US85310A - Improvement in but-hinges - Google Patents

Description

55mm @that @fthe JHN W. JORDAN, OF LEXINGTON, VIRGINIA.

' Letters-@atmet No. 85,310, dated December 29, 1868.

IMPROVEMENT IN Bur-HINGES. Y

The Schedule referred to in these Letters Patent and making part of the same.

.To all whom tt may concern v Beit knownthat I, J O'HN W. JORDAN, of Lexington, in the county of Rockbridge, and State of Virginia, have invented a new and improved Hinge; and I do hereby Y declare that the following is a full,l clear, and'v exact. de-

scription thereof, referencev being had tothe accompanylflingl drawings, making a part of this specicatiornin W 1c Figure, 1 is a View of the lower portion of a door and door-frame, showing the condition of the hinge and door when shut. 'l Figure 2 is a similar view ofthe same parts, show-- ing the door fully open.

Figures 3, '4, .5, 'and 6 are enlarged views of the im-- proved hinge, showing its construction. Similar letters of referenceindicate corresponding parts in the several figures. This invention relates: to an improvement on hinges, l:which are so constructed as to cause a door, shutter, or

gate hung by them to receive vertical movements inl the act of opening and shutting the same.

The nature of my inventionconsists in connecting the leaves of a hinge together by means of a twisted or hehcal pintle orscrew, which is iiXed to the eye of one of the leaves of the hinge, and so applied to the eye of the opposite l'eal as to cause the4 leaf which isv free to swing to rise' and fall inthe act of moving it' about its axis, as will be hereinafter' explained.

To enable others skilled in the-art-to understand my invention, I will describe its construction andoperaf tion.

In the accompanying drawings, A and B represent the two leaves of the improved hinge.

The leaf A isconstructed with two eyes, a, c, upon its'hinging edge, through which holes are made longitudinally, of a diameter' slightly greater than the diameter ofthe twisted pintle O.v

`If desirable, the passage through these eyes a c may l be made a counterpart'of thel twisted pintle, as shown in iig. 6,'so that this pintle can be screwed into the eyes vand held as fast by riveting its ends,'as shown at c c.

I prefer to have plain,-circular holes through the eyes a, afs-above stated, for the reason that they can be .more readily formed in casting or otherwise producing pose described.`

the hinge are connected by this pintle, andthe latter riveted, or otherwise secured, to the eyes of the leaf A,

lso asnot to move in them, a strong joint will'beformed Abetween the leaves.

The leaves A and B may be cast of malleable iron,

and the' screw-passage through eye b produced by co1'- ing, andthe pintle G may be made of wrought-iron, by

taking a strip of this metal of properA length, thickness, and width,and twisting it after the manner of producing auger-stems. y

, If the leaves A and B are made of wrought-iron, thel screw-passage or counterpart of pintle C may be made through the eye b, by means of suitable grooving-bits receiving an advance and retrograde movement at the same time they are rotated.

In figs. l and 2, I have represented one useful application of my improved hinge. l

Fig. l represents a door closed, and shows the bottom edge close'to the sill-strip E. Fig. 2 shows the door when open, with its bottom edge raised suciently to clear the carpet, which latter is represented in red.

This improved hinge thus causes a door to rise bodily in the act of lopening it, so as to clear a carpet upon the door; and when such door is closed, it will t snugly upon the sill-piece, so as to keep out dust and air. The weight of an open door, thus hung, will also operate to close and keep it closed; and by inverting the hinges and applying them to shutters, the weight of the .shutters will operate to keep them open when opened.

I am aware that hinges operating upon the genek principle'herein described are not new, and therefore What I claim as new, and desire to secure by Letters Patent, is-

Fitting the eye-bracket b of the hinge-leaf B, upon the helical or screw-pintle C, between theeye-brackets a a of the leaf A, so that the eye-bracket of leaf ,B is free to traverse up and down upon the pintle, between the eye-brackets a a, substantially as and for the pur- JNO. W. JORDAN.-

Witnesses: v

E. I. LEY-Bunn, T. B. PLUNKETT,

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