(under the class definition) Apparatus (1) in which the supply container is supported for relative motion with respect to means which sustains it against the forces of gravity or (2) wherein there is some means constraining the supply to have motion relative to the ground, e.g., (rolling contact) in addition to translating motion, to cause discharging of the contents.
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146+, where the supply tank is mounted on a vehicle but has no motion relative to the vehicle chassis for discharging of contents.