Reel table driving device for a video cassette recorder

Details Reel table driving device for a video cassette recorder Reel table driving device for a video cassette recorder

1997-07-21

1998-09-22

Nguyen, John Q.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

With particular drive

360 963, G11B 23107, G11B 5008

Patent

active

058102752

ABSTRACT:
A reel table driving device, for a video cassette recorder, comprises a pulley, a driving gear rotated with the pulley, and a first and a second idle gears rotatably fitted on a post fixed to a bracket pivotably mounted to the deck. The first and the idle gears are frictionally coupled to each other through a friction member. The pulley is provided with a boss tightly fitted on a shaft rotatably held by the deck, the boss having a pair of opposite guide groove axially extending. The driving gear has a pair of protrusions inwardly protruding from an inner surface thereof and is fitted onto the boss of the pulley in such a manner that the protrusions are inserted in the respective guide grooves. The driving gear is movable up and down along the guide grooves and rotated together with the pulley by the interaction of the protrusion and the guide groove. A compressive spring is disposed between the driving gear and the pulley, biasing the driving gear upwardly to thereby allow the driving gear to be engaged with the first idle gear during a fast forward or rewind mode, and a pressing member presses the driving gear downwardly against the compressive spring to thereby allow the driving gear to be engaged with the second idle gear during a play mode.

REFERENCES:
patent: 4711410 (1987-12-01), Gwon
patent: 5573197 (1996-11-01), Choi

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