Manually actuated pump

Details Manually actuated pump Manually actuated pump

1987-01-13

1988-11-22

Skaggs, H. Grant

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222385, 417512, B67D 542

Patent

active

047859750

ABSTRACT:
A manually actuated pump that dispenses liquid substances in measured quantities from the contents of bottles and containers which is comprised of a handle capable of being axially displaced against the action of a spring, a cylinder having a pump space whose volume is reduced on manual actuation of the handle, a feed tube connected to the cylinder, a piston driven by the handle that displaces the volume in the cylinder, and two valve-closing surfaces for alternately opening and closing the passage leading to the feed tube and the discharge duct contained in the handle so that only a known measured quantity of liquid will be dispensed from the bottle.

REFERENCES:
patent: 3877616 (1975-04-01), Stevens
patent: 3877617 (1975-04-01), Stevens
patent: 4089442 (1978-05-01), Hafele et al.
patent: 4113145 (1978-09-01), Meshberg
patent: 4122982 (1978-10-01), Giuffredi
patent: 4169546 (1979-10-01), Yuhas et al.

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