US44793A - Improvement in bracing and fastening spiral springs for mattresses - Google Patents

Improvement in bracing and fastening spiral springs for mattresses Download PDF

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US44793A
US44793A US44793DA US44793A US 44793 A US44793 A US 44793A US 44793D A US44793D A US 44793DA US 44793 A US44793 A US 44793A
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springs
bracing
mattresses
improvement
spiral springs
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C23/00Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/04Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using springs in compression, e.g. coiled
    • A47C23/05Frames therefor; Connecting the springs to the frame ; Interconnection of springs, e.g. in spring units

Description

JNITED STATES PATENT OFFICE.

ORLANDO FULLER, OF SAN FRANCISCO, CALIFORNIA.

IMPROVEMENT IN BRACING AND FASTENING SPIRAL SPRINGS FOR MATTRESSES.

Specification forming part of Letters Patent No. 14,793, dated October 25, 1864.

To all whom t may concern:

Be it known that 1, ORLANDO FULLER, of the city and county of San Francisco, and State of California, have discovered certain new and useful Improvements in the Mode of Bracing Iand Fastening Spiral Springs Used in Mattresses, Sofas, and Chairs, Src.; and I hereby declare that the following is a full, clear, and exact description of said improved method, reference being had to the accompanying drawings, making a part of this specification, in which- Figure lis a perspective view of a mattress (with the stuffed or upper portion removed) constructed according to myimproved method. Fig. 2 is a perspective view of a single row of springs and the method of bracing and fastening them. Fig. 3 is atop view of a single spring with the cords attached to the upper c )il ofthe spring.

Similar parts in the different figures are indicated by the same letters.

The frame-work for a mattress consists of a board box, a., with slats b across the bottom in the ordinary manner, and about one-half the height of the springs when iinally adjusted and fastened. The springs c are placed at suitable distances apart upon the slats, to which they are fastened by nails, staples, or by any other proper means, a strip of cloth being run between the first and second coils above the slats and fastened to the slats, to prevent noise from contact of the slats and wire. The springs are placed in parallel rows both laterally and longitudinally. Through cach of these rows of springs, and at a distance below the tops of the springs equal to about three-fourths of the distance from the top to the narrowest part of the springs, as springs are now made and used-to wit, at about the fourth coil from the top-a cord, d, of twine or wire, is drawn with a turn around each wire that it passes from one side to the other of the frame, to each side of which an end of the twineis secured. This twine should be drawn with a force of about one hundred and fifty pounds weight, so as to give the web it forms a considerable degree of firmness. This I call the adjusting-web. The springs are now adjusted vertically by sliding the wires along the cords, the interior sprin gs bein g placed erect, while the exterior ones are made to lean slightly outward. A cord, e, is now drawn through the center of each diago- Anal row of springs, on the plane of the adjusting-web, and fastened by a half-hitch to each wire and cord that it passes, the ends of the cord being attached to the frame. This I call the diagonal web. Finally, a third web of cords, which I call the bracing-web, is applied as follows: Directly over each cord of the diagonal web, and connecting the same points, a cord, f, is drawn from the frame upward to the upper coil of the spring, thence 'across it, and thence down to the junction of the cords belonging to the diagonal web situated equidistant from four springs, thence upward to the next spring, and so on to the frame on the side opposite to the startingpoint. The cord is secured by a half-hitch to each wire and cord or knot crossed in its passage. An elastic rod of rattan, steel, iron, or any other proper material is placed about the upper coils of the springs and fastened thereto in the ordinary manner.

The same method may be used in all articles-such as sofas, chairs, stools, and cushions of all kindswith slight modifications, such as will suggest themselves to any manufacturer.

In cheap articles the bracing-web of cords may be omitted by sewing the upper coils ofthe :p `ings to the under cloth of the stuffed top.

The operation of my invention is as follows: The adjusting and diagonal webs being placed considerably below the tops of the springs and drawn and fastened rmly, and in such a manner as to allow the springs to aid each other and distribute their power, causing the strong to support the weak ones, forms a firm and at the same time an elastic groundwork for the still more elastic system above. The peculiar method of bracing the upper coils of the springs allows the upper portion of each spring to sink without drawing any adjoining spring out of its position, and at the same time keeps the upper part of each spring in its proper place, the whole consttutinga delicately elastic, yet firm and lasting support to the cushion above.

Thus having fully described my invention, upper coils ofthe springs, in the manner and what I claim as new7 and desire to secure by for the purposes set forth.

Letters Patent, is- Dated at San Francisco this 1st day of J une,

The employment or use of :t supporting- 1864. web adjusted, by the means und in the mun- Witnesses: ORLANDO FULLER. ner set forth, at or near the centers of the ALFRED RIX, 1 springs, and the attachment thereto of the G. R. HARRs.

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