Hybrid screw with compartmentalized wedge groove
US12292071B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 2, 2021 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | Oct 16, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B25/00
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A screw having a shank, wherein the shank has a tip end, a rear end, and a longitudinal axis extending through the tip end and through the rear end, wherein the tip end and the rear end are opposite ends of the shank, and a screw thread, which is connected to the shank, and which winds around the shank, wherein a wedge groove is provided in the shank, which wedge groove winds around the shank and extends alongside at least a section of the screw thread, wherein the wedge groove is delimited by a rearwardly tapered wedge flank for wedging a grout shell surrounding the shank. At least one ridge is provided within the wedge groove, wherein the ridge compartmentalizes the wedge groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.