Foldable truss boom section, truss boom and crane
US11396444B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2019 |
| Grant date | Jul 26, 2022 |
| Priority date | — |
| Expiry date | Oct 21, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C23/64
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present disclosure relates to a foldable truss boom section, a truss boom and a crane. The foldable truss boom section includes: two chords that do not intersect with each other; at least two slideways fixedly disposed on each of the two chords, wherein each of the at least two slideways has at least two slideway fixing points; and at least two long web members connecting the two chords, wherein each of the at least two long web members has at least one sliding end which is slidable along the slideway and connected to the slideway at one of the at least two slideway fixing points, so that a cross-section state of the truss boom section is changeable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.