Sep 1, 2026

US12723842 - Dot sight

A dot sight includes a sight mount, a sight frame, a light source member, a collimator lens set, a reflector, and a beam splitter prism, where a first chamber is formed in the sight mount; the sight frame is provided at a circumferential side of the sight mount close to an eye side; a second chamber, and a through opening communicating the second chamber and the first changer are formed in the sight frame; the light source member is provided at an end of the first chamber close to an object side, and configured to emit light to the eye side; the collimator lens set is provided in the first chamber; the reflector is provided in the first chamber, and corresponding to the through opening; the beam splitter prism is provided in the second chamber; and an axial position of the light source member is adjustable.

Assignee: ZHUHAI MEFO OPTICAL INSTRUMENTS CO LTD.
Inventors: Xiping Yu, Jiyuan Tian, Hui Yang, Dayun Lin, Yinquan He
Filing date: 2024-04-03

sightopticsfirearm_accessory

The patent describes a dot sight that features an adjustable light source, a collimator lens set, and a beam splitter prism, all housed within a sight mount and frame. This design allows for effective light emission towards the user’s eye while maintaining a compact structure suitable for firearms.

Claim 1

1 . A dot sight, comprising: a sight mount, wherein a first chamber extending along an axial direction of the sight mount is formed in the sight mount, and an end of the first chamber close to an object side communicates with the outside; a sight frame provided at a circumferential side of the sight mount close to an eye side, wherein a second chamber penetrating through the sight frame along an axial direction, and a through opening communicating the second chamber and the first chamber are formed in the sight frame; a light source member provided at the end of the first chamber close to the object side, and configured to emit light to the eye side, wherein an axial position of the light source member relative to the sight mount is adjustable; a collimator lens set provided in the first chamber, and provided at a side of the light source member close to the eye side; a reflector provided in the first chamber, and corresponding to the through opening; and a beam splitter prism provided in the second chamber, wherein the beam splitter prism comprises a first prism and a second prism cemented to each other, and a reflective film is provided on a cemented plane of the first prism and the second prism, wherein the light source member is threadedly connected to the sight mount. a sight mount, wherein a first chamber extending along an axial direction of the sight mount is formed in the sight mount, and an end of the first chamber close to an object side communicates with the outside; a sight frame provided at a circumferential side of the sight mount close to an eye side, wherein a second chamber penetrating through the sight frame along an axial direction, and a through opening communicating the second chamber and the first chamber are formed in the sight frame; a light source member provided at the end of the first chamber close to the object side, and configured to emit light to the eye side, wherein an axial position of the light source member relative to the sight mount is adjustable; a collimator lens set provided in the first chamber, and provided at a side of the light source member close to the eye side; a reflector provided in the first chamber, and corresponding to the through opening; and a beam splitter prism provided in the second chamber, wherein the beam splitter prism comprises a first prism and a second prism cemented to each other, and a reflective film is provided on a cemented plane of the first prism and the second prism, wherein the light source member is threadedly connected to the sight mount.

Google Patents

https://patents.google.com/patent/US12723842

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12723842