Method of manufacturing a security device
US7721407B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2006 |
| Grant date | May 25, 2010 |
| Priority date | — |
| Expiry date | Aug 28, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49956
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A security device is described including a bolt and a securement washer through which the bolt is be disposed. The securement washer includes a hole, at least one circumferential groove within the hole, and a C-shaped ring disposed within the circumferential groove. The security device also includes a first end cap with a bolt head receiving well, a first end cap hole through which the shaft of the bolt is disposed, and a first end cap circumferential wall extending above the head of the bolt. The first end cap circumferential wall permits the first end cap to be closed around the head of the bolt. The security device also includes a second end cap with a securement washer receiving well and a second end cap circumferential wall extending above the securement washer. The second end cap circumferential wall permitting the second end cap to be closed around the securement washer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.