Dispensing – With discharge assistant – Fluid pressure
Patent
1995-03-28
1997-04-29
Huson, Gregory L.
Dispensing
With discharge assistant
Fluid pressure
16111R, B65D 8300
Patent
active
056240619
ABSTRACT:
A pump assembly for a compression sprayer includes a cylinder and a piston reciprocal therein with means for releasably latching the piston in its fully inserted position. An integral cup and spring are coupled with the inner end of the piston with the spring biased against the inner end of the cylinder to cooperate in urging the piston outwardly to maintain the piston in its latched position. A handle for facilitating reciprocation of the piston is provided with a soft grip for comfort and reducing hand fatigue.
REFERENCES:
patent: 2748992 (1956-06-01), Pinke et al.
patent: 4106392 (1978-08-01), Johnson, Jr. et al.
patent: 4890355 (1990-01-01), Schulten
patent: 5435469 (1995-07-01), Gager et al.
Gager Steven J.
Hurley Paul D.
H.D. Hudson Manufacturing Company
Huson Gregory L.
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