Device for orienting a lifting means, for example, in relation to a load
US4279328A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 17, 1979 |
| Grant date | Jul 21, 1981 |
| Priority date | — |
| Expiry date | Apr 17, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/45049
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A device for orienting a movable object such as a lifting fork truck in a certain position relative to a second object such as a load, the device having light-emitting device for illuminating the second object so that an image with lighter and darker fields is created thereon, a photoelectric detector movable together with the movable object to scan the image, electronic control equipment connected to the detector for receiving signals therefrom, and operating equipmenT for the movable object, connected to the control equipment to receive signals therefrom and to orient the movable object, dependent on the signals of the photoelectric detector, to the control equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.