Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – With particular drive
Patent
1994-09-12
1996-03-19
Nguyen, John Q.
Winding, tensioning, or guiding
Unwinding and rewinding a machine convertible information...
With particular drive
2423565, 360 963, 74354, 748101, G03B 104, G03B 1904, G11B 1532
Patent
active
054997771
ABSTRACT:
A video cassette recorder is provided with a device for driving selectively one of a supply reel disc and a take-up reel disc rotatably mounted to a deck thereof, which includes a pulley coupled to a shaft of the deck, a driving gear coupled to the shaft of the deck, a clutch assembly jointed the pulley and the driving gear, an idle gear meshed with the driving gear and disposed between the supply reel disc and the take-up reel disc for a selective engagement with the one of the reel discs by a rotating torque of the pulley, a support plate pivoted at the shaft of the deck for supporting the idle gear, and a plurality of resilient pieces integral with the idle gear and in contact with the support plate. The support plate is provided with a screw secured thereto for adjusting the frictional force generated between the idle gear and the support plate. The support plate includes a cylindrical rib formed at a lower portion thereof. The idle gear includes a boss formed at a central portion thereof and adapted to rotatably couple with the rib of the support plate. The adjusting screw includes an annular flange suitable for bearing the boss of the idle gear.
REFERENCES:
patent: 2896873 (1959-07-01), Mageoch
patent: 4681281 (1987-07-01), Aarts et al.
Daewoo Electronics Co. Ltd.
Nguyen John Q.
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