Diopter adjustment mechanism

Abstract

To provide a diopter adjustment mechanism that does not require a long time for a user to reach a setting required by the user and that can easily and reliably fix the diopter adjustment at a predetermined position. The diopter adjustment mechanism includes a scope tube having a first female thread and a second female thread. The first female thread has a first pitch and is disposed on the scope tube to form a helical thread with lands between the helical threads. The second female thread has a second pitch and is disposed on the lands of the first female thread. The jam nut has male threads that correspond to and engage the second female threads.

Description

[Technical field]

[0001] (CROSS REFERENCE TO RELATED APPLICATIONS) This application is a continuation of and claims priority to U.S. Provisional Patent Application No. 62 / 857,518, filed June 05, 2019, which is incorporated by reference in its entirety.

[0002] (Technical field) The present disclosure relates to Male thread SUMMARY OF THE DISCLOSURE In one embodiment, the present disclosure relates to a mechanism for diopter adjustment. [Background technology]

[0003] People's visual acuity varies greatly from person to person. For a given individual, there may be differences between the visual acuity of the right eye and the visual acuity of the left eye. Observation optics, such as rifle scopes and cameras, are provided with a diopter adjustment to allow the observation optics to be focused for each user. Also, if the observation optics has two eyepieces, a diopter adjustment may be provided for one or both eyepieces so that each individual eyepiece can be similarly adjusted to the particular eye of the user.

[0004] There are two main types of diopter adjustments. The first type has a fine thread pitch that allows it to be tightly locked into position with a jam nut, but because the threads are so fine, it takes a long time to reach the setting the user needs. This long time allows the user's eyes to compensate as they change focus. Then, when they look through the viewing optics, the user's eyes are not compensated and they need to change the diopter adjustment again.

[0005] The second type of diopter adjustment is the fast focus diopter adjustment. Fast focus diopter adjustments use a larger pitch screw. As a result, they can be adjusted quickly before the user's eye can correct. Unfortunately, the large pitch makes the diopter adjustment difficult to lock securely in place, resulting in automatic adjustment upon impact or firing.

[0006] For these reasons, it would be a great advantage to have a "zero stop" turret, and therefore there is a great demand for a zero stop turret that can address these issues. Summary of the Invention

[0007] In one embodiment, the present disclosure provides a diopter adjustment mechanism. According to an embodiment of the present disclosure, the diopter adjustment mechanism includes a scope tube and a first screw thread disposed on the scope tube and having a first pitch forming a helical thread and a land between the helical threads. Male thread And the first Male thread a second pitch disposed on the land of the first Male thread And the second Male thread Corresponding to the second Male thread Engage with Female thread and a jam nut having a first pitch greater than the second pitch.

[0008] In one embodiment, the first Male thread is a trapezoid. In one embodiment, the second Male thread has a V-thread profile. In another embodiment, the first pitch is 2.5 to 5 times the second pitch. In a further embodiment, the first pitch is 3.0 mm to 6.0 mm. In yet another embodiment, the second pitch is 0.25 mm to 2.5 mm. In another embodiment, the first Male thread The angle of the thread of the second is between 20° and 45°. Male thread The thread angle is between 40° and 80°.

[0009] In another embodiment, the present disclosure provides an observation optical system. According to an embodiment of the present disclosure, the observation optical instrument includes a first Female thread and a first eyepiece having an inner surface having Male thread and the second Male thread a first scope tube having an outer surface comprising Male thread has a first pitch and a second land, Male thread a second pitch and disposed on the land; and a second pitch and disposed on the land; Female thread and a jam nut having a first pitch greater than a second pitch, Female thread is the first Male thread Corresponding to the second Female thread The second Male thread Corresponds to.

[0010] In another embodiment, the first Male thread In yet another embodiment, the second Male thread has a V-thread profile. In a further embodiment, the first pitch is 2.5 to 5 times the second pitch. In yet another embodiment, the first pitch is 3.0 mm to 6.0 mm. In yet another embodiment, the second pitch is 0.25 mm to 2.5 mm. In another embodiment, the first Male thread In yet another embodiment, the second thread angle is between 20° and 45°. Male thread The thread angle is between 40° and 80°. In yet another embodiment, the viewing optic is selected from a scope, a riflescope, binoculars, a camera, and a telescope. In another embodiment, the viewing optic is adapted for use with a firearm.

[0011] Embodiments of the present disclosure are disclosed with reference to the accompanying drawings, which are for purposes of example only. The disclosure is not limited in its application to the details of construction or the arrangement of components shown in the drawings. The disclosure is capable of other embodiments or of being practiced or carried out in various other ways. Like reference numerals are used to indicate like elements. [Brief description of the drawings]

[0012] [Figure 1] FIG. 13 is a partial side view of a diopter adjustment mechanism according to an embodiment of the present disclosure. [Diagram 2] FIG. 2 is a detailed view of the first and second external threads of a scope tube according to an embodiment of the present disclosure. [Diagram 3] FIG. 2 is a schematic diagram of a first male thread according to an embodiment of the present disclosure. [Figure 4] FIG. 13 is a schematic diagram of a second male thread according to an embodiment of the present disclosure.

[0013] Before describing the embodiments of the present disclosure in detail, it is to be understood that the disclosure is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the drawings. The techniques of the present disclosure are capable of other embodiments or of being practiced or carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein are for the purpose of description and should not be regarded as limiting. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0014] Those skilled in the art will appreciate that the set of features and / or capabilities can be readily adapted in the context of stand-alone weapon sights, front-mounted or rear-mounted clip-on weapon sights, and other arrangements of the optical weapon sights presented and deployed. Further, those skilled in the art will appreciate that various combinations of features and capabilities can be incorporated into add-on modules for retrofitting any type of existing fixed or adjustable weapon sight.

[0015] When an element or layer is referred to as being "on," "connected," or "coupled" to another element or layer, it will be understood that it can be directly on, connected, or coupled to the other element or layer. Alternatively, intervening elements or layers may be present. In contrast, when an element is referred to as being "directly on," "directly connected," or "directly coupled" to another element or layer, there are no intervening elements or layers present.

[0016] Like numbers refer to like elements throughout. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0017] It will be understood that terms such as first, second, etc. may be used herein to describe various elements, components, regions, and / or sections, and / or that these elements, components, regions, and / or sections should not be limited by these terms. These terms are used only to distinguish one element, component, region, or section from another element, component, region, or section. Thus, a first element, component, region, or section described below can be referred to as a second element, component, region, or section without departing from the present disclosure.

[0018] For ease of description, spatially relative terms such as "beneath," "below," "lower," "above," and "upper" may be used herein to describe the relationship of one element or feature to another element or feature as depicted in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures were inverted, an element described as "below" or "directly below" another element or feature would be oriented "above" the other element or feature. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be in other orientations (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein will be interpreted accordingly.

[0019] Numerical ranges in this disclosure are approximations and therefore may include values ​​outside the range unless otherwise stated. Numerical ranges include all values ​​between, including the lower and higher values, in increments of one unit, provided that there is a separation of at least two units between any lower value and any higher value. For example, if a compositional, physical or other property, such as molecular weight, melt index, temperature, etc., is 100 to 1,000, all individual values ​​such as 100, 101, 102, etc., and subranges such as 100 to 144, 155 to 170, 197 to 200, etc., are intended to be explicitly recited. For ranges containing values ​​less than 1, or ranges containing fractions greater than 1 (such as 1.1, 1.5, etc.), one unit is considered to be 0.0001, 0.001, 0.01, or 0.1, as appropriate. Also, for ranges containing single digit numbers less than 10 (e.g., 1 to 5), one unit is typically considered to be 0.1. These are merely examples of what is specifically intended, and all possible combinations of numerical values ​​between the lowest and highest values ​​recited are to be considered as expressly set forth in this disclosure. Numerical ranges are provided within this disclosure for, among other things, the relative amounts of the components in the mixture, and the ranges of various temperatures and other parameters described herein.

[0020] As used herein, the term "observation optics" refers to devices used by a shooter or observer to select, identify, or monitor a target. "Observation optics" may rely on visual observation of the target or may rely on, for example, infrared (IR), ultraviolet (UV), radar, thermal, microwave, or magnetic imaging, radiation including x-ray, gamma ray, isotope, and particle radiation, night vision, ultrasound, sound pulse, sonar, seismic vibration, magnetic resonance, gravity receptors, broadcast frequencies including radio waves, television, and vibration receptors including cellular receptors, or other images of the target. The image of the target presented to the shooter by the "observation optics" device may be unaltered or may be enhanced, for example, by magnification, amplification, subtraction, superposition, filtering, stabilization, template matching, or other means. The target selected, identified, or monitored by the "observation optics" may be within the shooter's line of sight or tangential to the shooter's line of sight, which may be obstructed while the target acquisition device presents the shooter with a focused image of the target. The image of the target acquired by the "sighting optics" may be, for example, analog or digital, and may be shared, stored, archived, or transmitted within a network of one or more shooters and observers by video, physical cables or wires, IR, radio waves, cellular connections, laser pulses, optical, 802.11b or other wireless transmissions, using protocols such as html, SML, SOAP, X.25, SNA, etc., Bluetooth™, serial, USB, or other suitable image delivery methods. In one embodiment, the sighting optic is a riflescope. The term "sighting optics" is used interchangeably with "optical sight."

[0021] As used herein, "pitch" means the distance between threads.

[0022] As used herein, "land" means the area between threads.

[0023] FIG. 1 is a partial side view of a diopter adjustment unit 100 for observation optics showing an eyepiece 10 and a scope tube 20. The eyepiece 10 and the scope tube 20 are generally cylindrical with a central opening. The eyepiece 10 and the scope tube 20 are coaxial. The eyepiece 10 is a first Female thread 15. The scope tube 20 has an inner surface having a first Female thread The first corresponds to 15 Male thread 30. The first Female thread 15 is the first Male thread 30, eyepiece 10 is rotatable about and movable along scope tube 20. Depending on the direction of rotation, eyepiece 10 will move further on scope tube 20 and away from the remainder of the viewing optics (not shown).

[0024] As shown more clearly in Figs. 2 and 3, the first Male thread 30 has a single trapezoidal valley 36 spirally disposed around the scope tube 20. In one embodiment, the first Male thread 30 has a pitch 35 of 3.0 mm, or 3.25 mm, or 3.5 mm, or 3.75 mm, or 4.0 mm, or 4.25 mm, or 4.50 mm, to 4.75 mm, or 5.0 mm, or 5.25 mm, or 5.5 mm, or 5.75 mm, or 6.0 mm. Male thread 30 has a pitch 35 of 4.0 mm, or 4.25 mm, or 4.5 mm, to 4.75 mm, or 5.0 mm.

[0025] In one embodiment, the first Male thread 30 is trapezoidal, meaning that the cross section of the thread has a generally trapezoidal shape. In one embodiment, the thread angle A1 is from 20°, or 25°, or 30°, to 35°, or 40°, or 45°. In a further embodiment, the thread angle A1 is from 25°, or 26°, or 27°, or 28°, or 29°, to 30°, or 31°, or 32°, or 33°, or 34°, or 35°.

[0026] Referring to FIG. 2 and FIG. 4, the second Male thread 40 is the first Male thread 1 and 2, the first Male thread 30 pitch 35 is the second Male thread 40. In one embodiment, the first Male thread 30 pitch 35 is the second Male thread 40 pitch 45 is 2, 2.5, 3, 3.5 to 4, 4.5, or 5 times. Male thread 30 pitch 35 is the second male The pitch 45 of the threads 40 may be from 2.5x, or 2.75x, or 3.0x, or 3.25x, or 3.5x, or 3.75x to 4.0x, or 4.25x, or 4.5x, or 4.75x, or 5.0x.

[0027] In one embodiment, the second Male thread The pitch 45 of the second 40 is 0.25 mm, or 0.5 mm, or 0.75 mm, or 1.0 mm to 1.25 mm, or 1.5 mm, or 1.75 mm, or 2.0 mm, or 2.25 mm, or 2.5 mm. Male thread 40 has a pitch 45 of 0.3 mm, or 0.4 mm, or 0.5 mm, or 0.6 mm, or 0.7 mm to 0.8 mm, or 0.9 mm, or 1.0 mm, or 1.1 mm, or 1.2 mm, or 1.3 mm, or 1.4 mm, or 1.5 mm.

[0028] In one embodiment, the second Male thread 40 is a standard V-thread profile conforming to ISO 261 and the Unified Thread Standard. The thread angle A2 is from 40°, or 45°, or 50°, or 55°, or 60° to 65°, or 70°, or 75°, or 80°. In further embodiments, the thread angle A2 is from 55°, or 56°, or 57°, or 58°, or 59° to 60°, or 61°, or 62°, or 63°, or 64°, or 65°.

[0029] Referring again to FIG. 1, the jam nut 50 is a second Male thread The second corresponds to 40 Female thread Jam nut 50 is a generally ring-shaped component having an inner surface with a groove (not shown). Jam nut 50 is coaxial with eyepiece 10 and scope tube 20. Female thread The second part of the scope tube 20 Male thread 40 such that jam nut 50 is rotatable relative to and movable along scope tube 20 .

[0030] To adjust the focus of the eyepiece 10, the eyepiece 10 is first rotated (i.e., clockwise or counterclockwise depending on the desired adjustment) until the user determines the field of view is clear. Then, the jam nut 50 is rotated until it is suitably secured to the eyepiece 10. The jam nut 50 acts as a lock. Male thread 30 big pitches 35 second to Male thread The fine pitch 45 of 40 prevents unintended movement of jam nut 50 when the viewing optic is moved, bumped, or used. For example, in one embodiment, the viewing optic is a scope for use with a firearm. The locking ability of jam nut 50 can prevent eyepiece 10 from moving when the firearm is fired.

[0031] It will be appreciated that the diopter adjustment mechanism may be used in connection with any viewing optics, including, but not limited to, scopes, riflescopes, binoculars, cameras, telescopes, and similar viewing optics.

[0032] Although several embodiments of the features of the diopter adjustment mechanism have been described in detail, it should be apparent that modifications and variations of these are possible, all of which fall within the true spirit and scope of the present invention. With respect to the above description, it should be understood that the optimal dimensional relationships for the components of the present invention, including variations in size, material, shape, form, function and mode of operation, assembly, and use, are deemed readily apparent to those skilled in the art, and all equivalent relationships shown in the drawings and described herein are intended to be encompassed by the present invention. Therefore, the foregoing is considered merely to illustrate the principles of the present invention. Moreover, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and all suitable modifications and equivalents may be utilized that fall within the scope of the present invention accordingly. [Explanation of symbols]

[0033] 10 Eyepiece 15 First Female thread 20 Scope tube 30 1st Male thread 40 Second Male thread 50 Jamnut 100 Diopter adjustment unit for observation optical equipment

Claims

1. A diopter adjustment mechanism, A scope tube and a first male screw disposed on said scope tube, said first male screw having a first pitch forming a helical thread and a land between said helical threads; a member having a first female thread corresponding to and engaging with the first male thread; a second external thread disposed on a land of the first external thread and having a second pitch; a jam nut having second female threads corresponding to and engaging with the second male threads; Equipped with the first pitch is greater than the second pitch; A diopter adjustment mechanism, wherein the first pitch is 2.5 to 5 times the second pitch.

2. The diopter adjustment mechanism of claim 1 , wherein the first external thread is trapezoidal.

3. The diopter adjustment mechanism of claim 1 , wherein the second external thread has a V-thread profile.

4. The diopter adjustment mechanism according to claim 1 , wherein the first male screw has a thread angle of 20° to 45°.

5. The diopter adjustment mechanism according to claim 1 , wherein the second male screw has a thread angle of 40° to 80°.

6. 1. An observation optical instrument, comprising: an eyepiece having an inner surface with a first female thread; a scope tube having an exterior surface with first and second external threads, the first external threads having a first pitch and a land, and the second external threads having a second pitch and disposed on the land; a jam nut rotatably secured to an outer surface of the scope tube and having a second female thread on an inner surface thereof; Equipped with the first pitch is greater than the second pitch, the first female thread corresponds to the first male thread, and the second female thread corresponds to the second male thread; An observation optical instrument, wherein the first pitch is between 3.0 mm and 6.0 mm, and the second pitch is between 0.25 mm and 2.5 mm.

7. The viewing optics of claim 6 , wherein the first external thread is trapezoidal.

8. The viewing optics of claim 6 , wherein the second external thread has a V-thread profile.

9. The observation optics of claim 6 , wherein the first male screw has a thread angle of 20° to 45°.

10. The observation optical instrument of claim 6 , wherein the second male screw has a thread angle of 40° to 80°.

11. The viewing optics of claim 6 , wherein the viewing optics is selected from a scope, a riflescope, binoculars, a camera, and a telescope.

12. 7. The viewing optics of claim 6 adapted for use with a firearm.

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