Dispensing – With lock or fastening seal – Plural
Patent
1978-09-28
1980-05-27
Spar, Robert J.
Dispensing
With lock or fastening seal
Plural
215209, 222207, 222383, 222521, 239600, B67D 532
Patent
active
042046149
ABSTRACT:
A fluid dispenser includes an actuator containing fluid passages defining a discharge path for fluid from a supply container to a discharge orifice, a needle valve lying adjacent the discharge path, a nipple surrounding the needle valve and a nozzle cap having an end wall containing a discharge orifice and being threadedly engaged with the nipple for movement of the end wall toward and away from the valve upon cap rotation. Discharge through the orifice may be positively shut-off upon rotation of the cap which causes the valve to be seated against the discharge orifice, and the nozzle cap may be locked in an off position upon engagement between a spring biased tab provided on the actuator and an inwardly extending shoulder provided on the skirt of the cap. A ramp member on the cap includes a ramp surface and the shoulder so as to effect inward deflection of the tab upon engagement with the ramp surface during cap rotation toward the off position. The tab then snaps into place against the shoulder upon continued cap rotation so as to prevent rotation of the cap which would cause the valve to unseat from the discharge orifice. The tab is manually deflectable for disengaging it from the shoulder to permit cap rotation allowing its end wall to move away from the valve.
REFERENCES:
patent: 3233769 (1966-02-01), Jessop
patent: 3700133 (1972-10-01), Bagguley
patent: 3913804 (1975-10-01), Laauwe
patent: 3984021 (1976-10-01), Uhlig
patent: 3990639 (1976-11-01), Laauwe
patent: 3995774 (1976-12-01), Cooprider
Diamond International Corporation
Silverberg Fred A.
Spar Robert J.
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