Beds – Bedsteads – Upending
Patent
1985-02-14
1986-12-30
Smith, Gary L.
Beds
Bedsteads
Upending
5158, 5159R, A47C 1906
Patent
active
046317635
ABSTRACT:
A retractable bed includes a self-standing enclosure frame having tracks with curved segments at opposite ends of the enclosure. A mattress support frame formed of interconnected hinged sections has rollers which engage the tracks such that the mattress frame slides between a retracted position within the enclosure and a sleeping position extending from the enclosure. The mattress frame is oriented to move sideways into and out of the enclosure. A motor bracket is pivotally connected to the enclosure frame, has a motor mounted thereon, and has an elongated threaded shaft engaged with the motor. A nut arm is pivotally connected to the mattress frame, and a nut on a free end of the arm is threaded onto the shaft. Rotation of the shaft moves the mattress frame along the tracks for extension and retraction. Pivoting of the drive assembly accommodates movement of the mattress frame around the curved segments of the tracks.
REFERENCES:
patent: 438132 (1890-10-01), Anderson et al.
patent: 1004104 (1911-09-01), Taylor
patent: 1542766 (1925-06-01), Hall
patent: 2484377 (1949-10-01), Eramo et al.
patent: 2628371 (1953-02-01), Null
patent: 2683883 (1954-07-01), Hirst
patent: 3517397 (1970-06-01), Moore
patent: 4449263 (1984-05-01), Wilson et al.
Smith Gary L.
Trettel Michael F.
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