| 摘要 |
PURPOSE: A speed reducer for a free roller among mail transfer rollers using a conveyor belt is provided to prevent damages to parcel mails and to improve the delivery quality of the mails. CONSTITUTION: A speed reducer for a free roller among mail transfer rollers using a conveyor belt comprises a transfer roller (1) for descent, a roller fixture (3), multiple roller supports (2), fixed free rollers, vertically movable free rollers, a fixed free roller fixture, a vertically movable free roller fixture, a reduction section, a conveyor belt, a brake roller, and multiple free roller conveyor belt connection bars. The fixed free rollers and the vertically movable free rollers are installed in an inclined free roller section under the transfer roller. The fixed free roller fixture and the vertically movable free roller fixture fix the fixed free rollers and the vertically movable free rollers. The roller supports are installed to be separated from the bottoms of the fixed free roller fixture and the vertically movable free roller fixture.
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