Anchor unit with expansive anchor member expanded by utilizing turning force of bolt
US5746556A · kind A · utility
19Cited by
17References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 6, 1996 |
| Grant date | May 5, 1998 |
| Priority date | — |
| Expiry date | Mar 6, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B2200/95
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Anchor unit of this invention is provided with a plug which is driven into an anchor socket or sleeve to expand its split end portion by rotating a bolt which is engaged with the anchor socket or the plug by threads, in a predetermined direction. In one embodiment, the plug is a separable end portion of the bolt which is movable together with a remaining portion of the bolt when the bolt is rotated in the above described predetermined direction and twisted off or separated from the remaining portion when the bolt is rotated in a direction opposite to the above described predetermined direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.