Equipment for transporting a load
US5192903A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1992 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | Jun 30, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L23/34
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A load transport equipment having self-propelled trucks travelling on a predetermined route so as to transport a load by the truck, wherein an encoder is connected to a motor and the pulse number from the encoder is counted by a counter, the counted value being optically transmitted toward another self-propelled truck following the front self-propelled truck on the predetermined route, the following self-propelled truck receiving the counted value from the front self-propelled truck to obtain a difference between the received counted value and that of the following truck, so that the travel speed of the rear self-propelled truck is controlled on the basis of the difference so that the running speed is controlled in accordance with the distance between the trucks thereby preventing a rear-end collision.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.