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Patent application title:

Sighting Device for Alignment of an Archery Bow

Publication number:

US20200141696A1

Publication date:
Application number:

16/338,831

Filed date:

2017-01-09

Abstract:

A sighting device, and method utilizing the device, for the alignment of an archery bow to achieve accuracy and consistency of the shooting position. The sighting device is mounted on the bow and comprises a main component frame, a spirit level mounted on the frame at the front, distal from the user, and an alignment pin mounted on the frame at the rear, proximal to the user. The method comprises the visual alignment of the spirit level and the alignment pin to achieve consistency of the shooting position.

Inventors:

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Classification:

  1. Mechanical engineering
  2. Weapons

F41B5/1442 »  CPC further

Bows; Crossbows; Details of bows; Accessories for arc shooting Accessories for arc or bow shooting

F41G1/467 »  CPC main

Sighting devices for particular applications for bows

Description

    • a. All Part Descriptions are illustrated in FIG. 1 and FIG. 2.
    • b. The Main Component Frame (1) can be attached to the right or left side of the bow. The frame has elongated mounting holes, which allows for adjustment to the vertical height to match archers of different sizes.
    • c. A Spirit Level (2) sits at the front of the Main Component Frame (1). It is adjustable so that it can be aligned with the Alignment Pin (4).
    • d. Below the Spirit Level (2) is a Rectangular Hole (3) for the attachment of adjustable Target Pins (5), Scopes (6) and other Accessories.
    • e. An Alignment Pin (4) is attached to the rear (nearest to the eye) of the Main Component Frame (1). It is adjustable so that it can be aligned with the Spirit Level (2).

PRINCIPLE

The working principle of the product is illustrated in FIG. 3.

    • a. Start by looking at the Alignment Pin (4) that is nearest to the eye (A). The Alignment Pin (4) and Spirit Level (2) must be aligned with no gap in between them and the outer edges of both components are flushed visually (B). The bubble in the Spirit Level (2) must be aligned to the middle.
    • b. Hence for each draw, the archer is able to rely on the above mentioned visual quest to align the bow posture to the same 3-dimensional x, y, z positions.
    • c. Having the above consistency in bow position, every arrow will be shot under similar positional conditions. Based on a 3-dimensional grid (C), the inconsistency of the shot is determined as such: the ‘x’-deviation is caused by the left-right misalignment (D) of the Alignment Pin (4) and Spirit Level (2). The ‘z’-deviation is caused by the spatial gap (up-down misalignment) (E) between the Alignment Pin (4) and Spirit Level (2). And lastly the ‘y’-deviation is caused by the tilt in the bow (angular misalignment) (F). Given the above problems, the archer can easily rectify them by using the alignment cue as demonstrated in (B).
    • d. Maintaining this alignment cue as demonstrated in (B) while aiming the Target Pin (5) or Scope (6) at the target point each time will ensure that the arrows are shot with accuracy and consistency.
    • e. The principle behind this product can be applied to various bow types, such as compound bows, recurve bows and longbows. It can also be used in conjunction with a peep sight.

DESCRIPTIONS OF DRAWINGS

FIG. 1: Component Reference

FIG. 2: Component Reference

FIG. 3: Principle of Use

FIG. 4: Photo of Prototype

FIG. 5: Photo of Prototype mounted on a bow

FIG. 6: Photo of Prototype mounted on a bow

Claims

1. A sighting device for mounting on an archery bow, that aligns the position of the bow in 3 dimensional planes x, y and z, comprising:

a. Main Component Frame (1)

b. An Alignment Pin (4) that is adjustable by the user

c. A Spirit Level (2) that is adjustable by the user

d. A Rectangular Hole (3) for the attachment of Target Pin (5), Scopes (6) and other Accessories.

2. The sighting device of claim 1 where the Spirit Level (2) is mounted above the Target Pin (5) or Scope (6).

3. The sighting device of claim 1 where the Spirit Level (2) component is mounted in front of the Main Component Frame (1).

4. The sighting device of claim 1 where the Alignment Pin (4) is mounted at the rear of the Main Component Frame (1), nearest to user.

5. A method for repeated alignment of an archery bow in the shooting position, comprising:

a. The Alignment Pin (4) and Spirit Level (2) must be aligned with no gap in between them.

b. The outer edges of both components are flushed visually, see FIG. 3 (B).

c. The bubble in the Spirit Level (2) must be aligned to the middle.

d. Hence for each shot, the archer is able to rely on the above mentioned visual quest to align the bow posture to the same 3-dimensional x, y, z positions.

e. Having the above consistency in bow position, every arrow will be shot under same positional conditions.

f. Maintaining this alignment cue as demonstrated in FIG. 3 (B) while aiming the Target Pin (5) or Scope (6) at the target point each time will ensure that the arrows are shot with accuracy and consistency.

Resources

Images & Drawings included:

Fig. 01 - Sighting Device for Alignment of an Archery Bow
Fig. 01
Fig. 02 - Sighting Device for Alignment of an Archery Bow
Fig. 02
Fig. 03 - Sighting Device for Alignment of an Archery Bow
Fig. 03
Fig. 04 - Sighting Device for Alignment of an Archery Bow
Fig. 04
Fig. 05 - Sighting Device for Alignment of an Archery Bow
Fig. 05
Fig. 06 - Sighting Device for Alignment of an Archery Bow
Fig. 06
Fig. 07 - Sighting Device for Alignment of an Archery Bow
Fig. 07

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