Magnetic tape guide roller system

Details Magnetic tape guide roller system Magnetic tape guide roller system

1983-05-06

1985-09-17

Hornsby, Harvey C.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

Including details of roll or mount

226194, 242 76, B65H 2700

Patent

active

045415579

ABSTRACT:
To guide magnetic tape, particularly tape used in video tape recording, and especially for digital video signals for self-centering of the tape with respect to a datum (41) of a roller system, two coaxially journalled frusto-conical rollers are provided, which are independently rotatable with respect to a shaft (4) having a shaft axis (40) and, further, tiltable about tilt axes (13, 14) which extend at right angles to the shaft axis (40) and intersect the intersection point of the then existing axes of rotation (7, 8) of the respective rollers with the shaft. Upon drift or creep of the tape (1) from symmetrical positioning with respect to the rollers, return forces will be applied to the tape tending to return the tape to centered, symmetrical position, independently of the running direction of the tape.

REFERENCES:
patent: 2622448 (1952-12-01), Lorig
patent: 2683026 (1954-07-01), Preszler
patent: 2704695 (1955-03-01), Ricefield
patent: 3029657 (1962-04-01), Roper
patent: 3294334 (1966-11-01), Boag
patent: 3507437 (1970-04-01), Lips
patent: 3510185 (1970-05-01), McKee

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