Beds – Bedsteads – Upending
Patent
1988-07-20
1990-02-20
Grosz, Alexander
Beds
Bedsteads
Upending
5 53B, 5164R, A47C 1740
Patent
active
049013823
ABSTRACT:
A wall bed is disclosed employing a linkage assembly which moves the wall bed outwardly from a wall or cabinet in a fashion so that the head end of the bed will not be in the cavity and the level of the mattress will be at a height which approximately corresponds to the height of conventional beds. Three counter-balancing spring assemblies are disclosed. One employs an angle member which connects extension springs to the bed base so that they are contained within a compact structure which is received within the cavity. The second employs a linkage assembly having short and long links pivotably connected to each other by their ends, with an extension spring connected to the short link and a mounting frame. The third employs a linkage assembly with extension springs that neutralize the counter-balancing force when the wall bed is open to eliminate floating. A headboard is also provided which may be tilted rearwardly or positioned at a right angle to the sleeping surface.
REFERENCES:
patent: 1624222 (1927-04-01), Duvall
patent: 1820672 (1931-08-01), Muchlinski
patent: 1837211 (1931-12-01), Duvall
patent: 1898578 (1933-02-01), Fox
patent: 3179956 (1965-04-01), Bennett
patent: 3464070 (1969-09-01), Driver
patent: 3550167 (1970-12-01), Bennett
patent: 4466147 (1984-08-01), Yokol et al.
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