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US 5,675,457 AGranted
Head drum assembly for use in a video cassette recorder
AssigneeVideo Research Center, Daewoo Electronics
InventorKeum-Mo Kim
Life of this patent
Estimating the term…
Abstract
A head drum assembly for use in a video cassette recorder includes a rotating shaft, a rotary drum coupled with the rotating shaft, a stationary drum attached to the rotating shaft under the rotary drum, a rolling bearing disposed between the rotating shaft and the upper part of the stationary drum, and a sliding bearing disposed between the rotating shaft and the lower part of the stationary drum.
Claims6
A head drum assembly for use in a video cassette recorder, comprising:
- a rotating shaft having a bearing surface on its lower portion;
- a flange fitting around an upper portion of the rotating shaft;
- a rotary drum fixed to the flange;
- a stationary drum attached to the rotating shaft under the rotary drum and provided with a bore through its center, the bore having an upper part, a middle part, and a lower part matching the bearing surface of the rotating shaft;
- bearing means for rotatably supporting the rotating shaft, the bearing means including a rolling bearing means disposed between the rotating shaft and the upper part of the stationary drum and a sliding bearing means disposed between the rotating shaft and the lower part of the stationary drum.
2 more elements
Dependencies are inferred from the claim text.