(under subclass 208) Devices in which the discharge assisting means is of such a nature and is so supported that it changes its position of rest relative to the container and the plane of its action in order to engage successive article as the supply is progressively depleted.
SEE OR SEARCH CLASS
222, Dispensing,
405, for fluent material dispensing devices having discharge assistants in which the discharge of material is from the top of the supply.