Tape drive apparatus

Details Tape drive apparatus Tape drive apparatus

1976-02-06

1977-07-05

Schacher, Richard A.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

Comprising rotary pinch pair

226190, B65H 1722

Patent

active

040334953

ABSTRACT:
A pinch roller cooperating with the drive capstan of a tape playback apparatus includes a spool on which there is mounted a resilient tire member to selectively engage the capstan with a magnetic tape held between the tire and the capstan when in a driving position. The tire includes a circumferentially extending recess formed therein having a crowned surface for self-centering of the tape thereon, and a pair of annular shoulders spanning opposite sides of said recess for positively engaging the capstan on opposite sides of the tape thereby transmitting drive forces from the capstan to the side of the tape opposite the capstan through the tire. The spool includes slots communicating with the inner surfaces of the tire permitting a bonding agent to securely bond the tire to the spool.

REFERENCES:
patent: 2341636 (1944-02-01), Luehrs
patent: 2788209 (1957-04-01), Montijo
patent: 2943852 (1960-07-01), Quirk
patent: 3132788 (1964-05-01), Johnson
patent: 3253758 (1966-05-01), Horiuchi

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