Adjustable stroke dispensing pump

Details Adjustable stroke dispensing pump Adjustable stroke dispensing pump

1981-10-28

1984-06-19

Skaggs, H. Grant

Dispensing

With recorder, register, indicator, signal or exhibitor

Position or extent of motion indicator

222309, 222321, B67D 522, G01F 1106

Patent

active

044549644

ABSTRACT:
An arrangement for adjusting the inward pressure stroke of a reciprocable pump plunger operating in a pump cylinder mounted on a closure cap of a hand-operated pump, includes confronting limit stops on the plunger head and on the closure cap, with one of the stops having stop portions at differing axial distances relative to the plunger, and the other stop having a portion at a fixed axial distance relative to the plunger. The confronting stop portions are individually and selectively engageable with one another for adjusting the pressure stroke of the plunger to thereby vary the output.

REFERENCES:
patent: 1724766 (1929-08-01), McCauley
patent: 3020938 (1962-02-01), Ballin
patent: 3101751 (1963-08-01), Ballin
patent: 3216625 (1965-11-01), Corsette
patent: 3458090 (1969-07-01), Scoggin
patent: 3492876 (1970-02-01), Bull et al.
patent: 3802608 (1974-04-01), Gullett
patent: 4051983 (1977-10-01), Anderson
patent: 4111367 (1978-09-01), Hayes

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