Safety system for weed destroying apparatus

Details Safety system for weed destroying apparatus Safety system for weed destroying apparatus

1981-03-16

1982-07-13

Bagwill, Robert E.

Plant husbandry

Electroculture, magnetoculture or electrocuting

A01M 2100

Patent

active

043387446

ABSTRACT:
A weed destroying system carried on a vehicle and having electrodes for contacting weeds and a high voltage generator and a step-up transformer for supplying high voltage to the electrodes is provided with a tamper-proof safety system having redundant safety interlocks to effectively ground the vehicle and redundant safety interlocks to prevent energization of the generator until the vehicle is traveling at a predetermined speed and which de-energizes the generator if any one safety interlock is bypassed or fails in an unsafe condition, thereby requiring plural simultaneous failures to create a condition that is hazardous to the operator or to a bystander. The safety system also provides immediately-visible warning of the electrical hazard created by the apparatus and provides visual and aural indications to the operator when a safety interlock has been bypassed or is jammed closed.

REFERENCES:
patent: 3919806 (1975-11-01), Pluenneke et al.
patent: 4177603 (1979-12-01), Dykes
patent: 4198781 (1980-04-01), Dykes

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