Spring coil assembly

Details Spring coil assembly Spring coil assembly

1988-05-23

1989-04-11

Kashnikow, Andres

Spring devices

Spring panel

With means to dampen vibration of springs, e.g., sound...

5266, 5309, 267 88, 267110, F16F 300, A47C 2300, A47C 2304

Patent

active

048199206

ABSTRACT:
A spring cushion structure with a plurality of hour-glass shaped spring coils arranged in columns and rows with adjacent springs within a row connected at the top and bottom by a helical wire extending between adjacent columns and with the marginal coils attached at the top to a border wire extending around the assembly. A transparent sheet is placed between the bottoms of the assembly and support sinuous wires which are bent to provide an upwardly extending integral suspending arm and bent again to provide an outwardly extending shepherd hook shaped attachment arm which is attached to a wood frame surrounding the periphery of the entire structure.

REFERENCES:
patent: 1206073 (1916-11-01), Young
patent: 1218770 (1917-03-01), Hills
patent: 2234425 (1941-03-01), Hopkes
patent: 2255958 (1941-09-01), Asaro et al.
patent: 2272807 (1942-02-01), Kronheim
patent: 2280912 (1942-04-01), Hopkes
patent: 2680475 (1954-06-01), Canton
patent: 2685328 (1954-08-01), Hopkes
patent: 2729830 (1956-01-01), Gleason
patent: 2870823 (1959-01-01), Staples
patent: 3386725 (1968-06-01), Fujikawa
patent: 3671031 (1972-06-01), Krakauer
patent: 4348014 (1982-09-01), Litkewycz
patent: 4364547 (1982-12-01), Crosby

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