DE248316C - - Google Patents
Info
- Publication number
- DE248316C DE248316C DENDAT248316D DE248316DA DE248316C DE 248316 C DE248316 C DE 248316C DE NDAT248316 D DENDAT248316 D DE NDAT248316D DE 248316D A DE248316D A DE 248316DA DE 248316 C DE248316 C DE 248316C
- Authority
- DE
- Germany
- Prior art keywords
- sight
- prisms
- target mark
- sighting device
- semi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011521 glass Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/14—Viewfinders
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Telescopes (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Die Erfindung besteht in einer Visiervorrichtung, insbesondere für Jagdgewehre, bei der das verhältnismäßig helle Licht des Himmels für die Beleuchtung und das Erkennen der Zielmarke nutzbar gemacht wird.The invention consists in a sighting device, in particular for hunting rifles which the comparatively bright light of the sky for illumination and cognition the target mark is made usable.
Zu diesem Zweck wird auf dem Gewehrlauf ein Glaswürfel befestigt, der (wie aus der Figur ersichtlich) aus zwei Teilen besteht, die man sich aus zwei rechtwinklig gleichschenkligen Prismen dadurch entstanden denken kann, daß deren Hypotenusenflächen durch je eine konvexe bzw. konkave Fläche gleicher Krümmung ersetzt sind. Beide Prismen sind derart miteinander verbunden, daß ihre gegenüberliegenden Planflächen annähernd parallel sind, so daß beim Durchblicken keine merkliche Ablenkung eintritt.For this purpose, a glass cube is attached to the barrel of the rifle Figure can be seen) consists of two parts, which are made up of two isosceles at right angles Prisms can be thought of originating from the fact that their hypotenuse surfaces are equal by a convex or concave surface Curvature are replaced. Both prisms are connected to one another in such a way that their opposite Planar surfaces are approximately parallel, so that when looking through there is no noticeable deflection.
Die gekrümmte (sphärische) Fläche, an der sich die beiden Prismen berühren, erhält einen halbdurchsichtigen spiegelnden Belag, und auf der Oberfläche des Glasklotzes ist eine Zielmarke derart angebracht, daß sie sich in der Brennfläche dieses Hohlspiegels befindet.The curved (spherical) surface where the two prisms touch is given one semi-transparent reflective coating, and there is a target mark on the surface of the glass block mounted in such a way that it is located in the focal surface of this concave mirror.
Blickt man nun in der dem Pfeil entgegengesetzten Richtung durch den Glasklotz, so sieht man durch die halbdurchsichtige Spiegelschicht das anzuvisierende Objekt und gleichzeitig das von der teilweise spiegelnden Fläche reflektierte Bild der Zielmarke, welch letztere sich bei einigermaßen hellem Himmel deutlieh abhebt.If you look through the glass block in the opposite direction to the arrow, so you can see the object to be targeted through the semi-transparent mirror layer and at the same time the image of the target mark reflected by the partially reflective surface, which is the latter clear in a reasonably bright sky takes off.
Die Einrichtung wirkt also wie die bekannten Kollimatoren.The device thus acts like the known collimators.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE248316C true DE248316C (en) |
Family
ID=507039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT248316D Active DE248316C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE248316C (en) |
-
0
- DE DENDAT248316D patent/DE248316C/de active Active
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