Variable bed having multiple functions

Details Variable bed having multiple functions Variable bed having multiple functions

1990-07-16

1991-08-20

Trettel, Michael F.

Beds

Sofa bed

Reverting back

5 67, 5 76, A61G 706

Patent

active

050402536

ABSTRACT:
A variable bed includes a foldable bed having a plurality of bed units pivotally joined with one another normally lying on a bed frame positioned under the foldable bed; a central jack capable of raising a bed unit of a back portion of the foldable bed for forming a reclining bed or a folding chair on the frame; two end jacks for raising a head portion and a foot portion of the bed for forming a concave bed or for suspending the bed above the frame for serving as a hammock; and a driving motor as controlled by several clutches for driving the jacks or for moving the bed units frontwardly for converting a reclining bed to a folding chair to allow several front bed units to be pendant on a front end wall of the bed frame.

REFERENCES:
patent: 25766 (1859-10-01), Sheidley
patent: 638755 (1899-12-01), Piper et al.
patent: 704625 (1902-07-01), Fox
patent: 805805 (1905-11-01), Loose
patent: 1630453 (1927-05-01), Smith
patent: 3693200 (1972-09-01), Stafford
patent: 4675926 (1987-06-01), Lindblom et al.
patent: 4787104 (1988-11-01), Grantham

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