Spring counterbalanced folding wall bed

Details Spring counterbalanced folding wall bed Spring counterbalanced folding wall bed

1987-07-23

1988-08-30

Foss, J. Franklin

Beds

Bedsteads

Upending

5136, A47C 1906

Patent

active

047666234

ABSTRACT:
A spring counter-balanced folding wall bed is described in which compression springs are mounted along the inside surfaces of the bed frame members. The bed frame members are pivoted on a supporting framework and a connecting rod extends between one end of the spring and a spring pivot which is mounted a distance D on the opposite side of the bed pivot from the bed and by a distance H above the bed pivot so that when the bed frame is raised the bed spring is extended and when the bed is lowered the spring is compressed to thereby counter-balance the weight of the bed.

REFERENCES:
patent: 1918085 (1933-07-01), Cocks
patent: 3909857 (1975-10-01), Herrera
patent: 4266747 (1981-05-01), Souder
patent: 4329746 (1982-05-01), Bergerud
patent: 4370766 (1983-02-01), Teague
patent: 4589152 (1986-05-01), Pakosh

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