초록

A toner dispenser having a resilient open-cell foam dispensing roll and a dispensing edge in deforming contact with the roll. The edge is both movable and contoured along the axis of the roll to vary both the toner dispensing rate and the uniformity of the dispensing rate along the edge.

대표청구항 ▼

In a toner dispenser including a rotatable resilient dispensing member, and an edge in frictional contact with said member to dispense toner, and wherein the rate of toner dispensation from said roll varies as a function of the deformation of said roll by said edge, the improvement comprising; means

In a toner dispenser including a rotatable resilient dispensing member, and an edge in frictional contact with said member to dispense toner, and wherein the rate of toner dispensation from said roll varies as a function of the deformation of said roll by said edge, the improvement comprising; means for mounting said edge for movement toward and away from said roll wherein the distance between the edge and the axis of said roll varies along said axis and wherein the edge is spaced closer to said axis adjacent both ends of said roll relative to central portion of said roll.