Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1993-09-21
1995-09-19
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360 963, G11B 554, G11B 1500
Patent
active
054521602
ABSTRACT:
A mode switching transmitting mechanism for a tape player according to the present invention, in which a play mode and a fast forward/fast rewinding mode is switched by sliding a transmitting gear engaged with a driving gear in a direction of an axial line, makes it possible to construct a small and thin switching mechanism. According to the present invention a first gear having a greater diameter on the driving side and a first gear having a smaller diameter have a common shaft. A second gear having a greater diameter on the driven side and a second gear having a smaller diameter are supported slidably on a shaft on a pivoting arm side and held, energized towards one direction of an axial line by a spring. In order to realize the play mode, a lever is pushed. Then an operating lever is forwarded and a wedge portion thereof is engaged with a conical plateau portion formed in a wedge portion of the gear having a greater diameter. In this way the second gear having a greater diameter and the second gear having a smaller diameter are slid against a force of a spring to form a transmission path to the reel gear.
REFERENCES:
patent: 4680659 (1987-07-01), Imai
patent: 4843499 (1989-06-01), Ogawa
patent: 4925127 (1990-05-01), Outou et al.
patent: 4956734 (1990-09-01), Kamijo
patent: 5031471 (1991-07-01), Watanabe
patent: 5062013 (1991-10-01), Gotoh
patent: 5144507 (1992-09-01), Kurita
Higuchi Takao
Oh Chang-Jong
Sakuma Ichiro
Yakame Ken
Cao Allen
Tokyo Pigeon Co., Ltd.
Wolff John H.
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