Safety spraying device

Details Safety spraying device Safety spraying device

1979-07-18

1981-06-23

Rolla, Joseph J.

Dispensing

Simulations

Firearms

307350, B67D 508

Patent

active

042745535

ABSTRACT:
A spraying device for cleaning apparatus, plant protecting apparatus or the like including a hand tool connected via a conduit to a pressure and heat generator for providing a liquid or vaporous agent under high pressure. A switch lever is held in the on position during operation. The lever controls a switch, the activation of which causes a transmitter for electric or electromagnetic waves arranged in the hand tool to send a switch-on command to a receiver located near the pressure and heat generator. The receiver operates a switch for controlling the pressure and heat generator, whereby upon release of the hand tool, such as unintentionally in the case of a dangerous condition, the switch-on command of the transmitter is interrupted and the pressure and heat generator switched off.

REFERENCES:
patent: 3558916 (1971-01-01), Horn
patent: 3573492 (1971-04-01), Bridgewater
patent: 3805090 (1974-04-01), Kaiser
patent: 4162042 (1979-07-01), Mommsen et al.

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