Head drum assembly having a pre-loading sheet sleeve structured

Details Head drum assembly having a pre-loading sheet sleeve structured Head drum assembly having a pre-loading sheet sleeve structured

1996-01-31

1998-05-19

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 552

Patent

active

057543739

ABSTRACT:
A head drum assembly is provided with a flange fixed around a rotating shaft and including an upper abutment stopper for preventing an inner ring of an upper ball bearing from moving up with respect to the rotating shaft and a pre-loading sleeve having a sleeve portion fixed around the rotating shaft in a press-fit relationship therewith, the sleeve portion having a lower abutment stopper for pre preventing an inner ring of a lower ball bearing from moving down with respect to the rotating shaft.

REFERENCES:
patent: 4564876 (1986-01-01), Takahashi et al.
patent: 4959740 (1990-09-01), Nishikawa
patent: 4992900 (1991-02-01), Schalk
patent: 5486966 (1996-01-01), Ahn
patent: 5504642 (1996-04-01), Kinjo et al.

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