Control system for loading docks

Details Control system for loading docks Control system for loading docks

1995-07-24

1998-11-03

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

Specific condition

340507, 340521, 340525, 340526, 340686, 364143, 364188, G08B 2100

Patent

active

058315403

ABSTRACT:
A system to determine the usage of loading dock equipment such as a dock leveler, a vehicle restraint and a barrier gate to provide an output indicative thereof. For each loading dock component mounted at a loading dock in an operable configuration whose operation is to be monitored, sensor outputs are used to provide data accumulated by PLC's located in a control panel associated with the loading dock. When operation of a piece of equipment is initiated the occurrence delivers an output signal to the PLC. A counting circuit accumulates a count of the output signals. The panel has displays in the form of lights and screens and the data maybe read out by means of a hand held unit for display and/or programing or delivered to a remote PC by appropriate cable.

REFERENCES:
patent: 4843373 (1989-06-01), Trickle et al.
patent: 5047748 (1991-09-01), Trickle
patent: 5168267 (1992-12-01), Trickle
patent: 5424720 (1995-06-01), Kirkpatrick
patent: 5459963 (1995-10-01), Alexander

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