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Class Information
Number: 242/328
Name: Winding, tensioning, or guiding > Unwinding and rewinding a machine convertible information carrier (e.g., magnetic tape or photographic film) > Unwinding from coil center
Description: Subject matter wherein the information-bearing carrier is formed into a supply coil with inner and outer convolutions, and means is provided for directing the information-bearing carrier from the inner convolution.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6270029 |
Spiral storage |
Aug. 7, 2001 |
| 5189451 |
Platter feed safety |
Feb. 23, 1993 |
| 4949204 |
Tape recorder for playing endless magnetic tape |
Aug. 14, 1990 |
| 4910618 |
Guide structure for guiding endless magnetic tape in a rotary head transport |
Mar. 20, 1990 |
| 4742406 |
Optical detector system for detecting a splice in an endless tape |
May. 3, 1988 |
| 4662732 |
Combination film and film supply and take-up system cover |
May. 5, 1987 |
| 4427160 |
Equalizer for tape tension |
Jan. 24, 1984 |
| 4394989 |
Adjustable endless loop tape cartridge with shipping lock |
Jul. 26, 1983 |
| 4367850 |
Endless loop tape cartridge |
Jan. 11, 1983 |
| 4098470 |
Movie reel system |
Jul. 4, 1978 |
| 4037803 |
Center feed unwinder |
Jul. 26, 1977 |
| 4030675 |
Apparatus for film and tape winding |
Jun. 21, 1977 |
| 3993260 |
Selectively unwinding film reel |
Nov. 23, 1976 |
| 3971523 |
Endless tape cartridge |
Jul. 27, 1976 |
| 3967788 |
Endless loop cassette |
Jul. 6, 1976 |
| 3951352 |
Magnetic tape guidance device |
Apr. 20, 1976 |
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