Dual-activator safety switch for liquid sprayer

Details Dual-activator safety switch for liquid sprayer Dual-activator safety switch for liquid sprayer

1990-03-22

1991-12-03

Mitchell, David M.

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

Moving solid surface engages material to be sprayed

239526, B65B 1100

Patent

active

050693913

ABSTRACT:
A liquid sprayer includes a housing with a spray outlet, an electric pump switch which is movable to operate a spray generating pump and a manual grip defined on the housing. A main switch is moveable linearly along the housing between on and off positions, which operate the electric switch to respectively cause and stop pump operation. A safety actuator is movable to block and permit movement of the main switch. The safety actuator has a grippable portion biased to extend outwardly from the housing. To operate the pump switch, a user squeezes the safety actuator into a switch on position in which the safety actuator releases blocking engagement with the main switch, and thereby allows the main switch to be moved to its on position which operates the pump switch to operate the pump.

REFERENCES:
patent: 4216911 (1980-08-01), Huperz et al.
patent: 4802313 (1989-02-01), Smith

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