US333363A - Spring-bed - Google Patents

Description

' UNITED STATES PATENT FFICE LUTHER JOHN VAN DELINDER AND AMASA WILLIAMS NASH, OF GARFIELD,

IOWA.

SPRING-BED.

SPECIFICATION forming part of Letters Patent No. 333,363, dated December 29, 1885.

Application filed March 29, 1884. Serial No. 126,021. (No model.)

To all whom it may concern.-

Be it known that we, LUTHER JOHN VAN DELINDER and AMASA WILLIAMS NASH,bOtl1 of Garfield, in the county of Jones and State of Iowa, have invented a new and Improved Spring-Bed, of which the following is a full, clear, and exact description.

The object of this invention is to improve the construction of spring-beds; and it consists in the construction and combination of parts, as will be hereinafter fully described and claimed.

Reference is to be had to the accompanying drawings, forming part of this specification, 1 in which similar letters of reference indicate corresponding parts in all the figures.

Figure 1 is a plan view of our improved bed, parts being broken away. Fig. 2 is a side view of the same, parts being broken away and in section. Fig. 3 is a view of two springs connected or formed of a continuous piece of wire.

A A A indicate three longitudinal bars, upon which are secured transverse slats B for about two-thirds the length of the bars A, which slats will vary in number according to the size of the bed. Three (more or less) trans verse slats, B, are secured together by short bars A, to form a head-rest frame 0, which bars A are above and rest upon the bars A when the head-rest frame is lowered. A transverse rod, D, passes through the inner ends of the bars A, and has its ends held to the outer bars A by long staples E, as shown, but slotted plates attached to the bars A will be preferred in practice, by which arrangement the inner end of the head rest frame 0 can have a longitudinal movement upon the bars A, the ends of the rod D en-. gaging with the staples or guides E, to hold the head-rest frame from tilting. Braces F are pivoted to the bars A about midway of the same, and extend to and are pivoted to the bars A near their ends. Across the bars A, outside of the braces F, a transverse bar, B, is secured. Upon the middle bar A, beneath the head-rest frame, a ratchet, G, is secured, having its teeth inclined toward the outer end of said bar A,and a pawl, H, adapted to engage the teeth of the ratchet G, extends to and is pivoted by its forked arms 9 to the the form of an inverted pyramid-that is, the

wire forming the said springs is bent rectangularly and downwardly, instead of being curved spirally and downwardly, as in the common bed-springand these springs may be made singly or in pairs of one piece of wire. By this form of spring the sides and ends of the bed can be made square with the upper surface of the same. The upper wires of the springs are in closer proximity and are better adapted to sustain evenly any weight placed upon them.

Light barsJ J and K K are secured to and longitudinally and transversely of the bed and head-rest frames. Strips L, of webbing or other material, are placed upon the springs I longitudinally and transversely of the bed and head-rest frames, which strips L extend and are secured to the strips J J and K K. The strips L interlace with each other, and by this arrangement there are two thicknesses of material above each spring. The springs are secured to the webbing strips of canvas or other fabric and at four points by cords ll crossing each other and the springs, as shown in dotted lines in Fig. 1. A cord, M, is attached to the pawl H near its free end, which cord passes through a guide-hole in the middle bar A, thence to the side of the head-rest frame.

When the outer end of the head-rest frame is raised, the pawl H engages by its own gravity with the rack G. The rod D slides backward in the staples or plates E as the said frame swings upward and backward upon thebraces F, and the head-rest always assumes a level position transversely, as there is but one ratchet at the center of the frame, and the inward thrust of the braces F with the tension on the webbing L insures the hold of the pawl H upon the ratchet G.

To lower the head-rest it is only needful to pull upon the cord M, which disengages the pawl from the ratchet, leaving the head-rest free to be lowered.

We are aware that it is not broadly new to support a head-rest frame by means of pivoted side braces, to hold a head-rest frame in a raised position by pawls and ratchets, nor to provide trip devices for such pawls; but our construction and arrangement of a headrest frame, as herein described, differs materially from similar devices in placing the longitudinal bars of the head-rest frame in line with. and to have bearing on, the corresponding bars of the main frame, by which disposition of the bars less strain is thrown on the be easily manipulated by a single attendant and will automatically take a level position.

The bed is simple and strong in construction, neat in appearance, and has few parts to get out of order.

Having thus described our invention, what we claim as new, and desire to secure by Let ters Patent, is

In a spring-bed, the combination, with the main frame A B, provided with guides E, the head-rest frame A B, having its longitudinal bars in line with and their lower ends resting on the longitudinal bars of the main frame, the rod D,connecting the lower ends of all the said bars of the head-rest frame, and having its ends extending into the guides E, and with the braces F, of the centrally-arranged rack G and pawl H, said pawl H being pivoted on the rod D, and of the trip-cord M, substantially as shown and described.

LUTHER JOHN VAN DELINDER. AMASA WILLIAMS NASH. WVitnesses:

CHAS. H. HAIGHT, GEO. F. CROUCH.

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