US181787A - Improvement in rocking-chairs - Google Patents
Improvement in rocking-chairs Download PDFInfo
- Publication number
- US181787A US181787A US181787DA US181787A US 181787 A US181787 A US 181787A US 181787D A US181787D A US 181787DA US 181787 A US181787 A US 181787A
- Authority
- US
- United States
- Prior art keywords
- rocker
- rocking
- spring
- chairs
- improvement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 210000003414 Extremities Anatomy 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/02—Rocking chairs
- A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
- A47C3/027—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with curved rocking members between seat and base frame
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
- A47C7/444—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs of torsion type
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Description
H. LAMPRECHT.
RocKING CHAIR. N.0,181,787. Patented Sept. 5, 1876.
@f7 M @y/WW UNITED STATES PATENT 0FFIoE.
HUGO LAMPREGH'I, OF NEW YORK, N. Y.
IMPROVEMENT IN ROCKING-CHAIRS.
Specification forming part of Letters Patent No. 181,787, dated September 5, 1876; application led June 13, 1876.
To all whom it may concern Be it known that I, HUGO LAMPREGHT, of New York, in the State of New York, have invented certain new and useful Improvements in Rocking-Chairs, of which the following is a specification:
My improvement consists in a certain novel arrangement of the parts of a spring-rocker, consisting of a crossbar sustaining a rod, carrying the coils of a spring, the central portion of which bears against the cross-bar, and the extremities are arranged for acting on the rocker, while the latter has segmental guides arranged to work downward over bolts upon the inside of the supporting-frame, all substantially as herein set forth.
In the accompanying drawing, Figure I represents a vertical section of my chair, and Fig. II is a plan view.
A designates the rocker of the chair, which is mounted on the sides B of a supportingframe. Segmental guides O are attached to the rocker, and are arranged to work downward over suitable bolts a, fast on the inner sides ofthe frame B. On the two sides of the rocker A fenders E are attached, to close the opening between the rocker A and the frame B, and at the same time act to retain the rocker in its proper position. m is a crosspiece affixed in the side frames B, and a round rod, n, is securely fastened to this cross piece or bar. D is a spring having a tendency to bring the rocker continually toits equilibrium. The central part fw of this spring is bent square, U-shaped, and made to bear with its two arms against the cross-piece m. It is then wound around the round bar or rod n, right and left handed, and its projecting arms are attached at their ends o to brackets s, hinged to plates b, securely fastened to the under side of the rocker A near the central part of the seat.
By this arrangement of parts, whereby the two ends of the spring are attached to the rocker, and the two parts of the central part w of the spring caused to bear against the cross-bar m, I obtain four bearing-points of this spring, whereby great tension is obtained,
as the spring coils and uncoils at four places when the rocker moves backward and forward, while the arrangement of the guides O upon the rocker instead of on the supporting-frame, and so as to work downward inside of the frame, carries them out of the way and reduces the liability of derangement.
The cross-piece m may be provided with a metal lining where the part w of the spring bears against the same, to render that part capable of withstanding the strain and wear.
The endsof the segmental guides G will limit the backward and forward movement of the rocker-frame A.
What I claim as new, and desire to secure by Letters Patent, is
In a rocking-chair having a supporting'- frame provided with fenders E, the combination of the cross-bar m, sustaining a rod, n, carrying the coils of' a spring, D, the central portion of which bears against the cross-bar m, and the two extremities attached to brackets s, pivoted to plates b, affixed to the rocker, and the latter provided with slotted guides, arranged for working downward over bolts a on the inside of the supportir1g-frame, substantially as set forth.
HUGO LAMPREOHT.
Witnesses:
HENRY E. ROEDER, J. B. N oNEs.
Publications (1)
Publication Number | Publication Date |
---|---|
US181787A true US181787A (en) | 1876-09-05 |
Family
ID=2251193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US181787D Expired - Lifetime US181787A (en) | Improvement in rocking-chairs |
Country Status (1)
Country | Link |
---|---|
US (1) | US181787A (en) |
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0
- US US181787D patent/US181787A/en not_active Expired - Lifetime
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