Fastener for clamping members having a certain spacing from each other while maintaining the certain spacing therebetween
US6789993B2 · kind B2 · utility
47Cited by
19References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 26, 2002 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Jul 25, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B33/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fastener for members (M1, M2) to be clamped with a certain spacing therebetween includes a nut (10); a bolt (40); and a moveable collar (20) having in an inner bore thereof a torque transmitting device capable of transmitting torque of the bolt, which is axially inserted into the inner bore, to the movable collar through thread—thread engagement, and wherein a portion of the thread of the bolt includes special thread ridges (422), by which a frictional force is imparted to the thread—thread engagement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.