US477187A - Indicating device for guns - Google Patents

Description

(No Model.) 7 '2 SheetsSheet 1. H. ELBE. INDIOATING DEVICE FOR GUNS.

Patented Jun 14 1892.

afizoruey (No Model.) 2 Sheets--Sheet 2;

H. ELBE. INDIOATING DEVICE FOR GUNS.

No. 477,187. Patented June 14, 1892.

Vii/wakes far.- Eenr y .5262

.jjiiforney.

UNITED STATES PATENT. OFFICE.

ELBE, OF NIAGARA FALLS, NEW YORK, ASSIGNOR OF OIIE-I'I'ALF 'lO FRANCIS E. GRICE; OF, VASIIING'ION, DISTRICT .OF COLUMBIA.

INDICATING DEVICE FOR GUNS.

SPECIFICATION forming part of Letters Patent NO. 477,187, dated June 14, 189% Application filed September 24, 1890. Serial No. 385.970. (No modehl To all whom it may concern.-

Be it known that I, HENRY ELBE, a citizen of the United States, residing at Niagara Falls, in the county of Niagara and State of to produce a device to indicate when a gun or cannon has been raised or depressed to the -.proper angle it is desired to fire the shot.

To overcome these difii'culties is the object of my invention, and to produce a self-adjusting gun-sight by which when the proper degree of elevation of the gun has been ascertained and determined and when once trained to the required angle a successive number of projectiles can be thrown to the point of destination; also, to accomplish this at night or when the object to be fired at is not visible. Al'lOiShGl' object is to dispense withthe ordinary sight now in use on guns, and when the instrument is once properly attabbed and adjusted to a gun that the projectiles can be thrown at night as well as (lay-time at a fort or vessel, and so that a channel can be covered at all times to prevent an enemy entering it; furthermore, to facilitate the firing of the projectile so that any ordinary man or seaman can attend to the firing of the guns without the necessity of skilled and trained gunners, and, finally to produce an instrument that is very simple in construction, not liable to get out of order, and can be produced at a very reasonable cost.

' The invention consists in the construction of certain details and combination of parts, as will be more fully described hereinafter, and specifically pointed out in the claims, reforence'bcing had to the accompanying draw- .ings and the letters of reference thereon.

Like letters indicate similar parts in the figures of the drawings, in which-- Figure 1 is a side elevation 'of the instrument or gun-sight with the cover removed.

Fig, 2 is a vertical section on line mm of 1. Fig. 3 is a top or plan view of Fig. 1. Fig. 4 is a side and elevation of a' modification for rifles, muskets,&c. Fig. .5 is a side elevat on of a gun with casemate-scction and having the instrument attached to the trunnion of the gun.

In the drawings, A, represents a cas ng of any suitable size and material, which 18 first secured by a bolt passing through the-hole a to the trunnion or other suitable part of a gun and then adjusted by a set-screw passing through the slot a. The cover'B of/ the casing is attached to it after the internal mechanism has been introduced by countersunk screws 1). A pendulum 0, consisting of a rod having a hub c, is pivoted on knifeedges in the back of the casing and the cover 13, and provided with a weight W, so as to hang perfectly perpendicular when in its normal position. At the upper end of said rod is arranged a segmental rack d, which meshes with a pinion e, sccured to a vertical shaft f, which has a center point hearing at its lower end and is supported in a lug g on the cover. This shaft passes through the top of the cover and has a pointer D secured on a square end thereof. To the upper end of the casing is secured the dial-plate E, upon which the degrees are marked toany desired extent. In the rear part of the casing two posts 71 are placed, by which the movements of the pendulum are limited.

The instrument is shown attached to a gun G, mounted to revolve on a pivot II and a step I. It is arranged in a turret K and shield L of the latest construction. secured to the end of the trunnion, and the dial-plate E and pointer D are arranged-to indicate the degrees of inclination required.

In the modification shown in Fig. 4 an adjustable gun-sight is represented for rifles, muskets, and other portable firearms. It can be secured to the stock or other suitable place of the firearm, as desired. In this case the pointer E is secured inside of the casing to the verticalshaft and projectsthrough the sides of the casing. I The operation is as follows: The device boing attached in place on the gun with the pendulum hanging perfectly perpendicular The casing A is.

and at right angles to the horizontal center of theguns, then as the gun is elevated at the mouth the pendulum will move the pointer to one of the divisions on the dial-plate E, and

said gun must then be elevated or depressed nngl the pointer comes opposite the line indlcatmg the angle it is desired to ohtaimjvh'en 1t can be fired.

' Themany advantages of this instrument for its simplicity, accuracy'; certainty of act on, and durability will be readily appremated by those skilled in the art. It is also well adapted for guns fired by electricity and for other purposes.

Having thus described my invention, what 1. The combination of the shell A,'conta,in-'

mg the spindleC', providedwith a weight W.

and pivoted on knife-edges, said spindle having the segment r7 1neshing with a pinion e,

presence of 'two witnesses.

HENRY 'Etmzj V v -mo.unted,on an auxiliary spindle f, and carrying.the' pointer D on the.outer face of a dial-plate E, having the graduationsot a'cir cle on it, all as shown and specified.

;2-. The combination of the adjustable shell A, provided with the pivoted weight W, op- I crating by the segment (Z, and thepinion e on gun, and thus indicating the proper'angle for firing the gun, all constructed and arranged as shown, and for the purpose setforth.

the silindlef, carrying the pointer-D and indieating the degreeson the dial-plate E, secured 'to the trunnion or other suitahle'part of the 30 I In testimony whereof I affix my signature in \Vitnesses: I

C. L. BRAGDON, Jr. N

S113. .M URRAY.

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