Spring mattress strip

Details Spring mattress strip Spring mattress strip

1989-06-19

1991-10-22

Trettel, Michael F.

Beds

Bedsteads

Having bottom

5241, 267 361, 267158, 108901, A47C 2306

Patent

active

050582232

ABSTRACT:
Spring strips for spring mattresses, of the type having an intrinsical convexity, has a one piece construction capable of being manufacturing by a process of moulding, and includes end portions for coupling to a mattress frame by means of a plurality of longitudinal ribs in the manner of beams having longitudinally variable width edges with a maximum at the center line of the spring strip and a minimum near said end portions. The ribs are stiffened by a plurality of longitudinal and transversal diaphragms forming a grating of junctions and bars which constitute the area for the load support. For this purpose, a flexible plastic material is used.

REFERENCES:
patent: 51755 (1865-12-01), Schott
patent: 3462195 (1969-08-01), Allen
patent: 3634894 (1972-01-01), Harbison
patent: 3636574 (1972-01-01), Kramer
patent: 4476595 (1984-10-01), Ikeda
patent: 4533179 (1985-08-01), Nichols et al.
patent: 4535494 (1985-08-01), Diamonstein
patent: 4704751 (1987-11-01), Guerra

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