Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – With particular drive
Patent
1997-07-01
1998-11-10
Nguyen, John Q.
Winding, tensioning, or guiding
Unwinding and rewinding a machine convertible information...
With particular drive
360 963, G11B 1532
Patent
active
058331620
ABSTRACT:
A video cassette recorder incorporates therein a reel table driving device. The reel table driving device comprises a pulley attached to a shaft rotatably held in the deck and a driving gear slidably mounted to the shaft. The driving gear is provided with a first and a second gear portions, the first gear portion having a smaller diameter than the second gear portion. A pair of idlers is rotatably held in a support plate. Each of the idlers includes a first gear and a second gear, the first gear having a larger diameter than the second gear. A compressive spring is disposed between a bottom plate and the pulley, biasing the driving gear upwardly so that the first gear portion of the driving gear is engaged with the first gears of the idlers. An urging member is pivotably mounted at one end to the deck and the other end is situated on a bottom plate of the driving gear. A movable lever with a protuberance is disposed above the urging member and is moved in the lengthwise direction depending on the operation mode of the VCR. The protuberance of the movable lever selectively presses the urging portion and the driving gear down so that the second gear portion is engaged with the second gears of the idlers.
REFERENCES:
patent: 4681281 (1987-07-01), Aarts
Daewoo Electronics Co. Ltd.
Nguyen John Q.
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