Invalid Chair
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An invalid chair to facilitate entry and exit from the chair by an invalid comprises a chair base, a seat portion, guide means connecting said seat portion to said chair base, said guide means guiding said seat portion from a lowered position to a raised position with a combined upward, forward and forwardly tilting movement, and resilient means adapted to urge the seat portion towards said raised positions and a latch mechanism to enable the seat portion to be held in the lowered position.
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Government Printing Office The Official Gazette of the United States Patent Office (Washington, DC: Government Printing Office, 1895)
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