Computer key
US5850194A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1997 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | Dec 22, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H3/125
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A computer key includes a one-piece base plate which is punched to form left and right retaining guideways that are spaced from each other in a longitudinal direction of the base plate. The retaining guideways include left and right retaining portions which extend uprightly from the base plate, and left and right blocking portions which extend from distal ends of the retaining portions away from each other and substantially longitudinal to the base plate. The blocking portions have left and right widths defined in a direction transverse to the longitudinal direction by front and rear left and right rough edges. A frame assembly includes first and second linking frames which are pivotally connected at intermediate portions thereof. Each of the first and second linking frames includes a transverse axle oriented in a transverse direction of the base plate, and has a middle segment of a length shorter than the width of the respective blocking portion and insertable sliably under the respective blocking portion, and front and rear segments which extend beyond the front and rear rough edges of the respective blocking portion. The front and rear segments of the transverse axles respective…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.