Trigger sprayer having rear hood supporting a return spring

Details Trigger sprayer having rear hood supporting a return spring Trigger sprayer having rear hood supporting a return spring

1997-07-15

1999-09-07

Huson, Gregory L.

Dispensing

With discharge assistant

With biasing means for discharge assistant and/or its casing

2223831, B65D 8854

Patent

active

059473410

ABSTRACT:
A trigger actuator pump sprayer has a fixed portion at the rearward section of its pump body providing a hand positioner for supporting the pump sprayer when mounted to a container of liquid to be sprayed. Another portion of the rearward section of the pump body is open to facilitate manufacture of the pump body, and is closed by a hood having a fixed piston spring assembly external to the pump chamber for biasing the piston outwardly of its bore.

REFERENCES:
patent: 4815663 (1989-03-01), Tada
patent: 5211315 (1993-05-01), Geier

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