US319068A

US319068A - Sight for fire-arms

Info

Publication number: US319068A
Authority: US
Publication date: 1885-06-02
Anticipated expiration: 1902-06-02

Description

(No Model.)

H. F. CLARK.

SIGHT FOR FIREARMS.

No. 319,068. Patented June 2, 1885.

and a cross-section of the barrel.

UNITED STATES PATENT OFFICE.

HENRY F. CLARK, or POUGHKEEPSIE, NEW YORK.

SIGHT FOR FIRE-ARMS.

SPECIFICATION forming part of Letters Patent No.,319,068, dated June 2, 1885.

Application filed September 1, 1884. (No model.)

To all whom it may concern.-

Be it known that I, HENRY F. CLARK, of Poughkeepsie, in the county of Dutchess and State of New York, have invented an Improvement in Sights for Fire-Arms, of which the following is a specification.

Sights for fire-arms are usually hinged so as to be swung up or down. They are complicated and expensive, and are liable to be come bent and misplaced.

My present invention is for rendering the adjustable sight more strong and reliable, and for lessening the expense and for insuring greater accuracy of aim.

In the drawings, Figure 1 is a side view of the sight as applied to the rear end of the barrel. Fig. 2 is an elevation of the sight a similar view with the wind-gage stock in section. Fig. 4. is a similar view with the sight in a simple form, and Fig. 5 is a sectional plan View horizontally lthrough the barrel.

The barrel is of any ordinary character. The rear end is shown at A. The breechblock or housing that supports the rear end of the barrel is made in any usual manner. The forward portion thereof is shown at B.

The sight is provided with two legs, d, that pass vertically into slides provided for them at the sides of the barrel or housing, but preferably between the barrel and housing, as shown, so that the rear surfaces of the legs (1 are against the forward end of the housing 13, and the forward surfacesof the legs d are against the rear surfaces of the guide-blocks e upon the sides of the gun-barrel. These legs for the sight'can be drawn or moved up or down to elevate or depress the sight 7;, that extends across over the barrel. There are graduations and a pointer upon the housing and leg, respective] y, to indicate the elevation necessary for the different ranges, as shown in Fig. 1.

The spring 12, attached to the under side of the barrel, applies friction to the inner surfaces of the legs d to hold them and the sight in any position to which the parts may be moved; or the legs d may be of tempered steel and sprung into place, the friction of the parts being sufficient to keep the sight in position.

For ordinary rifles and guns the form of sightrepresented in Fig. 5 alone will be required, the same being composed of only Fig. 8 isone piece and a friction-spring; but for target-practice it is important not only to adjust the sight vertically, but also laterally, to allow for deflection by the action of the wind. To provide for this I place the notch or sight-hole in an adjustable stock, 0, that forms a nut around the transverse adjustingscrew 19, which nut and screw are within a cylinder, 1*, across the top of the sight-frame, which cylinder r is slotted for the passage of the sight-plate, and there is a milled head, v8, for the screw, by which it may be revolved to adjust the sight laterally, according to the action of the wind upon the bullet. There are to be divisions upon the surface of the cylinder r, by which the extent of the lateral adjustment may be indicated, as seen in Fig. 2.

I am aware that in sights for firearms a single adj ustablc slide carrying a sight-piece over the barrel has been made use of; and I am also aware that a lateral adjustable sightpiece or wind-gage has been employed.

I claim as my invention 1. A sight for fire-arms, having two downward extensions forming legs for supporting such sight, in combination with slides ,upon the sides of the barrel or housing into which the legs pass, there being divisions and a pointer upon the slides and leg, respectively, substantially as specified.

2. A sight for fire arms, having downward extensions forming legs for supporting such sight, in combination with slides upon the sides of the barrel or housing, into which the legs pass, and a spring, a, for applying friction to the legs, there being divisions and a pointer upon the slides and legs, respectively, substantially as specified.

3. A sight for fire arms, having downward extensions forming legs for supporting such sight, in combination with slides upon the sides of the barrel or housing, into which the legs pass, the cylinder r, extending across the top portion between the legs, the screw within such cylinder, and a head at the end of the same, and the sight-piece projecting above the cylinder and having a stock within the cylinder forming a nut for the screw, substantially as specified.

Signed by me this 29th day of August, A. D. 1884. v

H. F. CLARK.

Witnesses:

GEO. T. PINcKNEY, CHAS. H. SMITH.