Loading dock signal and control system

Details Loading dock signal and control system Loading dock signal and control system

1987-12-10

1989-06-27

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340686, 340687, 414401, G08B 2100

Patent

active

048433730

ABSTRACT:
A system for use in a loading dock facility includes a control unit which checks the condition of input terminals connected to control switch, locking device, overhead door and/or leveler condition sensors and which develops signals on output terminals connected to signal lights, a vehicle locking device, an overhead door mechanism and/or a leveler device. The control unit is programmable to be versatile and to obtain various safe and reliable modes of operation and is also operable to perform various diagnostic operations.

REFERENCES:
patent: 3744043 (1973-07-01), Walden et al.
patent: 3990075 (1976-11-01), Schmitz et al.
patent: 4692755 (1987-09-01), Hahn

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