Patent · US Expired

Shutter assembly for use in a disc cartridge

US4714973A · kind A · utility

21Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1986
Grant dateDec 22, 1987
Priority date
Expiry dateMay 9, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B23/0308
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In a disc cartridge comprising a cartridge case and a shutter slidably mounted on the cartridge case for opening and closing a head accessing opening, the shutter comprises a first plate and a second plate opposing to the first plate, a connection member for connecting the first plate and the second plate, and a projection formed on at least one of the first and second plates of the shutter in such a manner that the projection is slanted toward the connection member.

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