Container and pump assembly

Details Container and pump assembly Container and pump assembly

B - Operations, Transporting

65

D

222/52

B65D 83/42 (2006.01) B05B 9/08 (2006.01)

Patent

CA 2011908

ABSTRACT A manual pump for pressurizing a closed tank. The pump has a unitary handle, piston rod, valve seat, and split disc air release. An "O" ring is positioned between the valve seat and the split disc air release. A pump cylinder is disposed in the top of the tank and the unitary member is in the cylinder with the handle extending above the top. A piston rod sleeve closes the top of the pump cylinder and provides a stabilizing guide surface for the piston rod as it is moved in and out in the pump cylinder. On the compression stroke of the piston rod, the resilient "O" ring contacts the valve seat sealing the pump cylinder. On the return stroke, the "O" ring contacts the split disc and allows air to enter the pump cylinder through the split disc . An improved garden-type or utility sprayer is also disclosed incorporating the pump into a portable tank adapted to contain a liquid to be dispensed.

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