| 摘要 |
An image scanning apparatus has an apparatus sub-frame and a separate sub-frame which are adapted to rest upon a floor or like supporting surface independently of one another. The separate sub-frame includes a scanning station having means for scanning the thus-transported recording medium with a beam of radiation and the apparatus sub-frame has a conveyor for transporting an image recording medium towards and away from the scanning station. The apparatus sub-frame carries wheels which are adapted to be lowered into contact with the supporting surface in order to elevate the apparatus sub-frame above such surface. The apparatus and separate sub-frames have cooperating shoulders which are brought into abutment when the apparatus sub-frame is elevated and upon continued elevation of the apparatus sub-frame result in simultaneous elevation of the scanning station sub-frame above the supporting surface. The projections preferably are configured to bring about self-alignment of the two sub-frames relative to one another upon abutment thereof. The separate sub-frame preferably includes a separate conveyor for receiving the medium from the apparatus sub-frame conveyor and delivering the same to the scanning station to thereby isolate the scanning station from vibrations present in the apparatus sub-frame.
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