US2079266A

US2079266A - Gun sight

Info

Publication number: US2079266A
Application number: US64832A
Authority: US
Inventors: Vaver Harriet
Original assignee: BENJAMIN A TETZLAFF
Current assignee: BENJAMIN A TETZLAFF
Priority date: 1936-02-20
Filing date: 1936-02-20
Publication date: 1937-05-04
Anticipated expiration: 1954-05-04

Description

Patented May 4, 1937 UNITED STATEGS PATENT OFFICE GUN SIGHT Walter Vaver, Cicero, Ill., assignor of one-half to Benjamin A. Tetzlaff, Riverside, Ill.; Harriet Vaver administratrix of Walter Vavcr, de-

ceased Application February 20. 1936, Serial N6. 64,832

.3 Claims. (CI. 33-47) vide .improved means for adapting the use of standard front sights to telescope height rear sights; such means being quickly removable to afford use of telescope sight.

An improved feature of this invention is found in the provision of a novel quickly attachable and detachable band and locator by the use of which thefront sight may be mounted in proper aligned and elevated position for use with a telescope-height rear sight and which band and locator may be used on a rifle equipped with a front sight dove-tailed groove disposed transversely to the longitudinal axis of the barrel; such band having adjustable means for locking or securing it into proper aligned position controlled by the locator therefor.

With the above and other objects in view, my invention consists in the novel combination and construction of the parts and members shown in preferred embodiment in the attached draw-- ing, described in the following specification and particularly pointed out in the appended claims. In the drawing attached hereto and forming a part hereof:

Fig. 1 is a diagrammatic illustration of a side elevation of a rifle equipped with my improved adaptor block and telescope-height front and rear sights, a telescope sight being shown in dash lines; v

Fig. 2 is a side elevation of a front sight mounted telescope-height on my improved adaptor block which is positioned on the barrel ramp;

Fig. 3 is a perspective view of the improved adaptor block;

Fig. 4 is a side elevation of my improved front sight retaining barrel band showing the improved adaptor block and front sight mounted thereon;

Fig. 5 is a vertical section taken on line 5-5 of Fig. 4.

Fig. 6 is a perspective view of the barrel band retaining locator. and

Fig. 7 is an end view of the combination shown in Fi 4.

Fig. 8 shows aside view of the end of a large rifle barrel equipped with my improved telescopeheight barrel band having an upper raised in-' tegral portion 'adapted to receive a standard front sight for telescope-height rear alignment which does not require the adaptor block shown in Fig. 3; v

In the illustrations, l indicates a rifle having a barrel H which is provided with a rear sight l2 of telescope-height as clearly shown in Fig. 1 wherein a telescope sight I3 is indicated in dash lines having a sighting axis l4 aligned with a front sight generally indicated by numeral [5.

An enlarged view of the front sight l shown in Fig. 1 is. shown in Fig. 2 wherein the rifle barrel H is provided with a ramp l6 having a dovetailed recess l1 adapted ,to receive the dove-tail portions IS and 19 of the adaptor block l8 preferably made of metal.

The upper face of the adaptor block I8 is also provided'with a dove-tailed recess 20 which is adapted to receive and frictionally retain the dove-tailed base 2| of the cylindrical front sight 22. While I have preferred to illustrate my invention with a barrel or cylindrical type of front sight such as shown in Figs. 2 and 4, any other standard or suitable type of front sight may obviously be used.

Obviously, a detachable front sight such as shown in Figs. 2 and.4 may be mounted directly on the ramp I6 but to provide simple and quickly attachable and detachable means for elevating a front sight to telescope-height for use with telescope-height rear sight or with sights which are movable-to telescope-height, I provide the novel adaptor block la.

'The adaptor block I8 is preferably made from a single piece of steel and, as shown, of general rectangular shape having a pair of opposite sides, as the top and bottom, formed respectively with a dove-tail recess 20 and dove-tail portions IS and I9 The block [8 might obviously be made without the vertical recess 23 which divides the dove-tailed base into the two portions IS and I9 so that the dove-tailed base would resemble the dove-tailed portion of the front sight, but to provide means for more securely mounting the adaptor block i8 on ramp IS, the adaptor block is split partially by the vertical recess 23 the upper end of which is drilled to provide a cylindrical cross-channel iii) and one end of the block I8 is provided with a horizontal cross reoess-M extending partly into the body of the r block toward and to a spaced distance from the cylindrical cross-channel 23 andthe oppositeend of the block is drilled and threaded to receive a horizontally disposed securing member such as the screw 25.

It will now be readily apparent that when the adaptor block 18 is slidably inserted with its dove-tailed portions l9 and l9 into the dovetail ramp recess 1 1, a tightening movement of the screw 25 will force its inner end to press against an inner face of the recessed block portion I 8 to cause a slight spreading apart of the dove-tail portions I 9 and 19 to thereby securely lock the adaptor block in the ramp recess II. This spreading of the portions I9 and l9 is facilitated by the horizontal cross recess 24.

Another feature of my novel adaptor block l8 resides in the provision of a locator which, as herein shown, consists of a screw 26 having a head 26*, a portion of the inner face of which is adapted to engage the side face of the ramp IE to control and limit the inward sliding insertion of the dove-tailed adaptor block into proper aligned position on the ramp. Obviously, the dove-tailed base of the adaptor block could be formed with an integral portion to extend below the portion I 9 to thus form a locator but I prefer to use the screw 26.

In rifles which are not provided with the dovetailed ramp l6 such as shown in Fig. 2, such rifles may be adapted to the use of my improved adaptor block and front sight by my improved barrel band 21 as shown in Figs. 4, 5, 6 and '7.

The barrel band 21 is readily attachable to the end of a rifle barrel and consists of a substantially cylindrical body split at its lower side and provided with spaced integral ears 28 one of which is threaded to receive a tightening member such as screw 29 having a head 25! the tightening movement or. i h willfil wi es e 2Utoward one another to se ng clamp the band 21 onto the rifle barrel.

The upper side of the band body is formed with a raised integral portion 3| to provide for a dovetailed cross-recess 30 which is adapted to receive and frictionally retain the front sight, (or the adaptor block l8 therebetween, when required). for telescope-height mounting of such front sight.

For proper aligned positioning of the barrel band 21 on the rifle barrel l l, I provide a locator 32 which is illustrated in Fig. 6 and also shown in Figs. 4 and 5.

The locator 32 consists of a metallic body formed with angularly disposed opposite ends 33 adapted to interfit within a dove-tailed cross groove 34 on the rifle barrel H.

The locator 32 is formed also with a longitudinal integral upstanding rib 35 which is adapted to be received within the longitudinally extending recess 36 within the band portion 3| and for practical purposes the locator is mounted in the rifle barrel dove-tailed recess or groove 34 with a driving fit.

From the above description and attached drawing it will be noted that I have provided a novel adaptor block and barrel band which adapt rifles to the use of front sights with standard height or telescope-height rear sights, and which accessories permit quick and easy detachment of same to afford use of telescope sight if so desired.

I claim:

1. An adaptor for firearm front sights adapted to be mounted on the firearm barrel and including a tubular body, said tubular body being split on its lower side andhaving a pair of spaced integral ears, means for drawing said ears toward one another to clampingly secure the body to the firearm barrel, a groove in the top of the firearm barrel disposed transversely to the longitudinal axis of the barrel bore, and a locator held integral portion extending above said longitudinal channel with a transverse channel within the upper face thereof adapted to receive sighting means.

2. The combination with a firearm barrel having a removably mounted front sight supporting member, of locating means for said member comprising a locator having a dovetail base adapted to be frictionally inserted in a correspondingly shaped groove which is disposed in the barrel transversely to the longitudinal axis of the barrel, said locator having a rib adapted to be aligned with the longitudinal axis of the rifle bore to properly locate said member to thereby afiord parallel alignment of the sight axis with that of the rifle bore, and a front sight detachably mounted on said member in-sightingmlignmentnniths a telescope-height rear sight.

3. In a firearm front sight, an adaptor removably mounted on the firearm barrel and including a tubular member adapted to be frictionally supported on the firearm barrel, a locator for said member having a base portion adapted for frictional insertion in a groove disposed on and transversely of the firearm barrel, said locator having a rib thereon in alignment with the longitudinal axis of the barrel bore and with a vertical line intersecting the centers of the barrel bore and the firearm front and rear sights, said member having a recess adapted to embrace therein said rib and a second recess extending transversely to said first-mentioned recess, and a front sight adapted to be frictionally mounted in said second recess.

WALTER VAVER.