Wood-type golf club including center of gravity adjustment

• US 10,369,437 B1
• Filed: 08/20/2018
• Issued: 08/06/2019
• Est. Priority Date: 08/20/2018
• Status: Active Grant

• Current Assignee: Acushnet Company (FILA Holdings Corp.)
• Original Assignee: Acushnet Company (FILA Holdings Corp.)
• Inventors: Cleghorn, Richard L., Frame, Nick, Bac, Mitchell E.
• Primary Examiner(s): Simms, Jr., John E
• Application Number:
  US16/105,323
• Time in Patent Office: 351 Days
• CPC Class Codes: A63B 2053/0491 with added weights, e.g. changeable, replaceable
• CPC Class Codes: A63B 2053/0495 moving on impact, slidable, spring or otherwise elastically biased
• CPC Class Codes: A63B 2102/32 Golf
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 53/06 adjustable
• CPC Class Codes: A63B 53/08 with special arrangements for obtaining a variable impact
• CPC Class Codes: A63B 60/02 Ballast means for adjusting the centre of mass A63B60/24, A63B60/54 take precedence
• CPC Class Codes: A63B 60/04 Movable ballast means A63B15/005 takes precedence

Abstract

A golf club head, including an adjustable weight system including a drive mechanism, a locking mechanism, and a weight, wherein the drive mechanism is rotatable about an axis of rotation, and the weight is slidable along an axis of translation, wherein the axis of rotation is perpendicular to the axis of translation at an interface of the drive mechanism and the weight, wherein the drive mechanism comprises a plurality of teeth, wherein the weight comprises a plurality of cogs, wherein the plurality of teeth of the drive mechanism engage the plurality of cogs of the weight so that rotation of the drive mechanism about an axis of rotation forces the weight to translate along the axis of translation, wherein a component of the locking mechanism translates between an unlocked position and a locked position in a direction parallel to the axis of rotation of the drive mechanism.

Claims

1. A golf club head, comprising;

A body having a face defining a ball striking surface, a crown extending from an edge of said face, a sole extending from an edge of said face, and a skirt extending between said crown and said sole; and

an adjustable weight system comprising a drive mechanism, a locking mechanism, and a weight;

wherein said drive mechanism is rotatable about an axis of rotation, and said weight is slidable along an axis of translation;

wherein said axis of rotation is perpendicular to said axis of translation at an interface of said drive mechanism and said weight;

wherein said drive mechanism comprises a plurality of teeth;

wherein said weight comprises a plurality of cogs that complement said plurality of teeth of said drive mechanism;

wherein said plurality of teeth of said drive mechanism engage said plurality of cogs of said weight so that rotation of said drive mechanism about an axis of rotation forces said weight to translate along said axis of translation;

wherein a component of said locking mechanism translates between an unlocked position and a locked position in a direction parallel to said axis of rotation of said drive mechanism; and

wherein said locking mechanism directly engages and prevents movement of at least one of said drive mechanism and said slidable weight.

2. The golf club head of claim 1, wherein said golf club head comprises a curved weight channel.

3. The golf club head of claim 2, wherein said weight channel comprises a plurality of radii of curvature.

4. The golf club head of claim 2, wherein said weight is flexible, allowing said weight to conform and translate smoothly along said curved weight channel.

5. The golf club head of claim 1, wherein said adjustable weight system comprises a first set of teeth located on said drive mechanism, and a second set of teeth affixed to said body, wherein said locking mechanism biases said first set of teeth to engage said second set of teeth, locking said locking mechanism, and wherein forcing said first set of teeth in a direction parallel to said axis of rotation disengages said first set of teeth from said second set of teeth, unlocking said locking mechanism.

6. The golf club head of claim 5, wherein said locking mechanism comprises a spring configured to bias said first set of teeth to engage said second set of teeth.

7. The golf club head of claim 5, wherein said locking mechanism comprises a fastener configured to bias said first set of teeth to engage said second set of teeth.

8. The golf club head of claim 1, wherein said adjustable weight system is constructed separately from said golf club head and affixed to said golf club head.

9. The golf club head of claim 1, wherein said body comprises an aperture formed therein, and wherein said adjustable weight system is affixable to said golf club head in a plurality of angular positions.

10. The golf club head of claim 1, wherein said adjustable weight system further comprises a weight channel, wherein said weight channel comprises a slot, and wherein the cross section of said weight channel complements the cross section of said weight.

11. A golf club head, comprising;

A body having a face defining a ball striking surface, a crown extending from an edge of said face, a sole extending from an edge of said face, and a skirt extending between said crown and said sole; and

an adjustable weight system comprising a drive mechanism, a locking mechanism, and a weight;

wherein said drive mechanism is rotatable about an axis of rotation, and said weight is slidable along an axis of translation;

wherein said axis of rotation is perpendicular to said axis of translation at an interface of said drive mechanism and said weight;

wherein said weight resides in a curved weight channel;

wherein said weight is flexible, allowing said weight to conform and translate smoothly along said weight channel;

wherein said drive mechanism comprises a plurality of teeth;

wherein said weight comprises a plurality of cogs that complement said plurality of teeth of said drive mechanism;

wherein said plurality of teeth of said drive mechanism engage said plurality of cogs of said weight so that rotation of said drive mechanism about an axis of rotation forces said weight to translate along said axis of translation;

wherein a component of said locking mechanism translates between an unlocked position and a locked position in a direction parallel to said axis of rotation of said drive mechanism; and

wherein said locking mechanism directly engages and prevents movement of at least one of said drive mechanism and said slidable weight.

12. The golf club head of claim 11, wherein said weight channel comprises a plurality of radii of curvature.

13. The golf club head of claim 11, wherein said weight channel is adjacent said skirt of said body.

14. The golf club head of claim 11, wherein said weight is formed of an elastomeric material.

15. The golf club head of claim 14, wherein said weight further comprises a plurality of insert bores, each configured to house a weight insert.

16. A golf club head, comprising;

A body having a face defining a ball striking surface, a crown extending from an edge of said face, a sole extending from an edge of said face, and a skirt extending between said crown and said sole; and

an adjustable weight system comprising a drive mechanism, a locking mechanism, and a weight;

wherein said drive mechanism is rotatable about an axis of rotation, and a weight that is slidable along an axis of translation;

wherein said axis of rotation is perpendicular to said axis of translation at an interface of said drive mechanism and said weight;

wherein said drive mechanism comprises a dial locking member, said dial locking member comprises a plurality of locking teeth and a plurality of drive teeth;

wherein said locking mechanism comprises a dial cover comprising a locking feature;

wherein said locking feature of said dial cover engages said locking teeth of said dial locking member, directly preventing the rotational movement of said drive mechanism when said locking mechanism is in a locked position;

wherein engaging said drive mechanism and applying a force parallel to said axis of rotation translates said dial locking member from a locked position to an unlocked position;

wherein said weight comprises a plurality of cogs that complement said plurality of drive teeth of said drive mechanism; and

wherein said plurality of drive teeth of said drive mechanism engage said plurality of cogs of said weight so that rotation of said drive mechanism about an axis of rotation forces said weight to translate along said axis of translation.

17. The golf club head of claim 16, wherein rotating said drive mechanism, while in said unlocked position, in a first direction causes said weight to translate in a first direction, and wherein rotating said drive mechanism, while in said unlocked position, in a second direction, opposite the first, causes said weight to translate in a second direction, opposite the first.

18. The golf club head of claim 16, wherein said locking mechanism further comprises a spring configured to bias said locking teeth of said dial locking member to engage said locking feature of said dial cover, and applying said force parallel to said axis of rotation compresses said spring and disengages said dial locking member from said dial cover.

19. The golf club head of claim 16, wherein said locking teeth of said dial locking member protrude towards said cover.

20. The golf club head of claim 19, wherein said drive mechanism further comprises a dial, and wherein said body comprises a cavity configured to house said spring and said dial, and wherein said cavity comprises a cavity width greater than a diameter of said dial, and wherein a distance between a base of said cavity and said dial in an unlocked position is greater than the height of said locking teeth of said dial locking member, allowing the dial to translate to said unlocked position and rotate relative to said body.