Adjustable expansible load lifting device
US6138846A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 17, 1998 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Mar 17, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C1/663
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An adjustable system for lifting and transferring load containers which comprises a frame, a container lifting device, and a cable attached to the frame and lifting device. A first actuator is provided for raising and lowering the lifting device, which lifting device has a plurality of remotely controllable latches for engaging and disengaging latchable portions of the containers, to permit grasping and lifting of containers by the lifting device. New features of adjustability are provided, to permit the system to lift containers of varying sizes. Also, the lifting device preferably carries an electrically operated location sensing device for sensing and signalling to the operator a proper location of the latches relative to the latchable portions, to permit such latching.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.