US252701A - William h - Google Patents

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US252701A
US252701A US252701DA US252701A US 252701 A US252701 A US 252701A US 252701D A US252701D A US 252701DA US 252701 A US252701 A US 252701A
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william
rhodes
dies
connecting portion
spring
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/04—Spring 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
    • A47C23/043—Spring 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 using wound springs
    • A47C23/0436—Spring 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 using wound springs made from a single wire

Definitions

  • Our invention consists in certain improvements in what is known as a twin bedspring, a sample of which class of springsis shown and described in United States Patent No. 218,983, dated August 26, 1879, gra'nted to Daniel Kellogg; and the object of our invention is to produce a spring which can be more readily manufactured and bent or shaped by the most simple mechanism in common use.
  • B B represent the terminalsof the two coils AA, of usual construction. These terminals are left straight forinsertion through holes in the slats in usual manner, and, like the coils A A, form no part of our present invention.
  • the connecting portion 0 consists of an integral length of wire disposed to serve not only as a connecting medium for the springs, but to sustain over an area substantially equal in width and breadth to that of each springany weight or pressure applied thereon; but we do not claim such connections, broadly,
  • the connecting portion 0 is formed by disposing the material in parallel lines terminating and merging into free gradual curves, the object being to preserve the width and breadth of supporting area, and at the same time secure such curvature in the material as will not require movable devices to form the same.
  • the central portion is bent about-around and between guides or. dies, and while so placed or bent the natural elasticity of the wire causes it to bend or spring firmly in opposition to the dies, and where said dies, around which the loops are formed, are oppositely arranged this bending requires either movable dies or the application of considerable force to remove the wires therefrom, which usually results in the necessity of touching up or reshaping the wires by hand-or other machinery.
  • twin bedspring herein shown and described, consisting of the two oppositely-coiled springs A A, provided with the straight depending terminals B B, and with the connecting portion 0, disposed in straight lines terminatingin semi-- circular curves lying within the lateral extent of the upper coils of each spring, as shown and described.

Description

(No Model.)
T. A. & W. H. RHODES. SPRING FOR BED BOTTOMS.
Patented Jah. Z4,1882.
' UNrreD STATES PATENT Grate THOMAS A. RHODES AND WILLIAM H. RHODES, OF PAYNEVILLE, KY.
SPRlNG FOR BED-BOTTOMS.
SPECIFICATION forming part of Letters Patent No. 252,701, dated January 24., 1862.
' Application filed October 15, 1881. (No model.)
WILLIAM H. Rnonns, citizens of the United States, residing at Payneville,-in the county.
'oti Meade and State of Kentucky, have invented a certain new and useful Improvement in Springs for Bed-Bottoms; and we do hereby declare that the following is ai'ull, clear, and exact description of the construction of the same, reference being had to the accompanying drawing, forming part of this specification.
Our invention consists in certain improvements in what is known as a twin bedspring, a sample of which class of springsis shown and described in United States Patent No. 218,983, dated August 26, 1879, gra'nted to Daniel Kellogg; and the object of our invention is to produce a spring which can be more readily manufactured and bent or shaped by the most simple mechanism in common use. Referring to the drawing herewith, which illustrates a twin spring embodying our improvement, B B represent the terminalsof the two coils AA, of usual construction. These terminals are left straight forinsertion through holes in the slats in usual manner, and, like the coils A A, form no part of our present invention.
The connecting portion 0 consists of an integral length of wire disposed to serve not only as a connecting medium for the springs, but to sustain over an area substantially equal in width and breadth to that of each springany weight or pressure applied thereon; but we do not claim such connections, broadly,
nor do we claim anything shown or described in said Kelloggs patentabove mentioned, because our invention relates to a matter subsidiary to that ofa connecting portion adapted to act as above stated.
It will be observed that the connecting portion 0 is formed by disposing the material in parallel lines terminating and merging into free gradual curves, the object being to preserve the width and breadth of supporting area, and at the same time secure such curvature in the material as will not require movable devices to form the same.
It will he observed 7 that in the case above mentioned the curvatures of the connecting portion are all abrupt, the loops are rounded, and practically no straight lines exist therein.
In .the manufacture of this class of springs,-
either before or after the coils are formed, the central portion is bent about-around and between guides or. dies, and while so placed or bent the natural elasticity of the wire causes it to bend or spring firmly in opposition to the dies, and where said dies, around which the loops are formed, are oppositely arranged this bending requires either movable dies or the application of considerable force to remove the wires therefrom, which usually results in the necessity of touching up or reshaping the wires by hand-or other machinery.
1n the form of springconnection shown by. us the loops are simply half-circles joined bystraight lines, and the connection is easily removed from the dies, and requires no subsequent touching up or reshaping, and experiment and experience in the manufacture of said class ot'tsprings, as shown in the said Kellogg patent, have demonstrated a reduction in the expense thereof.
We do not claim broadly the curves joined by straight lines as of our invention; but- What we do claim as new, and wish to secure by Letters Patent, is
As an article of manufacture, the twin bedspring herein shown and described, consisting of the two oppositely-coiled springs A A, provided with the straight depending terminals B B, and with the connecting portion 0, disposed in straight lines terminatingin semi-- circular curves lying within the lateral extent of the upper coils of each spring, as shown and described.
THOMA A. RHODES. WILLIAM H. RHODES.
Witnesses:
G. HEWITT, FRANK PARDoN.
US252701D William h Expired - Lifetime US252701A (en)

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