Improved capstan drive for a tape

Details Improved capstan drive for a tape Improved capstan drive for a tape

1979-10-31

1981-04-28

Christian, Leonard D.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

Comprising rotary pinch pair

226194, B65H 1722

Patent

active

042640270

ABSTRACT:
The driving arrangement for a magnetic tape is comprised of a drive shaft having a smooth surface and a pressure roller having a high surface friction coefficient. The circumference of the drive shaft is provided with a thin layer of the borides, nitrides or carbides of a hard metal, which increases the friction resistance of the shaft. This measure reduces the slip, without affecting the proper uniform travel of the tape.

REFERENCES:
patent: 2024007 (1935-12-01), McColloch et al.
patent: 3141593 (1964-07-01), Selsted et al.

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