Patent · US Expired

Cartridge for miniature optical data storage disc

US7013476B2 · kind B2 · utility

9Cited by
6References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 2003
Grant dateMar 14, 2006
Priority date
Expiry dateJul 4, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/53165
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A cartridge for an optical data storage disc includes a sheet metal sheath that is folded back on itself and a plastic insert that is inserted into the sheath. An opening is formed in the plastic insert for holding an optical data storage disc. The sheath includes two wall portions that are located on opposite sides of a bend area, where the sheet metal is folded. The two wall portions are attached to each other, preferably by spot-welding, to form a structurally stable sandwich that includes the plastic insert between the wall portions. The opening in the plastic insert becomes a cavity for holding the disc. A shutter opening is formed in one of the wall portions, and spindle openings are formed in both wall portions. A shutter covers the shutter opening when the cartridge is not operational to protect the disc. The disc is rotated by the spindle of an external disc drive which enters a central hole of the disc through the spindle openings. The use of sheet metal wall portions in conjunction with the plastic insert allows the cartridge to be made very thin. Used with an appropriate disc drive, the cartridge may be employed to provide a large amount of data to a CompactFlash® or ot…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.