Apparatus for driving card-like record medium
US5017764A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1988 |
| Grant date | May 21, 1991 |
| Priority date | — |
| Expiry date | Dec 21, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K13/08
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A driving apparatus for moving reciprocally a rectangular optical card in a longitudinal direction thereof, including two sets of three edge guide rollers each arranged along respective side edges of the optical card and separated from each other by a distance substantially equal to half of the longitudinal distance of the optical card, two sets of three periphery guide rollers each arranged along respective upper peripheries of the optical card and separated from each other by a distance substantialy equal to half of the longitudinal distance of the optical card, and driving rollers each arranged underneath the respective middle periphery guide rollers. The driving rollers are resiliently urged against the lower surface of the optical card and a shaft to which the driving rollers are secured and a motor connected to the shaft via gears are arranged movably up and down in conjunction with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.