Loading dock signal and control system
US4843373A · kind A · utility
92Cited by
3References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1987 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Dec 10, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G69/003
- WIPO fieldHandling
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.