Patient transfer device with differential belt-table speed control
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United States of America Patent
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Jun 6, 2017
Issued Date -
N/A
app pub date -
Oct 8, 2010
filing date -
Oct 8, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A patient transfer device includes a table assembly having upper and lower tables with counter-rotating upper and lower belts. Means are provided to move the table assembly toward an extended position with the upper belt moving at a rotational speed which is greater than a translational speed of the table assembly. Faster movement of the upper belt may be in response to a determination that the patient has a characteristic whose value is within a predetermined range. The patient characteristic may be patient weight, e.g., with the predetermined range being less than 250 pounds. In the illustrative implementation a patient transfer device of the present invention includes a control system having a keyboard for receiving user input indicating that the upper belt should be moved faster, and control logic responsive to the user input which controls speeds of motors that independently drive the upper belt and the table assembly.
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Family
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