GOLF CLUB HEAD INCLUDING A REMOVABLE WEIGHT
The presently disclosed technology is directed to a golf club head. For example, the golf club head includes a striking face portion, a back portion, a removable weight, and a fastener. The back portion may include an upper blade portion, a gutter, and a lower muscle portion. The lower muscle portion may include a sole and a back flange including a weight recess. The sole may include a fastener through hole accessible to the weight recess. The removable weight may fit into the weight recess.
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This application is a continuation of U.S. patent application Ser. No. 18/441,387, filed Feb. 14, 2024, the disclosure of which is incorporated by reference in its entirety.
FIELD OF THE DISCLOSUREThe present disclosure generally relates to golf clubs, and more specifically to a golf club head including a removable weight.
SUMMARYEmbodiments of the presently disclosed technology may include golf club heads. In accordance with some aspects of the presently disclosed technology, a golf club head may include a striking face portion, a back portion, a removable weight, and a fastener. The back portion may include an upper blade portion, a gutter, and a lower muscle portion. The gutter may extend downward from the upper blade portion. The lower muscle portion may extend downward from the gutter. The lower muscle portion may include a back flange and a sole. The back flange may include a weight recess. The sole may extend backward from a lower portion of the striking face portion to the back flange. The sole may include a toeward sole portion. The toeward sole portion may include a fastener through hole accessible to the weight recess. The removable weight may fit into the weight recess. The removable weight may include a body portion and a cover portion. The body portion may be covered by the sole in an installed position. The body portion may fit into a portion of the weight recess. The cover portion may cover the weight recess in the installed position. The fastener may secure the removable weight in the installed position. A portion of the fastener may engage a toeward portion of the body portion in the installed position.
In embodiments, the removable weight may include a metal.
In embodiments, the metal may include one of tungsten, steel, titanium, aluminum, scandium, zinc, nickel, copper, and iron.
In embodiments, a width of the removable weight may be more than about 80% of a width of the back flange.
In embodiments, a width of the body portion may be less than a width of the cover portion.
In embodiments, a width of the body portion may be about 25% of a width of the cover portion.
In embodiments, a height of the body portion may be larger than a height of the cover portion.
In embodiments, a depth of the body portion may be less than a depth of the cover portion.
In embodiments, the fastener may include a fastener axis running along a heel-to-toe direction.
In accordance with some aspects of the presently disclosed technology, a golf club head may include a striking face portion, a back portion, a removable weight, and a fastener. The back portion may include an upper blade portion, a gutter extending downward from the upper blade portion, and a lower muscle portion extending downward from the gutter. The lower muscle portion may include a back flange. The back flange may include a weight recess extending into a sole, a fastener through hole accessible to the weight recess, and the sole extending backward from a lower portion of the striking face portion to the back flange. The removable weight may fit into the weight recess. The removable weight may include a weight through hole accessible to the fastener through hole. The removable weight may include a body portion covered by the sole in an installed position. The body portion may fit into a portion of the weight recess. The removable weight may include a cover portion to cover the weight recess in the installed position. The fastener may secure the removable weight in the installed position via the fastener through hole.
In embodiments, the removable weight may include a metal.
In embodiments, the metal may include one of tungsten, steel, titanium, aluminum, scandium, zinc, nickel, copper, and iron.
In embodiments, a width of the removable weight may be more than about 80% of a width of the back flange.
In embodiments, a width of the body portion may be less than a width of the cover portion.
In embodiments, the fastener may include a fastener axis. The fastener axis may be perpendicular to an exterior surface of the back flange.
In embodiments, a first portion of the removable weight may extend partially faceward in the installed position. A second portion of the removable weight may extend partially backward in the installed position.
In accordance with some aspects of the presently disclosed technology, a golf club head may include a striking face portion, a back portion, a removable weight, and a fastener. The back portion may include an upper blade portion, a gutter extending downward from the upper blade portion, and a lower muscle portion extending downward from the gutter. The lower muscle portion may include a back flange. The back flange may include a weight recess. The lower muscle portion may include a sole extending backward from a lower portion of the striking face portion to the back flange. The sole may include a toeward sole portion. The toeward sole portion may include a fastener through hole accessible to the weight recess. The removable weight may fit into the weight recess. The removable weight may include a body portion covered by the sole in an installed position. The body portion may fit into a portion of the weight recess. The removable weight may include a cover portion to cover the weight recess in the installed position. The width of the body portion is less than a width of the cover portion. A width of the removable weight may be more than about 80% of a width of the back flange. The fastener may secure the removable weight in the installed position. A portion of the fastener may engage a toeward portion of the body portion in the installed position.
In embodiments, the body portion may include a body through hole to engage the first portion of the fastener.
In embodiments, the removable weight may include a metal.
In embodiments, the fastener may include a fastener axis. The fastener axis may be perpendicular to an exterior surface of the back flange.
These and other features of the presently disclosed technology, as well as the methods of operation and functions of the related elements of structure and the combination of parts, may be clearer upon consideration of the following detailed description and the claims with reference to these drawings, all of which form a part of this specification, with like reference numerals designating corresponding parts in the various figures. It is to be expressly understood that these drawings are for illustration purposes and description and are not intended to be limiting. It should be noted that for clarity and ease of illustration these drawings are not necessarily made to scale. As used in the specification and in the claims, the singular form of “a,” “an,” and “the” may include plural referents unless the context clearly dictates otherwise.
DETAILED DESCRIPTIONCurrently there are limited techniques to dynamically adjust a weight of a golf club iron or golf club wedge. Of the limited techniques, many are permanent and/or time-consuming. For example, this may include polishing off material on the golf club head, drilling holes, and/or adding tip plugs. The presently disclosed technology may allow a golf club head to be dynamically adjustable in mass, center of gravity (CG), and/or moment of inertia (MOI). The presently disclosed technology may include a removable weight. The presently disclosed technology may eliminate the need to remove or add material to the golf club head during assembly to meet customization requirements. This may provide dynamic fine tuning of the mass, CG, and/or MOI of the golf club head after manufacturing.
The presently disclosed technology is directed to a golf club head. The golf club headmay include a striking face portion, a back portion, a removable weight, and a fastener. The back portion may include an upper blade portion, a gutter, and a lower muscle portion. The lower muscle portion may include a back flange and a sole. The back flange may include a weight recess. The removable weight may be used to adjust characteristics of the golf club head. For example, the golf club head may include components to adjust the CG of the golf club head, the mass of the golf club head, the MOI of the golf club head, the materials of the golf club head, the aesthetics of the golf club head, and/or other characteristics. The presently disclosed technology may allow a user to quickly and easily modify the characteristics of a manufactured golf club head depending on the user's needs.
Back portion 103 may include upper blade portion 104, gutter 105, and lower muscle portion 106. Upper blade portion 104 may include an upper portion of back portion 103. Upper blade portion 104 may refer to a blade portion of golf club head 100. Gutter 105 may extend downward from upper blade portion 104. For example, gutter 105 may extend from a lower portion of upper blade portion 104. Gutter 105 may include a substantially curved region. For example, gutter 105 may include a curve downward and backward from a bottom of upper blade portion 104. In some embodiments, gutter 105 may be a linear region. For example, gutter 105 may extend down and back from a bottom of upper blade portion 104. Gutter 105 may include a portion of weight recess 114, which will be described in greater detail below.
Lower muscle portion 106 may include back flange 110 and sole 108. Lower muscle portion 106 may extend downward from gutter 105. Lower muscle portion 106 may refer to a muscle portion of golf club head 100. For example, lower muscle portion 106 may extend downward from a bottom portion and/or backward portion of gutter 105. Back flange 110 may include weight recess 114. Back flange 110 may extend substantially backward from a bottom portion and/or backward portion of gutter 105. Weight recess 114 may receive or be configured to receive removable weight 116, which will be described in greater detail herein. Weight recess 114 may extend downward from back flange 110. For example, weight recess 114 may extend down in a parallel direction of a plane of a frontal surface of striking face portion 102. Weight recess 114 may be asymmetrical. For example, weight recess 114 may have more of a recess heelward than toeward from a geometric center, or vice versa based on removable weight 116. In some embodiments, the asymmetry may be forward or backward from the geometric center. Matching the shape, size, and/or dimension of weight recess 114 to removable weight 116 may reduce, prevent or otherwise stop unwanted movement of removable weight 116 in the installed position and/or reduce, prevent or otherwise stop unwanted sound of removable weight 116 in the installed position.
Sole 108 may extend substantially downward away from back flange 110 toward striking face portion 102. For example, sole 108 may extend downward from a backward portion of back flange 110 to a bottom portion of striking face portion 102. Sole 108 may extend substantially backward from a bottom portion of striking face portion 102 to back flange 110. Sole 108 may include weight recess 114 and toeward sole portion 129. Weight recess 114 may be between an exterior surface of sole 108 and striking face portion 102. Toeward sole portion 129 may refer to a toeward portion of sole 108. Toeward sole portion 129 may include fastener through hole 130. Fastener through hole 130 may extend into weight recess 114. For example, fastener through hole 130 may extend from toeward sole portion 129 heelward into weight recess 114. Fastener through hole 130 may be accessible to weight recess 114. In some embodiments, fastener through hole 130 may be recessed as compared to surrounding regions of golf club head 100. Referring to
Referring to
Removable weight 116 may include a metal, a plastic, and/or a composite. In some embodiments, removable weight 116 may be a multi-material component. For example, body portion 118 may be a first material and cover portion 120 may be a second material. In some embodiments, a heelward portion of removable weight 116 may be a first material and a toeward portion of removable weight 116 may be a second material. These materials may be different from the rest of golf club head 100. In some embodiments, some of the materials may be the same as the rest of golf club head 100. In embodiments, removable weight 116 may be solid. In some embodiments, removable weight 116 may be hollow. Removable weight 116 may be between about 1.0 g to about 70.0 g. In some embodiments, removable weight 116 may be between about 2.0 g to about 35.0 g.
Body portion 118 may be a bottom portion of removable weight 116. Body portion 118 may be covered by sole 108 and/or cover portion 120 in the installed position. Body portion 118 may fit into a portion of weight recess 114 in the installed position. For example, body portion 118 may fit into a bottom portion of weight recess 114. Cover portion 120 may be a top portion of removable weight 116. Cover portion 120 may extend upward from body portion 118. Cover portion 120 may cover body portion 118 and/or weight recess 114 in the installed position. A portion of cover portion 120 may fit into a portion of weight recess 114. For example, a bottom portion of cover portion 120 may fit into a top portion of weight recess 114. In some embodiments, cover portion 120 and/or removable weight 116 may cover at least 90% of a width of upper blade portion 104, gutter 105, lower muscle portion 106, sole 108, and/or back flange 110. In embodiments, cover portion 120 and/or removable weight 116 may cover at least 75% of the width of upper blade portion 104, gutter 105, lower muscle portion 106, sole 108, and/or back flange 110. A width of body portion 118 may be less than a width of cover portion 120. For example, the width of body portion 118 may be less than 95% of the width of cover portion 120. In some embodiments, the width of body portion 118 may be less than 75% of the width of cover portion 120. In some embodiments, body portion 118 may be a different material than cover portion 120. A height of body portion 118 may be larger than a height of cover portion 120. A depth, from face-to-back, of body portion 118 may be less than a depth of cover portion 120.
Referring to
Referring to
Referring to
Removable weight 916 may include weight through hole 938. Weight through hole 938 may receive a portion of fastener 932. For example, weight through hole 938 may receive a threaded portion of fastener 932. Weight through hole 938 may be threaded to engage the threaded portion of fastener 932. Fastener through hole 930 may allow access to, or otherwise communicate with, weight through hole 938. Fastener through hole 930 may be the same circumference or size as weight through hole 938. In some embodiments, fastener through hole 930 may have a greater circumference or size as compared to weight through hole 938. Referring back to
Fastener 932 may be smaller than other fasteners discussed herein. For example, fastener 932 may be smaller in height than other fasteners discussed herein. Fastener 932 may have a single circumference throughout fastener 932. In some embodiments, fastener 932 may be similar to other fasteners discussed herein. Fastener 932 may be threaded throughout its height. A height of fastener 932 may be larger than the height of weight through hole 938. This may allow a bottom of fastener 932 to engage an interior surface of golf club head 900 near a faceward portion of weight recess 914 to secure removable weight 916 to golf club head 900. In embodiments, a top of fastener 932 may engage both a threaded portion of fastener through hole 930 and weight through hole 938 to secure removable weight 916 to golf club head 900. In some embodiments, the height of weight through hole 938 may be bigger or smaller than the height of fastener 932. Referring back to
Golf club head 1300 may include fastener through hole 1330. For example, back flange 1310 may include fastener through hole 1330. Fastener through hole 1330 may not be threaded. In some embodiments, fastener through hole 1330 may be fully or partially threaded. Fastener through hole 1330 may be centered along a width of removable weight 1316. In some embodiments, fastener through hole 1330 may be centered on a CG of removable weight 1316 or a geometric center of removable weight 1316, though it should be appreciated that fastener through hole 1330 may be otherwise located, shaped, sized, and/or dimensioned without departing from the spirit and scope of the presently disclosed technology. Referring to
Referring to
Removable weight 1316 may include body portion 1318, cover portion 1320, and weight through hole 1338. Removable weight 1316 may be curved. For example, referring to
Referring back to
Referring to
Other than in at least some of the operating examples, or unless otherwise expressly specified, all of the numerical ranges, amounts, values and percentages such as those for amounts of materials, moment of inertias, center of gravity locations, loft, angles, various ratios, and others in the aforementioned portions of the specification may be read as if prefaced by the word “about” even though the term “about” may not expressly appear in the value, amount, or range. Accordingly, unless indicated to the contrary, the numerical parameters set forth in the above specification and appended claims are approximations that may vary depending upon the desired properties sought to be obtained by the presently disclosed technology. At the very least, and not as an attempt to limit the application of the doctrine of equivalents to the scope of the claims, each numerical parameter should at least be construed in light of the number of reported significant digits and by applying ordinary rounding techniques.
Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the presently disclosed technology are approximations, the numerical values set forth in the specific examples are reported as precisely as possible. Any numerical value, however, inherently contains certain errors necessarily resulting from the standard deviation found in their respective testing measurements. Furthermore, when numerical ranges of varying scope are set forth herein, it is contemplated that any combination of these values inclusive of the recited values may be used.
While various embodiments of the disclosed technology have been described above, it should be appreciated these are examples only, and not limiting. Likewise, the various figures may depict an example configuration or structure to aid in understanding the features and functionality that can be included in the disclosed technology. The presently disclosed technology is not intended to be restricted to the illustrated example configurations and structures, and the desired features can be implemented with a variety of alternative configurations and structures. It may be apparent to one of skill in the art how alternative embodiments can be implemented to impart the desired features of the presently disclosed technology. Therefore, it will be understood that the appended claims are intended to cover all such modifications and embodiments, which would come within the spirit and scope of the presently disclosed technology.
While the presently disclosed technology may be described herein in terms of various exemplary embodiments, it should be understood that the various features described in any individual embodiment is not limited to its particular embodiment, and can be applied, whether alone or in combinations with features of other embodiments, to another embodiment, whether or not such an embodiment is described herein or described as part of a single embodiment. Thus, the breadth and scope of the presently disclosed technology should not be limited to any of the above-described exemplary embodiments.
Words, phrases, and their variations that are used herein, unless otherwise expressly stated, should be construed as open ended, not as limiting. For example, the term “include” should be read to mean “include, without limitation”; the term “example” should be read to mean the following provides exemplary instances, not an exhaustive or limiting list thereof; “a” or “an” should be read as meaning “at least one,” “one or more” etc.; and “traditional,” “normal,” and similar terms should not be construed as limiting to a given time period, but should be read to encompass traditional, normal, like technologies that may be known now or at any future point. In addition, references herein to technologies that would be apparent or known to one of ordinary skill in the art includes such technologies that are apparent or known to one of ordinary skill in the art now or at any time in the future.
The presence of words and phrases such as “one or more,” “at least,” “not limited to,” or other similar phrases shall not be read to necessarily mean that the narrower case is intended in instances where such broadening phrases may be absent. The presence of words such as “first,” “second,” or other similar words shall not be read to mean that there can only be one or two elements.
Claims
1. A golf club head, comprising:
- a striking face portion;
- a back portion comprise: an upper blade portion; a gutter extending downward from the upper blade portion; and a lower muscle portion extending downward from the gutter, wherein the lower muscle portion comprises: a back flange, wherein the back flange comprises a weight recess; and a sole extending backward from a lower portion of the striking face portion to the back flange, wherein the sole comprises a toeward sole portion, wherein the toeward sole portion comprises a fastener through hole accessible to the weight recess,
- a removable weight to fit into the weight recess, comprising: a body portion covered by the sole in an installed position, wherein the body portion fits into a portion of the weight recess; and a cover portion to cover the weight recess in the installed position, wherein a width of the body portion is less than a width of the cover portion;
- wherein a width of the removable weight is more than about 80% of a width of the back flange; and
- a fastener to secure the removable weight in the installed position, and wherein a portion of the fastener engages a toeward portion of the body portion in the installed position.
2. The golf club head of claim 1, wherein the body portion comprises a body through hole to engage the first portion of the fastener.
3. The golf club head of claim 1, wherein the removable weight comprises a metal.
4. The golf club head of claim 3, wherein the metal comprises one of tungsten, steel, titanium, aluminum, scandium, zinc, nickel, copper, and iron.
5. The golf club head of claim 1, wherein the fastener comprises a fastener axis, and wherein the fastener axis is perpendicular to an exterior surface of the back flange.
6. The golf club head of claim 1, wherein the fastener comprises a fastener axis running along a heel-to-toe direction.
7. The golf club head of claim 1, wherein a width of the body portion is about 25% of a width of the cover portion.
8. The golf club head of claim 1, wherein a height of the body portion is larger than a height of the cover portion.
9. The golf club head of claim 1, wherein a depth of the body portion is less than a depth of the cover portion.
Type: Application
Filed: Nov 25, 2025
Publication Date: Apr 30, 2026
Applicant: Acushnet Company (Fairhaven, MA)
Inventors: Ryan E. Locke (San Diego, CA), Kevin Tassistro (San Marcos, CA), Ronald K. Hettinger (Oceanside, CA), Richard L. Cleghorn (Oceanside, CA)
Application Number: 19/400,744