Valve assembly for powder dispenser

Fluent material handling – with receiver or receiver coacting mea – Filling means with receiver or receiver coacting means – Receiver actuated discharge means

Reexamination Certificate

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Details

C141S018000

Reexamination Certificate

active

08042581

ABSTRACT:
A powder dispenser comprising a powder container having an opening in a lower end thereof, a powder receptacle having a flange, and a flow control assembly having pivotable flow control arms biased against each other, pivotable activation arms biased towards each other, and connecting members for connecting the flow control arms to the activation arms for concomitant movement, wherein the receptacle flange is operable to engage the activation arms to pivot the activation arms away from each other and thereby pivot the flow control arms away from each other so that powder is allowed to flow through the flow control assembly into the receptacle. The dispenser may further comprise an agitator that is operable to agitate the powder in the container when the flow control arms are pivoting towards or away from each other.

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patent: 2007/0113924 (2007-05-01), Phillips, Jr.
patent: 2008/0302440 (2008-12-01), Crossdale et al.

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