Tube-in-tube joint
US6726255B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Mar 25, 2002 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | Jun 19, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/5766
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A tube-in-tube joint includes a rectangular coupling having a longitudinally extending slot the entire length of the coupling which is inserted into opposed ends of two rectangular elongated tube members. Each elongated tube member is provided with an opening therein to receive a bolt therethrough, preferably a carriage bolt, wherein a squared shoulder portion adjacent the head of the carriage bolt fits within the slot of the coupling and the bolt opening. Alternatively, socket head cap screws extend through the bolt openings in the elongated tubes and the coupling slot receives T-nuts which are held in place in the longitudinally extending slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.