Eye alignment assembly
View Patent ↗A bow sight with at least one sight pin mounted to a frame assembly. At least one optical fiber is attached to the sight pin. The optical fiber is exposed to gather ambient light and to transmit light to a sight point located within the frame assembly. The eye alignment assembly includes an optical structure mounted to the frame assembly including a sight point of an optical fiber located near a proximal end of the optical structure and a lens with alignment indicia located at a distal end of the optical structure. An adjustment system permits the optical structure to be reoriented relative to the frame assembly. The eye alignment assembly provides an indication of orientation of the shooter relative to the bow in at least two degrees of freedom.
1. A sight comprising:
a sight assembly;
at least one optical fiber attached to the sight assembly, at least a portion of the optical fiber exposed to gather ambient light and to transmit light to a first sight point located on the sight assembly;
an eye alignment assembly comprising;
an optical structure mounted to the sight comprising a second sight point of an optical fiber located near a first end of the optical structure and an alignment indicia located near a second end of the optical structure; and
an adjustment system adapted to reorient at least one of the optical structure, the second sight point, or the alignment indicia relative to the sight, the eye alignment assembly providing an indication of orientation of a user relative to the sight in at least two degrees of freedom.
2. The sight of claim 1 wherein the optical structure comprises:
a tubular structure; and
a lens containing the alignment indicia.
3. The sight of claim 1 wherein the eye alignment assembly is pivotally adjustable relative to the sight.
4. The sight of claim 1 wherein the eye alignment assembly provides an indication of orientation of the sight relative to a user's eye in pitch and yaw directions.
5. The sight of claim 1 wherein the eye alignment assembly is located so a user can check alignment while viewing a target through the sight assembly.
6. The sight of claim 1 wherein the alignment indicia is aligned with sight point on optical fiber only when a user's eye is in a predetermined relationship with respect to the sight.
7. An eye alignment assembly for aligning a tool with a user, the eye alignment assembly comprising:
an optical structure mounted to the tool comprising a sight point of an optical fiber located near a first end of the optical structure and an alignment indicia located near a second end of the optical structure; and
an adjustment system adapted to reorient at least one of the optical structure, the sight point, or the alignment indicia relative to the tool, the eye alignment assembly providing an indication of orientation of the user relative to the tool in at least two degrees of freedom.
8. The eye alignment assembly of claim 7 wherein the eye alignment assembly decouples a user's line of sight from an operating axis/plane of the tool.
9. The eye alignment assembly of claim 7 wherein the eye alignment assembly provides an indication of orientation of a user relative to the tool without aligning a user's line of sight with an operating axis/plane of the tool.
10. The eye alignment assembly of claim 7 wherein the eye alignment assembly provides an indication of an optimum interface of an operating plane/axis of the tool with a domain.
11. The eye alignment assembly of claim 7 wherein the optical structure includes a lens with a magnification such that one of the sight point or the alignment indicia is only in focus when the lens is a predetermined distance from a user.
12. The eye alignment assembly of claim 7 wherein the alignment indicia is located on a rotating lens that provides an indication of level.
13. The eye alignment assembly of claim 7 wherein the alignment indicia is aligned with the sight point on the fiber only when a user is in a predetermined relationship with respect to the tool.
14. The eye alignment assembly of claim 7 wherein a portion of the optical fiber extends beyond the eye alignment assembly to collect ambient light.
15. The eye alignment assembly of claim 7 comprising an indication of a user relative to the tool in the pitch and yaw directions.
16. The eye alignment assembly of claim 7 comprising an indication of a user in six degrees of freedom relative to the tool.
17. The eye alignment assembly of claim 7 wherein the distance between the sight point of the optical fiber and the alignment indicia is adjustable.
18. The eye alignment system of claim 7 wherein the tool is selected from one of a bow, a firearm, a golf club, power tools, pool cue, tractor, or snow skis.
19. A method of aligning a tool with a user, the method comprising the steps of:
mounting to the tool an optical structure comprising a sight point of an optical fiber located near a first end of the optical structure and an alignment indicia located near a second end of the optical structure;
adjusting one of an orientation of the optical structure, the sight point, or the alignment indicia relative to the tool so the sight point appears aligned with the alignment indicia when the tool is in a predetermined orientation relative to a user; and
orienting the tool relative to a user prior to use so the sight point is aligned with the alignment indicia.
20. The method of claim 19 comprising the step of orienting the tool in six degrees of freedom relative to a user prior to use.
21. The method of claim 19 wherein the alignment indicia is located on a rotating lens, the method comprising the step of determining a roll position of the tool prior to use.
22. The method of claim 19 comprising the step of adjusting a distance between the sight point of the optical fiber and the alignment indicia.