Color pressure-sensitive fastener
US6609865B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 24, 2002 |
| Grant date | Aug 26, 2003 |
| Priority date | — |
| Expiry date | Apr 24, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/0818
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A color pressure-sensitive fastener capable of providing a visual indication of a pressure threshold applied to the fastener is disclosed. The fastener includes a fastening portion which is actuated to fasten by way of application of a sufficient actuating pressure on an actuating surface of the fastening portion; and a pressure-sensitive substance associated with the actuating surface such that the actuating surface visibly changes color after the sufficient actuating pressure is applied to the actuating surface. This invention at least partially overcomes some of the disadvantages of typical fasteners, such as the lack of visual indication of proper installation of the fastener.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.