Recording tape cartridge

Details Recording tape cartridge Recording tape cartridge

2005-11-29

2005-11-29

Rivera, William A. (Department: 3654)

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Including threading

C242S348200

Reexamination Certificate

active

06969020

ABSTRACT:
A recording tape cartridge features a case which rotatably and vertically movably accommodates a reel on which recording tape is wound. An aperture for drawing out the recording tape is formed in a peripheral wall of the case. The aperture features a projection portion which projects upward from a lower edge thereof. A leader block for drawing out the recording tape is fixed to an end portion of the recording tape, and can close off the aperture. The cartridge further includes a first urging member, which urges the reel downward, and a second urging member, which urges the leader block downward further than an upper edge of the projection portion. The leader block is unlikely to disengage even when the case is subjected to an impact by dropping or the like, and a recording tape cartridge with little risk of the leader block and recording tape becoming damaged is provided.

REFERENCES:
patent: 4977474 (1990-12-01), Oishi et al.
patent: 5465187 (1995-11-01), Hoge et al.
patent: 6663034 (2003-12-01), Johnson et al.
patent: 6698676 (2004-03-01), Shiga et al.
patent: 6702217 (2004-03-01), Hiraguchi
patent: 6764038 (2004-07-01), Morita et al.
patent: 2001/0024343 (2001-09-01), Shiga et al.

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