Lift truck having rotatable platen for handling unpalletized loads and method for using same
US4274794A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 29, 1979 |
| Grant date | Jun 23, 1981 |
| Priority date | — |
| Expiry date | Oct 29, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F9/195
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A mobile lift truck for handling unpalletized loads comprising a tiltable load-carrying platform projecting forwardly from the main frame of the truck rotatably mounted so as to permit rotation of the platform about a generally vertical axis of rotation between respective rotatable positions substantially 90.degree. apart. A forwardly-facing push-pull frame having a slip sheet clamp is provided which does not rotate in unison with the platform, enabling the push frame to push loads forwardly off of the platform in both of the rotatable positions of the platform. Power-actuating circuitry is provided interconnecting the platform rotation function, push frame retraction function and slip sheet clamp release function so that the platform is prevented from rotating until the slip sheet clamp has been released and the push frame has been retracted off of the platform. Methods of application of the lift truck are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.