Dispensing – With discharge assistant – With movable nozzle interconnected therewith
Patent
1995-03-14
1996-09-10
Kaufman, Joseph
Dispensing
With discharge assistant
With movable nozzle interconnected therewith
222341, 222385, G01F 1102
Patent
active
055537570
ABSTRACT:
A cream dispenser head includes an accumulator shell having a dip tube at its bottom, a cap, a one-piece sleeve, and a piston inserted through the sleeve driven to pump cream out of the cream dispenser. The sleeve has a bottom end fitted through a center tube of the cap and disposed within the accumulator shell. The sleeve includes an outside flange around its periphery, adjacent the bottom end, defining an upper annular groove and a lower annular groove, sealingly engaging the inner surface of the accumulator shell. The sleeve includes an outward annular flange stopped against the cap center tube. The piston has a tubular piston body and a spring holder fixedly connected to one end of the tubular piston body, stopped against a spring inside the accumulator chamber. The piston includes a plurality of projecting portions stopped against the inside wall of the accumulator shell and a radial through-hole at one end, adjacent to the spring holder. Two mounting flanges, located on the outer surface of the piston, on an end distal to the spring holder, couple a saddle head. The spring holder and the outside flange of the piston define a gap for guiding the cream from an accumulator chamber, through the radial through-hole and into the tubular piston body.
REFERENCES:
patent: 3724726 (1973-04-01), Susuki et al.
patent: 3796375 (1974-03-01), Boris
patent: 4693675 (1987-09-01), Venus, Jr.
patent: 5002207 (1991-03-01), Giuffredi
patent: 5271532 (1993-12-01), Jumel et al.
patent: 5405057 (1995-04-01), Moore
patent: 5447258 (1995-09-01), Suzuki
Kaufman Joseph
Klein David I.
Rosenberg Morton J.
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