US774670A

US774670A - Spring bed-bottom.

Info

Publication number: US774670A
Application number: US18062203A
Authority: US
Inventors: Francis Karr
Original assignee: Individual
Current assignee: Individual
Priority date: 1903-11-10
Filing date: 1903-11-10
Publication date: 1904-11-08
Anticipated expiration: 1921-11-08

Description

No. 774,670. PATENTED NOV. 8, 1904.

I F. KARE. V

SPRING BED BOTTOM.

APPLIOATION FILED NOV. l0 1903.

N0 MODEL.

um/"foal MM K UNITED STATES Patented November 8, 1904.

PATENT I OFFICE. v

SPRING BED-BOTTOM.

SPECIFICATION forming part of LettersPatentNol 774,670, dated November 8, 1904. Application-filed IIovember 10,1903. strain... 180,622. (No model.)

To all whom, it may concern.-

Be it known that I, FRANCIS KARR, a citizen of the United States, residing at Holland, in the county of Ottawa and State of Michigan, haveinvented certain new and useful Improvements in SpringBed-Bottoms, of which the following is a specification.

My invention relates to improvements in woven-wire spring bed-bottoms; and its objects are, first, to provide an easily-applicable center support for the woven-wire fabric, and, second, to provide a support that may be easily adjusted longitudinally of the wovenwire fabric. I attain these objects by the mechanism illustrated in the accompanying drawings, in which Figure l is a perspective of a spring-frame with the woven-wire fabric removed to show the manner of applying the supports. 2 is a perspective of one section of the support. spring bed-bottom with the support in place, and Fig. 4 is the same without the support.

Similar letters refer to similar-parts throughout the several views.

A A represent the end rails, and A A represent the side rails, of the frame that supports the woven-wire fabric .F, the ends of the fabric being SBCUI'QdzlZO the end rails, A A, as indicated in Figs. Sand 4.

The support I aim to provide consists of a series of wire yokes bent to form the upwardly-projecting cross-rods C, bent to form the vertical supports 0, so situated that the ends 0 will project some distance, so that when placed in the bed-bottom these ends willoverlap, as indicated in Fig. 1, forming a practically continuous support, and again bent back at the point-of connecting with the helical springs B B to form a proper connection with the ends of these springs, whence the arms 0 0 project back and are provided with hooks 0". In the more simple construction I place two of these yokes in eachsupport and connect the hooks 0 directly with the hooks d on the grip-wires and place the two helical springs B between them in such a manner that any weight upon the top of the fabric will press down upon the cross-bars C, forc- Fig.

Fig. 3 isaside'view of a woven-wire.

ing the fabric F practically to the position of the dotted lines in Fig. 3, which will cause the helical springs B to expand longitudinally and will utilize the increased tension of the spring to hold the fabric and its load up to a comfortable position, instead of allowing them to drop down below the level to the position shown by the dotted lines in Fig. 4 or lower.

The grip-wires D are passed around the end rails A and the ends d hooked around the upper wire, as indicated, so that they may be easily adjusted and cannot bedrawn off of the rails by the increased tension of the springs B.

For the purpose of making this support adjustable-that is, so that the distance between the cross-bars C may be variedI interpose links E, either between the hooks c" and (Z, as in Fig. 2, to allow only the length of the helical springs B between the yokes or between the ends of the helical springs B and'the stand- ..aid 0, as -in Fig. 3, to increase the distance 'between'the bars G, or they may be placed with only one pair of linksin each place to change the position'of the center of the bedbottom, or, if desired, the position of thelinks and the spring may be interchanged.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters-Patent of the United States, is

1. In combination with the side rails, end rails, and fabric of a spring bed-bottom; a support consisting of cross-bars, engaging the fabric from below, bent and extending downward, then bent and extending longitudinally of the bed, and intervening springs; the said support secured to the end rails, substantially as and for the purpose set forth.

2. In combination with a spring bed-bottom, the end rails, side rails, and fabric thereof; supporting-bodies, bearing crosswise of the lower side of the fabric, bent and extending downward, bent again and extending longitudinally of the bed, and secured to the end rails of the bed-bottom, and intervening springs in the longitudinal construction of said supports, substantially as and for the purpose set forth.

3. In combination with a spring bed-bottom, the end rails, side rails and fabric thereof, wires forming lateral supporting-bodies Signed at Grand Rapids, Michigan, Octobent and extending downward then bent and ber 12, 1903. extending longitudinally of the bed, and links,

attached to the end rails of the bed-bottom, FRANLIS KARE and intervening springs in the longitudinal In presence ofconstruction of said supports, substantially as I. J. CILLEY,

and for the purpose set forth. 1 O. V. OILLEY.