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Class Information
Number: 242/353
Name: Winding, tensioning, or guiding > Unwinding and rewinding a machine convertible information carrier (e.g., magnetic tape or photographic film) > With particular drive > With yieldable loop former
Description: Subject matter wherein the drive mechanism is associated with means (e.g., a biased guide) adapted to contact the carrier to create or maintain a desired level of longitudinal stress in the carrier during unwinding or rewinding.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5934593 |
Tape tensioner for use in magnetic recording-playback device |
Aug. 10, 1999 |
| 5775616 |
Tape tension control apparatus for video cassette tape recorder |
Jul. 7, 1998 |
| 5642865 |
Arrangement for varying the tape tension in a magnetic-tape apparatus |
Jul. 1, 1997 |
| 5553800 |
Apparatus for winding a tape-like material |
Sep. 10, 1996 |
| 5402957 |
Web supply/take-up tension arm feedback system |
Apr. 4, 1995 |
| 5167380 |
Tape tension control device for a VCR |
Dec. 1, 1992 |
| 4787571 |
Automatic loading horizontal type of open-reel magnetic tape drive unit |
Nov. 29, 1988 |
| 4508292 |
Tape loop sensing arm and tape guide for magnetic tape recording and playback machines |
Apr. 2, 1985 |
| 4456160 |
Guide device for a recording medium in tape form, especially a magnetic tape |
Jun. 26, 1984 |
| 4212439 |
Magnetic tape recording and/or reproducing apparatus |
Jul. 15, 1980 |
| 4169667 |
Film buffer for motion picture projectors |
Oct. 2, 1979 |
| 4080635 |
Tension control mechanism for a recording/reproducing device |
Mar. 21, 1978 |
| 4074873 |
Tension servo apparatus |
Feb. 21, 1978 |
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