PERSON SUPPORT APPARATUS POWER DRIVE SYSTEM
First Claim
Patent Images
1. A person support apparatus, comprising:
- a lower frame;
an upper frame movably supported above the lower frame;
a drive structure coupled to the upper frame and movable therewith, the drive structure being configured to selectively engage a surface to, when activated, propel the person support apparatus along the surface; and
a control system configured to determine an engagement status of the drive structure with the surface and trigger a response based on the engagement status.
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Abstract
A person support apparatus comprises a lower frame, an upper frame, a drive structure, and a control system. The upper frame is movably supported above the lower frame. The drive structure is coupled to the upper frame and configured to selectively engage a surface to, when activated, propel the person support apparatus along the surface. The control system is configured to determine an engagement status of the drive structure with the surface and trigger a response based on the engagement status.
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Citations
28 Claims
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1. A person support apparatus, comprising:
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a lower frame; an upper frame movably supported above the lower frame; a drive structure coupled to the upper frame and movable therewith, the drive structure being configured to selectively engage a surface to, when activated, propel the person support apparatus along the surface; and a control system configured to determine an engagement status of the drive structure with the surface and trigger a response based on the engagement status. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28-59. -59. (canceled)
Specification