Spring, semi-automatic sliding device using the same and sliding-type portable communication terminal
US8213599B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2007 |
| Grant date | Jul 3, 2012 |
| Priority date | — |
| Expiry date | Mar 14, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F1/10
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A spring employed in a semi-automatic sliding device of a sliding-type portable communication terminal is provided. The spring includes a first spring including a first coil spring having a first end and a first other end connected to the first end by means of a first link spring and arranged at a center of the first coil spring in the form of being wound at least one time, a second spring including a second coil spring having a second end and a second other end connected to the second end by means of the first link spring and arranged at a center of the second coil spring in the form of being wound at least one time and a connector for integrally fixing the first and second coil springs to the connector. The spring assists in the opening and closing of the portable terminal, allows the portable terminal to be made thinner and is simple to manufacture based on having few parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.