Hoisting mechanism for straddle carrier spreader and straddle carrier steering system
US4143781A · kind A · utility
6Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1977 |
| Grant date | Mar 13, 1979 |
| Priority date | — |
| Expiry date | Oct 25, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C19/007
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A hoisting mechanism for a spreader of a straddle carrier is disclosed herein. The hoisting mechanism includes two fluid rams respectively located at diagonal corners of a generally inverted U-shaped frame. One fluid ram is connected to one end of the spreader through three parallel flexible members with the intermediate flexible member connected to one corner of the spreader and the two outer flexible members are connected to the opposite corner of the spreader. The disclosure also shows a unique steering linkage for steering all eight wheels that support the straddle carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.