Additional roller in a fixed frame
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United States of America Patent
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Mar 4, 2014
Grant Date -
Jul 22, 2010
app pub date -
Feb 8, 2007
filing date -
Feb 17, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A hospital bed with a chassis and with four rollers arranged on the chassis has at least one further auxiliary roller that can be brought into contact with the floor or that can alternatively be driven. The auxiliary roller is mounted on a rigid frame and, together with the frame, can be raised or lowered relative to the chassis by pivoting. A drive motor is secured on the frame and drives the auxiliary roller. A separate pivot drive is provided for raising and lowering the auxiliary roller. The separate pivot drive is secured entirely on the frame and pivots with the frame.
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