Structure of mechanism |
| Function |
The motion device described in the patent relates to a hospital bed for variably positioning a patient. The hospital bed is based on a linkage with 13 links and 17 joints, which is driven by two cylinders. The degree of freedom of the mechanism is F = 2. |
| Dimension of mechanism |
planar |
| Number of links |
13 |
| Drive movement |
Rectilinear translation |
| Output movement |
Frame motion |
| Degree of freedom |
2 |
| Fundamental mechanism |
 Link containing mechanism |
| Number of inputs |
2 |
| Number of followers |
1 |
| Revolution ability |
no |
| Revolution ability of input link |
no |
| Relative position between drive and output |
intersecting |
| |
Guidance function |
| Direction of the path |
reversed direction |
| Orientation of output link |
symmetrical |
| Trace of a dedicated point on follower |
 Open trace
 Straight line motion |
| Dimension of mechanism |
planar |
| Input reference |
yes |
| Progress of orientation respecting output link |
oscillating: unknown range |
| |
Application |
| Application area |
Medical Science |
| |
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