Hinge device for portable terminal using the same
US7242975B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2002 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | May 25, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2999/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A hinge device of a portable terminal couples a body and a folder of the portable terminal and enables rotation of the folder with respect to the body. The hinge device includes a cylindrical hinge housing having an open end, a closed end, and a suspending block that projects from a peripheral surface of the cylindrical hinge housing and extends longitudinally between the open end and the closed end; a hinge shaft having a disk and an angular block projecting from the disk, disposed along a hinge axis, the disk being housed in the cylindrical hinge housing and the angular block protruding through the open end of the cylindrical hinge housing; a hinge cam, disposed outside the cylindrical hinge housing, having a concave block disposed along the hinge axis in opposition to the angular block of the hinge shaft, to engage in a sliding motion in conjunction with the angular block; and a conical compression coil spring, disposed between the closed end of the cylindrical hinge housing and the disk of the hinge shaft, to press the hinge shaft against the hinge cam. The conical compression coil spring is compressible into a plane, so that the space required for installing and assembling the…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.