Self-locking, self-aligning stepped pin and spring hinge
US4719666A · kind A · utility
1Cited by
8References
18Claims
0Family size
Inventors
Key dates
| Filing date | Jun 24, 1985 |
| Grant date | Jan 19, 1988 |
| Priority date | — |
| Expiry date | Jun 24, 2005 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05D2005/145
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus are disclosed for assembling spring frame hinges that utilize a pin having a tapered self-aligning section, a stepped midsection and a raised diameter stopping element. By harvesting the offsetting tension created by the hinge tang and curls the pin is easily inserted, lockingly held securely in place without the use of any additional fastening technique and yet can be non-destructively disassembled with little difficulty. In preferred embodiments of the invention audio confirmation that the pin has been properly inserted is achieved and a locking flush pin is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.