Beds – Cots – Sectional
Patent
1990-05-18
1991-07-09
Trettel, Michael F.
Beds
Cots
Sectional
5431, 5462, 5216, 297219, 297284, A47C 1766, A47C 2000
Patent
active
050293494
ABSTRACT:
A chair assembly adaptable for comfortably supporting the abdomen of a pregnant woman in a prone position, the chair having a first, second and third support frame, the third support frame adjustable with respect to the first and second support frame for rotation from a horizontal position to a substantially vertical position, the third support frame having an adjustable abdomen support longitudinally positioned between its ends for cooperation with cushions positioned on the first support frame and the third support frame in order to support the abdomen of a pregnant woman while she reclines in a prone position.
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patent: 712203 (1902-10-01), Pelletieri et al.
patent: 1566574 (1925-12-01), Berg
patent: 3289222 (1966-12-01), Nielson
patent: 3464069 (1969-09-01), Bien
patent: 4021872 (1977-05-01), Powell
patent: 4051566 (1977-10-01), Esquivel
patent: 4054960 (1977-10-01), Pettit et al.
patent: 4508384 (1985-04-01), Castelot et al.
patent: 4921301 (1990-05-01), Haynes
Frayne Clifford G.
Trettel Michael F.
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