Anchor bolt with an outer thread having thread turns with different cross-sectional shape
US6454506B1 · kind B1 · utility
6Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Aug 9, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B25/0073
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An anchor bolt having a substantially cylindrical stem (2), and at least one thread provided on the stem (2) and extending from a free front end of the stem at least over a portion of a longitudinal extent of the stem (2), the thread (6) having a plurality of thread turns (6) having, at least over one/third of the stem (2), a width (b1, b2) which decreases, with an increase of a distance of a respective thread turn (6) from the free front end of the stem (2), so that a distance (x1, x2, x3) between trailing and leading flanks (8, 7) of two following one another thread turns (6) of the thread increases backwards.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.