US1256987A - Gun-sight. - Google Patents

Gun-sight. Download PDF

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Publication number
US1256987A
US1256987A US13514616A US13514616A US1256987A US 1256987 A US1256987 A US 1256987A US 13514616 A US13514616 A US 13514616A US 13514616 A US13514616 A US 13514616A US 1256987 A US1256987 A US 1256987A
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Prior art keywords
sight
gun
tube
opening
diaphragm
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Expired - Lifetime
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US13514616A
Inventor
James A Dittemore
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James A Dittemore
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Priority to US13514616A priority Critical patent/US1256987A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41GWEAPON SIGHTS; AIMING
    • F41G1/00Sighting devices
    • F41G1/32Night sights, e.g. luminescent
    • F41G1/34Night sights, e.g. luminescent combined with light source, e.g. spot light
    • F41G1/345Night sights, e.g. luminescent combined with light source, e.g. spot light for illuminating the sights

Description

- J. A. DITTEMORL GUN SIGHT.
APPLICATION FILED DEC-5| I915-- F 1,256,987.- Patented Feb. 19, 1918.
J5. lzitiemore JAMES A. DITTEMORE, OF ST. JOSEPH, MISSOURI.
GUN-SIGHT.
Specification of Letters Patent.
Patented Feb. 19, 1918.
Application filed December 5, 1916. Serial No. 135,146.
To all whom it may concern:
Be it known that I, J AMES A. Drr'rmronn, a citizen of the United States, residing at St. Joseph, in the county of Buchanan, State of Missouri, have invented certain new and useful Improvements in Gun-Sights; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to gun sights.
The object of the invention is to provide a gun sight, which, in principle may be used upon guns of large or small caliber, and which permits the covering of the target without losing the vision of the entire target.
A further objectof the invention is to provide a gun sight which may be used with equal facility either in daylight or darkness. To this end, I have constructed a sight which involves the use of both eyes in sighting the gun or rifle, and the alining of two intermediate points with the target within the vision of one eye.
\Vith the above objects in view and such others relating to the particular construe tion of the device as may hereinafter appear, my invention will now be fully set forth and described, reference being had to the accompanying drawings.
In the drawings Figure 1 is a longitudinal section through the sight,
Fig. 2 is a section on line 2-2 of Flg. 1,
Fig. 3 is a section on line 33 of Fig. 1, and
Fig. 4 is a. diagram illustrating the principle upon which my invention is based.
Referring more particularly to the drawings, 1 indicates a metal tube of suitable length and diameter which is mounted upon a rifle or gun barrel along the line of sight. The front end of the tube 1 is closed by an opaque diaphragm 2 so that the vision does not pass therethrough. A. comparatively short distance behind the opaque diaphragm 2 is mounted a second diaphragm 3 which thereby sub-divides a small chamber at at the front end of the tube 1. The diaphragm 3, as shown in Fig. 3, has formed in its upper portion, or on its edges, a sightopenmg 5, the sight opening 5 being in the line of sight of the gun. Alined with the opening 5 1s a sight opening 6 similarly formed in a diaphragm 7 which closes the rear end of the tube 1. As shown in Fig. 2, the opening 6 is of smaller diameter than the opening 5.
Mounted within the chamber 1 is a light source 8 which may be a small electric light, a phosphorescent or other luminous point, or any other radiant element which will faintly illuminate the opening 5 in the diaphragm 3. In order to cut down the luminosity, and also to provide a contrasting illuininated point, the opening 5 may be covered with a transparent diaphragm 9 of red or other suitably colored material. By this arrangement, when the sight is used in the daytime, the red or other contrasting light point may be readily distinguished from the sunlight.
The construction of the above described sight follows the principle, that, if the eyes are focused on a distant object, as, ain Fig. -1, and an object o is held in the line of vision between one eye and the object a, the object 5 apparently does not obstruct the vision, or, in other words, apparently one sees through the object I). Also, if a third object c is placed in the line of vision between 6 and a, there is likewise no apparent obstruction of the vision. Apparently, then the object a is seen through the objects I) and 0, and if with both eyes on the object a as a target, the objects I) and 0 are used as the sight elements on a gun, it is apparent that when the objects I) and c are alined between the target or object a and one eye, the gun must be directly trained upon the target. Substituting now, the opening 6 for the object b and the luminous opening 5 for the object 0, it is evident that when one eye is kept upon the target, and the other eye keeps in vision the red spot of light within the tube 1, and the gun is manipulated until the red spot centers upon the target, the gun will be sighted or trained upon the latter.
In this manner, a very accurate, and a dependable sight is provided for use either in the daytime or at night when it is only possible to outline the target. The illuminated opening 5 not only renders the sight visible but constitutes one of the sight elements, and obviously, the luminous point cannot be seen without alining the opening 6 with the eye. lVhen this is done, and the gun manipulated until the light centers upon the object to be fired at, the gun must thus, of necessity stand in sighted position.
What I claim as my invention is 1. A gun sight, comprising in combination, a tube having an illuminated chamber at its forward end, having a pair of diaphragms provided with openings on a line parallel to the axis of the tube, and means in the axis of the tube for 1llu1ninating the forward openin 2. A gun sight, comprising in combination, a tube having its forward end closed, a diaphragm at the rear end of the tube provided with a sight opening, an intermediate diaphragm transversely arranged in the tube and provided with an opening, said diaphragms being so arranged that a line joining the centers of said openings lies parallel to the axis of the tube, and means for illuminating the second opening.
3. A gun sight, comprising in combination, a tube having its forward end closed, a diaphragm at the rear end of the tube and having an opening formed therein, an inter mediate diaphragm transversely arranged to the tube and forming with the closed end thereof a light chamber, said intermediate diaphragm having an opening, said diaphragms being so arranged that a line joining the centers of said openings lies parallel to the axis of the tube, and a light source in the light chamber for illuminating the second opening.
i. A gun sight, comprising in combination, a tube having its forward end closed, a diaphragm at the rear end of the tube, an intermediate diaphragm near the front end of the tube, and forming an illuminating chamber With the closed end of the tube, said diaphragms having openings in a line parallel to the aXiS of the tube, and means for illuminating the opening in the intermediate diaphragm.
5. A gun sight, comprising in combination, a tube having a closed end, a diaphragm at the rear end of the tube, a for- Ward diaphragm forming an illuminating chamber with the closed end, said diaphragms having openings on a line parallel to the axis of the tube, the opening in the forward diaph agm being illuminated from the front of the latter.
In testimony whereof, I afiix my signature, in the presence of two witnesses.
JAMES A. DITTEMORE.
Witnesses:
J R. Lnr'rwlorr, J 0s. VEREsINSKI.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. O.
US13514616A 1916-12-05 1916-12-05 Gun-sight. Expired - Lifetime US1256987A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529057A (en) * 1948-02-11 1950-11-07 George J Teffault Illuminated gun sight
US2925657A (en) * 1956-08-27 1960-02-23 Walter H Stenby Sighting devices
US3190002A (en) * 1960-06-06 1965-06-22 Willis H Bliss Arrangement for aligning sights
US3190585A (en) * 1961-02-09 1965-06-22 Dornier Werke Gmbh Landing system for aircraft
US3362074A (en) * 1964-01-22 1968-01-09 Luebkeman Binocular front sight for firearms
US3914873A (en) * 1973-02-27 1975-10-28 Jr John B Elliott Illuminated gun sights
US3938875A (en) * 1969-05-09 1976-02-17 Nils Inge Algot Ruder Sight for use on hand firearms and a method of using it
US4945667A (en) * 1988-06-20 1990-08-07 Rogalski Curtis J Simulated sighting device
US6247237B1 (en) 1998-05-15 2001-06-19 Alan R. Redburn Archery sight
US10663256B1 (en) 2018-11-19 2020-05-26 Vartan Frank Garbouchian Firearms sight

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529057A (en) * 1948-02-11 1950-11-07 George J Teffault Illuminated gun sight
US2925657A (en) * 1956-08-27 1960-02-23 Walter H Stenby Sighting devices
US3190002A (en) * 1960-06-06 1965-06-22 Willis H Bliss Arrangement for aligning sights
US3190585A (en) * 1961-02-09 1965-06-22 Dornier Werke Gmbh Landing system for aircraft
US3362074A (en) * 1964-01-22 1968-01-09 Luebkeman Binocular front sight for firearms
US3938875A (en) * 1969-05-09 1976-02-17 Nils Inge Algot Ruder Sight for use on hand firearms and a method of using it
US3914873A (en) * 1973-02-27 1975-10-28 Jr John B Elliott Illuminated gun sights
US4945667A (en) * 1988-06-20 1990-08-07 Rogalski Curtis J Simulated sighting device
US6247237B1 (en) 1998-05-15 2001-06-19 Alan R. Redburn Archery sight
US10663256B1 (en) 2018-11-19 2020-05-26 Vartan Frank Garbouchian Firearms sight

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