US1089233A - Spring bed-bottom. - Google Patents

Spring bed-bottom. Download PDF

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Publication number
US1089233A
US1089233A US69944612A US1912699446A US1089233A US 1089233 A US1089233 A US 1089233A US 69944612 A US69944612 A US 69944612A US 1912699446 A US1912699446 A US 1912699446A US 1089233 A US1089233 A US 1089233A
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Prior art keywords
wires
coil
wire
spring
springs
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US69944612A
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Joseph P Leggett
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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
    • A47C23/30Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using combinations of springs covered by more than one of the groups A47C23/04, A47C23/06 and A47C23/12; Frames therefor
    • A47C23/32Combinations of nets with springs in compression; Frames therefor

Definitions

  • My invention relates to improvements in spring bed bottoms.
  • One object of my invention is to provide a spring bed bottom of the type employing coil springs, with a comparatively smooth mattress surface having a large number of points located closely together for supporting a mattress.
  • Another object of my invention is to provide a spring bed bottom which is cheap to manufacture, is eflicient in operation, is durable, and which is not liable to get out of order.
  • Still another object of my invention is to provide novel means for securely holding in their proper positions the upper coils of the springs without the employment of other securing devices than the ordinary crossed wires which form with the springs the mattress surface.
  • Figure 1 is a plan View of a portion of a spring bed bottom embodying my improvement.
  • Fig. 2 is a vertical sectional view of a portion of a spring bed bottom employing my invention.
  • Fig. 8 is a perspective view of the upper coil of one of the bed springs and the two pairs of crossed wires engaged therewith.
  • 1 designates the coil spring which may be of the single cone or other type supported by crossed wires 2 and 3.
  • the mattress surface of the bed bottom comprises the upper coils of the springs 1 which are interwoven with two sets of wires 4: and 5, one set being interwoven with the wires of the other set.
  • the upper coil of each spring 1 is interwoven with a pair of wires of each set and the wires of each pair of wires 1 and 5 engage the coils with which they are interwoven at diametrically opposite sides of the coils, each wire, as shown in Fig. 1, being substantially tangential with the inner side of the coil with which it engages.
  • the wires of each pair of each set of wires i and 5 respectively cross at opposite sides of the wires and coils which are intersected by them, as is shown in Fig. 3.
  • each wire 4- and 5 is provided with bends 6 at its points of intersection with the coils of the springs 1 and .with the other wires 4: and 5.
  • the end of the top coil of each spring is downwardly bent at 7 where the end portion of the coil crosses over the adjacent top cross wire.
  • the upper ends of the springs 1 are very firmly held from turning and from lateral movement in any direction.
  • the wires 1 and 5 are preferably spring wires and have their ends secured to a border wire 8, in a manner well known.
  • simple cone coil springs may be employed in the state in which they come from the coiling machine, the upper coils being simply threaded between the bends 0f the wires l and 5, and the end of the upper coils then turned down at the points 7.
  • the lower ends of the springs 1 may then be attached to the bottom cross wires.
  • a coil spring In a spring bed bottom, a coil spring, and four wires, two of which are interwoven with the other two, and each wire passing over and under one coil of the spring, each wire being substantially tangential with the inner side of the coil with which it engages.
  • each wire of each pair passing over one wire of the other pair, then under and then over one coil of the spring and then under the other wire of the other pair, the wires of one pair crossing the wires of the other pair on opposite sides. each wire being substantially tangential with the inner side of the coil with which it engages.
  • a mattress surface comprising the end coils of a plurality of coil springs, and two sets of wires, one set being interwoven with the wires of the other set, and each coil of said end coils being'interwoven with two wires of each set,
  • each wire being substantially tangential with the inner side of the coil with which it engages.

Description

J. P. LEGGETT.
SPRING BED BOTTOM.
APPLIOA'IION FILED MAY 24, 1912.
1,089,233. Patented Mar. 3, 1914.
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WITNESSES:
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JOSEPH P. LEGGETT, OF CARTHAGE, MISSOURI.
SPRING BED-BOTTOM.
Specification of Letters Patent.
Patented Mar. 3, 1914.
Application filed May 24, 1912. Serial No. 698,446.
To all whom it may concern:
Be it known that I, JOSEPH P. Lnoon'rr, a citizen of the United States, residing at Carthage, in the county of Jasper and State of Missouri, have invented a certain new and useful Improvement in Spring Bed- Bottoms, of which the following is a specification.
My invention relates to improvements in spring bed bottoms.
One object of my invention is to provide a spring bed bottom of the type employing coil springs, with a comparatively smooth mattress surface having a large number of points located closely together for supporting a mattress.
Another object of my invention is to provide a spring bed bottom which is cheap to manufacture, is eflicient in operation, is durable, and which is not liable to get out of order.
Still another object of my invention is to provide novel means for securely holding in their proper positions the upper coils of the springs without the employment of other securing devices than the ordinary crossed wires which form with the springs the mattress surface.
Other novel features of my invention are hereinafter fully described and claimed.
In the accompanying drawings which illustrate the preferred form of my invention,
Figure 1 is a plan View of a portion of a spring bed bottom embodying my improvement. Fig. 2 is a vertical sectional view of a portion of a spring bed bottom employing my invention. Fig. 8 is a perspective view of the upper coil of one of the bed springs and the two pairs of crossed wires engaged therewith.
Similar characters of reference designate similar parts in the diiferent views.
1 designates the coil spring which may be of the single cone or other type supported by crossed wires 2 and 3.
The mattress surface of the bed bottom comprises the upper coils of the springs 1 which are interwoven with two sets of wires 4: and 5, one set being interwoven with the wires of the other set. The upper coil of each spring 1 is interwoven with a pair of wires of each set and the wires of each pair of wires 1 and 5 engage the coils with which they are interwoven at diametrically opposite sides of the coils, each wire, as shown in Fig. 1, being substantially tangential with the inner side of the coil with which it engages. The wires of each pair of each set of wires i and 5 respectively cross at opposite sides of the wires and coils which are intersected by them, as is shown in Fig. 3. Thus one wire at passes over one wire 5, then under the top coil of a spring 1, then over said coil and then under the other wire 5, while the other wire t passes under the first wire 5 when over and under the coil of the spring and then over the other wire 5. This same arrangement occurs relative to the wires 5 with respect to the top coils and the wires 4 and to each other. Each wire 4- and 5 is provided with bends 6 at its points of intersection with the coils of the springs 1 and .with the other wires 4: and 5. The end of the top coil of each spring is downwardly bent at 7 where the end portion of the coil crosses over the adjacent top cross wire.
By means of the above described con struction, the upper ends of the springs 1 are very firmly held from turning and from lateral movement in any direction. The wires 1 and 5 are preferably spring wires and have their ends secured to a border wire 8, in a manner well known. By means of this construction simple cone coil springs may be employed in the state in which they come from the coiling machine, the upper coils being simply threaded between the bends 0f the wires l and 5, and the end of the upper coils then turned down at the points 7. The lower ends of the springs 1 may then be attached to the bottom cross wires. The employment of separate securing devices for attaching the springs to the wires 4L and 5 is eliminated, and a mattress surface is provided which has many closely related points for supporting a mattress, and shifting laterally or detachment of the springs 1 relative to the wires 4 and 5 is prevented.
I do not limit my invention td the structure described and shown, as modifications, within the scope of the appended claims, may be made without departing from the spirit of my invention.
Having thus described my invention, what I claim and desire to secure by Letters Patent, is
1. In a spring bed bottom, a coil spring, and four wires, two of which are interwoven with the other two, and each wire passing over and under one coil of the spring, each wire being substantially tangential with the inner side of the coil with which it engages.
2. In a spring bed bottom a coil spring, and two pairs of wires, each wire of each pair passing over one wire of the other pair, then under and then over one coil of the spring and then under the other wire of the other pair, the wires of one pair crossing the wires of the other pair on opposite sides. each wire being substantially tangential with the inner side of the coil with which it engages.
3. In a spring bed bottom, a mattress surface comprising the end coils of a plurality of coil springs, and two sets of wires, one set being interwoven with the wires of the other set, and each coil of said end coils being'interwoven with two wires of each set,
'each wire being substantially tangential with the inner side of the coil with which it engages.
In testimony whereof I have signed this specification in presence of two subscribing witnesses.
JOSEPH P. LEGGETT. Witnesses: J. A. HUDsoN,
W. H. lVATnRs, J r.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C.
US69944612A 1912-05-24 1912-05-24 Spring bed-bottom. Expired - Lifetime US1089233A (en)

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US69944612A US1089233A (en) 1912-05-24 1912-05-24 Spring bed-bottom.

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US69944612A US1089233A (en) 1912-05-24 1912-05-24 Spring bed-bottom.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4699362A (en) * 1985-07-05 1987-10-13 Leggett & Platt, Incorporated Spring element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4699362A (en) * 1985-07-05 1987-10-13 Leggett & Platt, Incorporated Spring element

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