US Patent 8479951 Pressure activated automatic source switching dispenser system
Patent 8479951 was granted and assigned to Gojo Industries on July, 2013 by the United States Patent and Trademark Office.
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A dispenser includes a housing that holds first and second refill units, each including a product container and a valve assembly that receives product from the product container. An actuator mechanism associates with the first refill unit and is actuated to force air into the associated valve assembly and dispense product from the valve assembly until such time as the product container associated with that valve assembly is empty. When empty, a float valve of the valve assembly prevents the actuation of the actuator mechanism and forces the actuator mechanism to associate with the second refill unit. While so associated, the first refill unit can be replaced, thus, helping to ensure that the dispenser does not run out of product.
US Patent 08479951 Pressure activated automatic source switching dispenser system US Patent 8479951 Pressure activated automatic source switching dispenser system
US Patent 08479951 Pressure activated automatic source switching dispenser system
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