Break-away spring and piston rod for a trigger sprayer

Details Break-away spring and piston rod for a trigger sprayer Break-away spring and piston rod for a trigger sprayer

2011-05-17

2011-05-17

Bomberg, Kenneth (Department: 3754)

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

C222S153130, C222S383100, C222S340000

Reexamination Certificate

active

07942291

ABSTRACT:
A manually operated trigger sprayer has an integral plastic spring and pump piston rod that are connected by a breakable connection, whereby the spring and piston rod can be assembled to the trigger sprayer as one piece and are subsequently broken into two separate pieces in response to their assembly to the trigger sprayer, or subsequent manual operation of the trigger sprayer.

REFERENCES:
patent: 6116472 (2000-09-01), Wanbaugh et al.
patent: 6286723 (2001-09-01), Sweeton et al.
patent: 2007/0210106 (2007-09-01), Foster

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