Anti-unscrewing devices
US4512596A · kind A · utility
30Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 19, 1983 |
| Grant date | Apr 23, 1985 |
| Priority date | — |
| Expiry date | Apr 19, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S285/913
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A device preventing the unscrewing of two bodies (2, 3), and in particular of two lengths of a turbodrill, joined end-to-end in threaded union, said device comprising a blocking part (4) which immobilizes the two bodies by means of teeth. The blocking part (4) is provided with two series of teeth, one of which series engages with the teeth of one body and the other with the teeth of the other body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.