Reel disc device in a recording and/or reproducing apparatus

Winding – tensioning – or guiding – Reeling device – Fishing rod reel

Patent

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Details

242204, G03B 104

Patent

active

041391691

ABSTRACT:
A reel disc device is used in a recording and/or reproducing apparatus having means including a capstan and a pinch roller for driving a tape to travel selectively in a normal direction and a reverse direction and drive means for rotatingly driving the reel disc device. The reel disc device comprises a disc for engaging a reel and rotating the same unitarily therewith, a brake disc disposed below and as a separate structure from said reel engaging disc, a clutch mechanism disposed between said reel engaging disc and said brake disc and adapted so that, when said reel engaging disc rotates in a tape drawing out direction, that is, the normal direction, said reel engaging disc is operatively connected to said brake disc to rotate said brake disc in the same normal direction and, when said reel engaging disc rotates in a tape winding up direction opposite to said normal direction, that is, in the reverse direction, connection between said reel engaging disc and said brake disc is released, means for exerting a braking force on said brake disc rotating in the normal direction which means is responsive to fluctuations in the tape-tension, a driving disc driven by said drive means to rotate in the reverse direction, when said tape is wound up, and a rotation transmission mechanism operated by the rotation of said driving disc and adapted to cause said reel engaging disc to rotate in the reverse direction and said brake disc to rotate in the normal direction.

REFERENCES:
patent: 2664251 (1953-12-01), Berlant
patent: 3218877 (1965-11-01), Kaplan
patent: 3888432 (1975-06-01), Katoh
patent: 3911492 (1975-10-01), Ura

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