Patent · US Expired

Reel drive apparatus for magnetic tape recording and playback units

US5292086A · kind A · utility

2Cited by
2References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 21, 1992
Grant dateMar 8, 1994
Priority date
Expiry dateAug 21, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B15/50
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A reel drive apparatus for rotatably driving a reel of a magnetic tape recorder and playback unit, the apparatus including an elongated mounting shaft disposed on the base chassis of the magnetic tape recorder and playback unit, a reel hub rotatably engaging a tape reel, a reel disc having a tubular journal bearing portion and a cylindrical drum which is mounted on the elongated mounting shaft so that it supports and rotates together with the reel hub, and an elastic and resilient geared belt tensely mounted on the cylindrical drum and engaged to the last-stage gear in a drive gear train.

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