| 摘要 |
A housing provided therein with a vertically oriented slot of a size to receive a lower portion of a record on edge, means in the housing and engageable with the edge of a record in the slot for supporting the record for rotation about its axis, brushes carried by the housing and respectively extending along opposite edges of the slot and engageable with successive portions of opposite sides of a record in the slot as the record is rotated about its axis, vacuum means in the housing for flowing air into the housing through the slot to remove dust from opposite sides of the record and from the brushes, the air being exhausted through an outlet in the housing, and means in the housing for rotating the record about its axis as air flows into the housing through the slot.
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