Mattress having a corrugated plate

Details Mattress having a corrugated plate Mattress having a corrugated plate

1977-08-03

1979-03-13

Sakran, Victor N.

Beds

Bedsteads

Element or detail

5355, 5 91, 128 13, 5361B, A47C 2708

Patent

active

041434358

ABSTRACT:
A mattress of foam rubber having a corrugated board disposed therein. Since the corrugated plate is substantially hard enough to straighten a sleeper's spinal cord, the sleeper can have a sound sleep while enjoying the soft feeling of foam rubber. Furthermore, the foam rubber is also provided with a number of round protrusions on its upper and lower surfaces as well as a number of magnets which are disposed in the valleys formed by those protrusions. Thus the sleeper can have a more sound sleep due to the effect of magnets.

REFERENCES:
patent: 237939 (1881-02-01), Wilson
patent: 272904 (1883-02-01), Russell
patent: 410652 (1889-09-01), Scott
patent: 2469084 (1949-05-01), Schenker
patent: 2532425 (1950-12-01), Schenker
patent: 3135974 (1964-06-01), Roman
patent: 3319274 (1967-05-01), Upton
patent: 3323152 (1967-06-01), Lerman
patent: 3360806 (1968-01-01), Dunaway
patent: 3846857 (1974-11-01), Weinstock
patent: 3974532 (1976-08-01), Ecchuya
patent: 4047254 (1977-09-01), Hamasu
patent: 4064578 (1977-12-01), Yamada

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