IP Library Granted Patent US 11,235,205
Granted Patent B2
US 11,235,205 · App. 16/687,217 · Granted Feb 1, 2022

Hyper-acuity golf club sight lines

Inventor: David Clayton Heylmun (Denver, CO)
Assignee: Heylmun Holdings LLC
A63B53/04A63B53/0441
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Quick Facts
Patent No.
US 11,235,205
App. No.
16/687,217
Granted
Feb 1, 2022
Kind
B2
Abstract

Unlike earlier visual alignment aids, the present devices and methods may transfer focus away from a central sight line to a plurality of multicolored auxiliary sight lines. The multicolored sight lines are typically brightly colored to maintain the player's focus and help avoid head movement during initiation of the swing. Further, in some embodiments, the central and/or auxiliary sight lines are dashed, with the dashes either aligned or offset from one another. In this way, hyper-acuity becomes two-dimensional with sight lines running in a first dimension (e.g., from face-to-back, when markings are on the crown, or top-to-bottom, when markings are on the face) and cross lines, made up of inter-sight line dashes, running in a second dimension (e.g., from heal-to-toe).

Claims (18)

1. A golf club comprising:

a shaft connected to a head, the head having a substantially planar front face and a back;

and

a plurality of sight lines disposed at a mid-point between a heel and a toe of the head, each of the sight lines oriented perpendicular to the substantially planar front face,

wherein the plurality of sight lines comprises a central line and two outer lines, and

wherein at least one of the sight lines varies in color between the front face and the back.

2. The golf club of claim 1 , wherein the plurality of sight lines forms a two dimensional pattern.

3. The golf club of claim 2 , wherein the two-dimensional pattern comprises sight lines and cross lines.

4. The golf club of claim 1 , wherein the two outer lines are multicolored lines varying in color between the front face and the back.

5. The golf club of claim 4 , wherein colors of the multicolored sight line(s) are spatially separate from one another.

6. The golf club of claim 4 , wherein colors of the multicolored sight line(s) are touching and distinct.

7. The golf club of claim 4 , wherein colors of the multicolored sight line(s) are touching and indistinct.

8. The golf club of claim 1 , wherein the central line is a multicolored line varying in color between the front face and the back.

9. The golf club of claim 1 , wherein the outer lines have the same multicolored pattern.

10. The golf club of claim 1 , wherein the golf club is a wood, a driver, a hybrid or a putter.

11. The golf club of claim 1 , wherein at least one of the sight lines is disposed on a crown portion of the golf club.

12. The golf club of claim 1 , wherein the plurality of sight lines is disposed on a crown portion of the golf club.

13. The golf club of claim 1 , wherein the sight lines are substantially flush with existing surfaces of the golf club.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 22, 2021
From: HEYLMUN, DAVID CLAYTON
To: HEYLMUN HOLDINGS LLC
Reel/Frame 057872/0059 →
Continuity (1)
Related Publication 20210146200A1 · May 20, 2021