Winding – tensioning – or guiding – Coil holder or support – With material end retainer
Patent
1997-01-15
1998-12-22
Nguyen, John Q.
Winding, tensioning, or guiding
Coil holder or support
With material end retainer
242345, 360132, 360137, B65H 1928, G11B 23087
Patent
active
058509852
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
This invention relates to a tape body supporting structure and a tape body supporting method for supporting, onto tape reels, a tape body wound between a pair of tape reels rotatably supported within a cassette body, an apparatus for deforming a tape body supported on the tape reels, and a tape cassette within which a pair of tape reels which have supported a tape body are accommodated in the state where they are rotatably supported.
BACKGROUND OF THE INVENTION
Hitherto, there have been used recording and/or reproducing apparatuses for recording and/or reproducing data of information processing equipment by using, as a recording medium, a tape cassette in which a magnetic tape for recording information signals is wound between a pair of tape reels rotatably supported within a cassette body formed by butt-joining an upper half and a lower half.
As a tape cassette used as a recording medium of the recording and/or reproducing apparatuses of this kind, there is a tape cassette having outer (outside) shape substantially the same as that of a tape cassette within which a magnetic tape having tape width caused to be 8 mm used for recording video signals, etc. as an analog signal is accommodated.
The recording and/or reproducing apparatus for recording and/or reproducing data of information processing equipment using, as a recording medium, the tape cassette within which the magnetic tape of which tape width is caused to be 8 mm is accommodated as described above carries out recording and/or reproduction of data in the state where a magnetic tape wound between a pair of tape reels rotatably supported within a tape cassette loaded in this apparatus is caused to be slidably in contact with a rotational magnetic head device while allowing it to undergo constant velocity traveling from one tape reel serving as the supply side toward the direction of the other tape reel serving as the winding side.
In this recording and/or reproducing apparatus, as a system of allowing a magnetic tape to undergo constant velocity traveling, there are a capstan drive system and a reel drive system.
In the capstan drive system, as shown in FIG. 1, a magnetic tape 2 wound extending over a pair of tape reels 1A, 1B rotatably supported within a tape cassette is caused to be put between a capstan 3 rotating at a constant velocity and a pinch roller 4 caused to be in pressure contact with the capstan 3 so that the magnetic tape 2 is caused to undergo constant velocity traveling. In accordance with the capstan drive system, means for controlling tape tension of tension arm, etc. is disposed in a traveling path for the magnetic tape 2 to control tape tension of the traveling magnetic tape 2 to thereby conduct a control so that the magnetic tape 2 is traveled at a constant velocity. In allowing the magnetic tape 2 to undergo constant velocity traveling, a reel drive shaft 6 engaged with the other tape reel 1B serving as the winding side of the magnetic tape 2 of reel drive shafts 5, 6 provided at the recording and/or reproducing apparatus side respectively engaged with a pair of tape reels 1A, 1B is rotationally driven to rotationally operate the other tape reel 1B to allow the magnetic tape 2 to undergo winding operation onto the other tape reel 1B side.
Moreover, in the reel drive system, as shown in FIG. 2, reel drive shaft 6 engaged with the other tape reel 1B serving as the winding side of the magnetic tape 2 of reel drive shafts 5, 6 respectively engaged with a pair of tape reels 1A, 1B of the tape cassette loaded in the recording and/or reproducing apparatus is only rotationally driven to rotationally operate a pair of tape reels 1A, 1B to allow the magnetic tape 2 to undergo constant velocity traveling. In accordance with the reel drive system, in more practical sense, rotational period of the reel drive shaft 6 for allowing the other tape reel 1B to undergo rotational operation so that sum of rotational periods of the tape reel 1A serving as the supply side of the magnetic tape 2 and the other tape reel 1B se
Abe Masanori
Abe Shinichi
Higuchi Shintaro
Honma Hiroyuki
Sekimukai Hiroshi
Frommer William S.
Nguyen John Q.
Sony Corporation
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