| 摘要 |
The lift chair has a chair fame pivotally connected to a chair base for pivotal movement about a chair frame horizontal axis. A liner actuator pivots the chair frame about a chair frame horizontal axis. Left and right arm rests are pivotally attached to the chair frame by hinge and ratchet assemblies. The hinge portions have an arm rest axis at the rear of the arm rests. The ratchet portion permit forward ends of the arm rests to be raised as required and hold the arm rests in selected positions to assist a person to stand after the chair frame has been pivoted upward about the chair frame horizontal axis. The arm rests are pivoted to their upper limit to release the ratchet assemblies and free the arm rests to pivot to their lower positions.
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