Finger operated spray pump

Details Finger operated spray pump Finger operated spray pump

1977-02-18

1978-09-05

Love, John J.

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

Moving solid surface engages material to be sprayed

222321, 239491, B05B 1100

Patent

active

041113675

ABSTRACT:
A finger-operated spray pump assembly including a tank, a primary piston slidably fitted inside the tank, having a liquid passageway, a secondary piston slidably fitted inside the primary piston, and a spring fitted inside the primary piston and the secondary piston for biasing the primary piston away from the secondary piston.

REFERENCES:
patent: 3249259 (1966-05-01), Corsette
patent: 3482784 (1969-12-01), Webster
patent: 3877616 (1975-04-01), Stevens
patent: 3877617 (1975-04-01), Stevens
patent: 4017031 (1977-04-01), Kishi

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