Recording tape cartridge

Details Recording tape cartridge Recording tape cartridge

2007-07-24

2007-07-24

Rivera, William A. (Department: 3654)

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

C360S132000

Reexamination Certificate

active

11088915

ABSTRACT:
In a recording tape cartridge, a reel, at which a magnetic tape is wound around a cylindrical tube portion of a reel hub provided at an axially central portion of the reel, is accommodated within a case so as to be movable in an axial direction between a ceiling plate and a floor plate. A locking member can be set at a restricting position, at which, in a state in which the reel is shifted toward the floor plate, a lock portion is disposed in a gap between a top end portion of the reel and the ceiling plate and the locking member restricts axial direction movement of the reel, and a restriction releasing position, at which the locking member is withdrawn from the restricting position and permits the axial direction movement of the reel. When the locking member is positioned at the restricting position, among surfaces of the reel which face toward the floor plate, only a bottom end surface of an annular rib, which is a portion positioned further toward a radial direction inner side than an outer peripheral surface of the cylindrical tube portion, abuts an abutment surface of the case.

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