Tape cassette driven rib device

Details Tape cassette driven rib device Tape cassette driven rib device

1985-08-14

1987-07-07

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

360963, 242200, G11B 1532, G11B 2304

Patent

active

046791094

ABSTRACT:
A tape cassette includes a pair of reels for a magnetic tape. Each reel has a center opening. A plurality of first ribs extends radially into the opening from a peripheral wall of the opening. A recorder deck has a pair of parallel drive spindles. Each drive spindle is for insertion into one opening of the pair of reels. Each drive spindle has a second rib. The second rib is adapted for engagement with the first rib. The first rib includes an end face having a planar surface on a trailing side of the first rib. The trailing side is defined with respect to a tape-slack removing, rotational direction. The planar surface is inclined in such a manner that insertion of the spindles into the openings, the second rib engages the first rib, and creates a force which drives the reel in the tape-slack removing rotational direction.

REFERENCES:
patent: 3865331 (1975-02-01), Clever et al.
patent: 4210296 (1980-07-01), Frechette
patent: 4436256 (1984-03-01), Saitou
patent: 4473198 (1984-09-01), Pertzsch et al.

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