US296734A - Wallace it - Google Patents

Description

(N0 Mdem W H DODGE i GORNIG'E. No. 296.734. Patented Apr. 15;1884.

l inventor AtLQrney.

Unirse Sterns Arena* trice.

- W'ALLACE H. DODGE, OF MISHAVAKA, INDIANA.

CORNICE.

SPECIFICATION forming part of Letters Patent No. 296,734, dated April l5, 1884.

Application filed April 16, 1853.

(No model i To @ZZ when@ t may concern:

Be it known that I, WALLACE H. Denon, of Mishawaka, St. Joseph county, in the State of Indiana, have invented anew and useful Improvement in Extensible Cornices for XVindows or other Purposes; and I do hereby de- Clare that the following is a full and accurate description of the same.

, An extensible cornice for a window is essentially composed of three parts-the ornamentall center piece and two wing or end pieces, which are made separate from the centerpiece,

and made to slide behind it, so as to presenta.

wing-pieces, and into a nut set in the center piece. Various forms of guides have been employed to keep the parts in line. Then the Wingpieces are extended to their ntm ost, there is usually a space of twelve inches between their ends, where the clamping-piece is un` supported, and the clamping screw passes through the center of this space. It therefore happens that the pressure oi' said screw bends the clamping-strip,and the wing-pieces are not firmly clamped. The first part of my invention rectiies this defect by providing a long metallic washer or plate to be placed outside the clampingpiece, and constructed to prevent any center sag of said strip, to attain a firm clamp of the wing-pieces at any point of adjustment. The corniceis always mounted upon the window-frame, about eight inches in front of the same, upon hooks inserted in the head oi' the window-'frame for the purpose, and to secure a properly-finished appearance a return-piece is attached at each end of the cornice, extending therefrom back to the wall. In packing these cornices for transportation, these return-pieces increase by three or four fold the space which would otherwise be required, and correspondingly increase the cost of packing and transportation.

I am aware that a cornice has been made with a removable return-piece attached by means of a slip-j oint and secured by means of a wedge. I therefore do not claim a removable return-piece, but only the method and device whereby I make it removable, but positively secure it in position when attached to the wing.

Having now set forth the nature of my improvement, I will more particularly describe it, having reference to the accompany ing drawings, wherein- Figure l is a perspective of the back of my cornice. Fig. 2 is a transverse section oi' the saine. Figs. 3 and fl represent the corneriron.

A is the center-piece, and B B are the wing or end pieces, fitted to slide between the center-piece, so as to admit of a lateral extension to a variable distance, to make the cornice iit properly' windows of diiierent widths.

l Along the back of the center-piece A, but not extending to the ends thereof, I make a longitudinal groove, c, and near the end of each wing-piece B, I provide a suitable proj ecting stud or block, l), adapted to slide in said groove. This serves as a guide for the inner ends of the wing-piece B, to keep itin proper position as to the centerpiece A; but it also serves as a stop to limit the outward extension of the wing. The dowels g g, which project backward from the front piece, A, cooperate with the slides b to guide and keep said front piece and the wings B B properly in line.

`Along the back of the wing I place a longitudinal rib, d, and in the clamp-piece 13,1 make a corresponding groove, f, so that when the parts A B B E are attached together and secured. by the clamping-bolt G they may be all held in proper line and be capable of adjustment as to each other in a longitudinal direction, so as to secure the extension required to fit any given window.

As before stated, the parts are ordinarily made to provide'for variations of length up to twelve inches, and therefore when fully extended there is a space of twelve inches between the inner ends of the strips B B, and over this space the strip E has no support, and pressure of the clamping-bolt will cause said strip to sag or bend inward, so that its pressure upon the ring-pieces will only be at their extreme inner ends, instead of being at the exttreme outer ends of the clamping-piece E. To

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obviate the disadvantage of this insecure l together and the screw p is inserted at the clamp, I propose to employ a metallic plate, H, over the clamping-piece E, and make the same sufficiently long to extend over the interval between the ends of the wing-pieces B B. The under side of the plate H will also be made slightly concave, so that the clamping pressure upon and through the ends of the strip E will always be fiat upon the surface of the wing B, and be distributedlov er a considerable area.

` rIhe parts will thereby be firmly clamped and held.

At the end of each ring-piece B B there is .a return-piece, I, which, for reasons before eX- plained, I wish to make detachable from the wing. I therefore provide an angle-plate, k, of east-iron, with holes m m in one end for screws, whereby it may be permanently attached to the return-piece. In the other end of said plate there is a keyhole-shaped orifice, a, the larger end of which is capable of admitting the head ofthe screw p, and the smaller end is slightly countersunk to fit the head of said screw. The wing B is rabbeted transversely across the endat the back, as at g, to furnish a square guide-shoulder for the end of `the return-piece, and the action of the keyhole n and screw p, in engagement, will draw said return-,piece n'rmly against said shoulder, and thereby not only hold it more firmly than heretofore, but also more truly square with the wing. Before shipment these parts are placed proper point. W'hen being screwed home, the countersunl: part of the hole a causes the plate 7s to be positively locked and held in place, while a partial revolution of said screw will release it, so that the return-piece and its plate 7c can be removed.

Having thus described my invention, what I claim as new is- Y 1. The center-piece A, wings B B, clampingpiece E, and screw G, combined with the plate H, substantially as and for thelpurposes set forth.

2'. The center-piece A, provided with the groove a, the wingsB B, provided with piece b and ribs d, combined with clamping-piece E, provided with groove f, the plate H, as described, and the bolt G, substantially as set forth.

3. The wingpiece B, provided with rabbet q, and the detached return-piece I, combined with the angle-plate 7c, provided at one end with means for permanent attachment with said'return-piece, and at the other end with the slot n, adapted to slip over and t the screws p and hold said return-piece againstthe shoulder of said rabbet, as set forth.

WALLACE H. DODG.

In presence of R. D. O. SMITH, J C. TURNER.

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