Gate operator with persistant, audible warning signal

Details Gate operator with persistant, audible warning signal Gate operator with persistant, audible warning signal

1986-12-08

1989-01-03

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

318266, 340686, G05B 500

Patent

active

047960116

ABSTRACT:
An operator for a fence gate of the type which translates laterally on and in immediate parallel adjacent relationship to a section of stationary fence wherein the operator comprises an audible sounder for producing a warning signal in advance of and during the entirety of gate translation. A maximum run timer is also included for terminating gate motor drive and operation of the audible sounder.

REFERENCES:
patent: 3631447 (1971-12-01), Sulat et al.
patent: 3975723 (1976-08-01), Bowling et al.
patent: 4263536 (1981-04-01), Lee et al.
patent: 4364003 (1982-12-01), Phipps
patent: 4429264 (1984-01-01), Richmond
patent: 4533905 (1985-08-01), Leivenzou et al.
patent: 4546845 (1985-10-01), Meyer et al.
patent: 4563625 (1986-01-01), Kornbrekke et al.
patent: 4564791 (1986-01-01), Brickner
patent: 4583081 (1986-04-01), Schmitz

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