Self-driven nut and joinders incorporating it
US4801231A · kind A · utility
15Cited by
8References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 10, 1987 |
| Grant date | Jan 31, 1989 |
| Priority date | — |
| Expiry date | Apr 10, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64G4/00
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A self-driven nut having a relatively rotatable nut portion and anchor portion which are threadedly joined together. A spring rotatably biases them for relative rotation in one sense. A latch is provided to hold them against rotation with the spring compressed to store energy. Release of the latch enables the spring to drive the portions and torque down the nut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.