing, the housing comprising a housing inboard end and a housing outboard end, an inboard tensioning shaft mounted on the housing inboard end, an outboard tensioning shaft mounted on the housing outboard end, the charging device comprising a grid, the grid comprising a plurality of grid openings embedded therein, the grid comprising a grid inboard end and a grid outboard end with a length extending therebetween, a grid upstream edge and a grid downstream edge with a width extending therebetween, the grid inboard end attached to the inboard tensioning shaft, the grid outboard end attached to the outboard tensioning shaft, the grid comprising a material capable of being stretched along the length and becoming flat when opposing rotating forces are applied to the inboard and outboard tensioning shafts.