Free running prevailing torque nut
US5865581A · kind A · utility
39Cited by
39References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1997 |
| Grant date | Feb 2, 1999 |
| Priority date | — |
| Expiry date | Apr 16, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B31/021
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A threaded fastener including a nut and a bolt with the nut including a ring section and a nut section with the nut section having a main body portion and a neck portion with the neck portion adapted to be moved into the ring section and to be moved radially inwardly such that the threads in the neck portion are moved into compressive engagement with the engaged threads of the bolt to provide prevailing torque structure resisting loosening of the nut member from the bolt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.