Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – With particular drive
Patent
1993-12-02
1995-10-24
Darling, John P.
Winding, tensioning, or guiding
Unwinding and rewinding a machine convertible information...
With particular drive
G11B 1518
Patent
active
054603366
ABSTRACT:
A magnetic tape apparatus includes a forward drive wheel which is coaxial with a forward winding mandrel, a reverse drive wheel which is coaxial with a reverse winding mandrel, and a drive device for driving the forward drive wheel and the reverse drive wheel. The drive device has a drive shaft which can be set to different operating positions. The drive shaft includes a friction-wheel drive portion for driving a friction-wheel portion of the forward drive wheel, and a toothed-wheel drive portion for driving a toothed-wheel portion of the reverse drive wheel. In addition, the drive device can drive the forward drive wheel via a toothed-wheel portion thereof, for which purpose the drive device has a toothed-wheel drive which can be set to a fast-forward driving position in which it is in mesh both with a toothed-wheel drive portion of the drive shaft and with the toothed-wheel portion of the forward drive wheel.
REFERENCES:
patent: 3373951 (1968-03-01), Mazoyer
patent: 3877074 (1975-04-01), Guttinger
patent: 4206488 (1980-06-01), Nakayawa et al.
patent: 4531168 (1985-07-01), Suzuki
patent: 4962436 (1990-10-01), Bayer et al.
patent: 4964589 (1990-10-01), Okada
patent: 5211066 (1993-05-01), Koga et al.
Darling John P.
U.S. Philips Corporation
Wieghaus Brian
LandOfFree
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