Head drum having weight balancing plate with removable portions

Details Head drum having weight balancing plate with removable portions Head drum having weight balancing plate with removable portions

1997-07-08

1999-05-25

Miller, Brian E.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 552

Patent

active

059074582

ABSTRACT:
A head drum of a tape recorder has a weight balancing device for preventing vibrations occurring during the revolution of the head drum. In particular, the head drum includes a stationary drum fixed to a deck, a rotary drum rotatably installed above the stationary drum, and a circular weight balancing plate installed coaxially with the rotary drum and having a plurality of removable portions formed therein which can be removed by an external force.

REFERENCES:
patent: 4630156 (1986-12-01), Saito
patent: 4823218 (1989-04-01), Ibe et al.
patent: 4849839 (1989-07-01), Tsubota et al.
patent: 5159505 (1992-10-01), Horiuchi et al.
patent: 5763967 (1998-06-01), Kurosawa et al.

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