Pultruded telescoping arm device
US11795983B2 · kind B2 · utility
0Cited by
11References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 2018 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | Dec 15, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04C3/28
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A support structure comprising a pultruded outer beam (12), a pultruded inner beam (14), a plurality of wear tabs (16) affixed to the inner beam, and a gear track (18) affixed to the inner beam. The outer beam is substantially hollow and adapted to receive the inner beam and the inner beam is shaped so that a portion of the inner beam extends nearly the entire height of the outer beam and a portion of the inner beam extends nearly the entire width of the outer beam, the plurality of wear tabs are located at one or more corners of the inner beam, and the gear track contacts a gear for facilitating movement of the inner beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.