US175307A - Improvement - Google Patents

Description

L. L. TREMAN.

UMBRELLA.

N.1'75,307. Patented umh 28,1876.

l Y lllllllllllll lllll* l lllllllllllllllllllfd Mm, PHDTD-IJTHOGRAPHER. WASHINGTON. D C

. LAFAYETTELEEEMAN, 0E minnen, NEW YORK.

f Specification forming part ofv Letters, Batent No. 175,307, dated March 28, 1876 application filed January 17, 1876.

To all whom it maygeoneem Be it known that I, LAFAYETTE L. TRE- MAN, of Ithaca, Tompkins county, New York, have invented a new and useful Improvement or Fixturefor Umbrellas, which improvement I have set forth in the following specication, reference being had to the accompanying drawings.,

My invention relates to the construction of the frames of umbrellas, and the nature ot my invention will be apparent as I describe it.

Figure l is an elevation of my umbrella, showing, in part, the handle or staff, the stretchers or braces, the spreaders or bows, the

notch or top piece, and the ruimer orhand-,

slide, which have my improved hinge aflixed to them. Fig. 2 is a side elevation of my top piece, showing the manner of making the holes for the circular hooks of the bows and braces. Fig. 3 is designed to show amodilication of my top piece, and Fig. 4 shows the runner Without the braces.

In Fig. 1, a is the handle or staff, `and b is the top notch, and c c are two of the spreaders or bows, bent to a semicircular hook at their top c', where they pass through apertures in the projection, partition, or septum c,- aiid d is the runner or hand-slide, with a like arrangement about the septum on its top d', through which the hook of the brace or stretcher e passes. At f is a curved piece of metal, joined by solder to the light steel spreader or bow c, to which the brace is fastened by a pivot.

My peculiar hinge will be particularly described. The apertures c, Fig. 2, are seen to be circular and cut away in part to their middle, and are made preferably as follows A blank is cast, or otherwise made, and holes 0 are drilled equally apart in the circumferenceof the blank, through to the hollow just within the septum. (See Fig. 1.) Next, the base ot' the blank is cut, preferably, (see Fig. 4,) so as to leave the septum d' of that figure and the tube d", care beiiighad to cut to the center of the holes c' of the various figures. This leaves the top piece or ruimer as seen in the figures. And it is apparent that, when the umbrella is expanded, the straight part of the bows and ot' the braces, next to the curve of the hooks of the tops of `the boivsiandl bottom, ofntheflbraces lie. in the cavity thus left of that part of the holes outside ot' the septuins c" and d', and that thus the bows or spreaders and the braces or stretchers are stifiiy held when the umbrella is expanded.

The object of that part of the runner called the tube d is to afford the hooks a bearing on this tubular part and not on the handle, for the purpose of preventing the defacing of the handle by these ends of the hooks, and to afford a rmer joint when the same tubular part is made to the top piece b.

Numerous equivalents to my device suggest themselves. It will be seen that, in Figs. 1 and 2, the septum o" is a ring suspended from the piece b, above which is anothei1 riiig-also part of the piece b-which has the bracing c, which I have described. And the bracing may be made by cutting slots through the ring, above the septum, of a width equal to the bows or stretchers, in the direction indicated by the arrow in Fig. 3. This gives a less support to the bows or stretcliers, yet does not destroy the stiffening ot' the frame in the manner I have described. And, that l may show how very flexible is the arrangement of these parts-viz., the septum ring and the `brace-ring, as well as the tubular part d of Figs 1 and 4 1 have, in Fig. 3, changed considerably the situation and proportions of these various parts. The tube d is iiiade longer and thicker than in Fig. 1, and, by a pin through it, holds the top piece to the sta' a, and the holes c are drilled as shown by the arrow h, but the septum is not cut out by turning, but has simple drill-holes made, as seen by the arrow i, and in section at and to complete the change a saw-cut is made, as indicated by the arrow j, and seen in section atj. Yet it is evident that .these changes leave the component parts of my inventionviz: the septum ring-adapted to hold a stretcher or bow, with a seiiiicircular hook on its end iii it, and with a bracing against a part of the top piece on the sides ot' the straight part of the bow or stretcher, just outside of the hook. So of other modifications l might describe.

It is not necessary to describe methods ot' stamping, spinning, or by dies making my improved top picco and ruimer. or the joints ot' these, either wholly or in part, as these methods are well understood. Be the process of construction what it may, itis the special construction and combination ot'liooked bows or spreaders and stretchers, and the apertures through the septum or projection, as shown, which apertures, arches, spaces, or similar portions act as bracing spaces or inortises, that constitutes my invention. The further uses and advantages ot' my invention are apparent to those skilled in the art to which it appertains.

I claim- 1. The rings, septums, or projecting circles c and d', made as part of the top piece and slide piece, parallel to the handle of the um-

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