Flush captive screw with retractable knurled knob
US8011867B2 · kind B2 · utility
3Cited by
22References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 25, 2008 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Jun 23, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B5/0208
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A mounting device for a screw including a head and a tip, the mounting device comprising a body and a plunger. The body is attachable to the head of the screw, and the plunger is adapted to extend from within the body upon receiving a downward force. Additionally, the plunger includes a plurality of knurls adapted to transfer torque to the tip of the screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.