Tape drive mechanism having torque transmitting gear assemblies

Details Tape drive mechanism having torque transmitting gear assemblies Tape drive mechanism having torque transmitting gear assemblies

1983-07-12

1987-07-14

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Tape record

360137, 242201, G11B 5008, G11B 1500, G11B 1532, G65H 1610

Patent

active

046806598

ABSTRACT:
A tape drive mechanism includes a first gear assembly having a first gear mounted on a shaft driven by a motor and a second gear slip-frictionally coupled to the shaft in coaxial relationship with the first gear. Third and fourth slip-frictionally coupled gears form a second gear assembly which are engaged with the first gear and a takeup reel drive gear, respectively, during playback modes. A third gear assembly is provided to engage with the second gear and the takeup reel drive gear during fast-forward modes. Further included is a fourth gear assembly which is engageable with the second gear and a supply reel drive gear during rewind modes. A timing lever is provided to prevent the fourth gear assembly from engaging with the second gear and the supply gear until recording mode is completely terminated should a manual command for rewind operation occur during such modes.

REFERENCES:
patent: 4238808 (1980-12-01), Tomita
patent: 4263631 (1981-04-01), Takanashi
patent: 4383282 (1983-05-01), Osanai
patent: 4399475 (1963-08-01), Shimomae
patent: 4453189 (1984-06-01), Ida

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