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Publication numberUS20040166959 A1
Publication typeApplication
Application numberUS 10/369,735
Publication dateAug 26, 2004
Filing dateFeb 21, 2003
Priority dateFeb 4, 2003
Publication number10369735, 369735, US 2004/0166959 A1, US 2004/166959 A1, US 20040166959 A1, US 20040166959A1, US 2004166959 A1, US 2004166959A1, US-A1-20040166959, US-A1-2004166959, US2004/0166959A1, US2004/166959A1, US20040166959 A1, US20040166959A1, US2004166959 A1, US2004166959A1
InventorsChan-Tung Chen
Original AssigneeFu Sheng Industrial Co., Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Impact absorber for a golf club head
US 20040166959 A1
Abstract
An impact absorber for a golf club head. The impact absorber for a golf club head in the invention comprises a main body and a chamber. The main body comprises a striking plate, and the chamber is adapted to receive viscous damping liquid. Thereby, the damping liquid can absorb vibration and impact energy of the main body when striking a golf ball.
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Claims(16)
What is claimed is:
1. An impact absorber for a golf club head, comprising:
a main body having a striking plate and a necked portion; and
a chamber formed in the main body, which contains damping liquid to absorb impact energy when a golf ball impacting the main body.
2. The impact absorber for a golf club head as claimed in claim 1, wherein the damping liquid is consisted of water, oil, colloid liquid, non-corrosive solution, organic solution, viscous solution, and mixture thereof.
3. The impact absorber for a golf club head as claimed in claim 1, wherein the main body is a wood club head.
4. The impact absorber for a golf club head as claimed in claim 1, wherein the main body is made of an iron club head.
5. The impact absorber for a golf club head as claimed in claim 1, wherein the main body is a putter golf club head.
6. The impact absorber for a golf club head as claimed in claim 3, wherein an opening is formed in the main body, and the chamber is formed in the opening.
7. The impact absorber for a golf club head as claimed in claim 4, wherein a cavity is formed in the main body, and the camber is formed in the cavity.
8. The impact absorber for a golf club head as claimed in claim 1, wherein the chamber is in a position adjoined the main body and the striking plate.
9. The impact absorber for a golf club head as claimed in claim 1, wherein the camber is-formed on a rear surface of a sweet spot on the striking plate.
10. The impact absorber for a golf club head as claimed in claim 1, wherein the chamber is formed in a position proximal the necked portion.
11. The impact absorber for a golf club head as claimed in claim 1, wherein the chamber further comprises an extending portion to obtain an increased inner space thereof, thereby obtaining increase amount of the damping liquid.
12. The impact absorber for a golf club head as claimed in claim 1, wherein the chamber is hidden in the main body.
13. The impact absorber for a golf club head as claimed in claim 1, wherein the chamber is integrated into the main body.
14. The impact absorber for a golf club head as claimed in claim 1, wherein the chamber is welded to the main body.
15. The impact absorber for a golf club head as claimed in claim 1, wherein a hole is formed on the chamber for filling the damping liquid into the chamber.
16. The impact absorber for a golf club head as claimed in claim 15, wherein the hole is sealed by adhesives or sealing components.
Description
BACKGROUND OF THE INVENTION

[0001] 1. Field of the Invention

[0002] The present invention relates to an impact absorber for a golf club head, and in particular to an impact absorber for a golf club head having a chamber to contain damping liquid thereby absorbing impact energy when striking a golf ball.

[0003] 2. Description of the Related Art

[0004] The conventional golf club head, as shown in FIGS. 1 and 2, is an iron club head, which mainly comprises a main body 11, a striking plate 12 and a necked portion 13. An opening 14 is formed in the main body 11 and connected a front side to a rear side. The striking plate 12 is combined with the main body 11 by welding or embedding it in the opening 14. The necked portion 13 is adapted to hold a shaft (not shown). When striking a golf ball, the club head is swung and the striking plate 12 is hit a ball by the striking force. So then a simultaneous reacting force (i.e. striking stress) is affected on the striking plate 12 that may cause vibration and shock on the golf club. Although most of the striking stress or impact energy is absorbed or reduced by the structure of the main body 11 and the opening 14, the unabsorbed impact energy may transmit through the shaft to the handle (not shown). This causes an uncomfortable condition in user's hand when striking, and even damages the structural strength of the golf club. Therefore, an improvement structure of golf club head is required.

[0005] Hence, the golf club head in the invention is provided with a chamber to contain damping liquid for absorbing the impact energy when striking. Thereby, this can enhance swinging feel in user's hand and furthermore avoid damage to the structural strength of golf club head.

SUMMARY OF THE INVENTION

[0006] Accordingly, an object of the invention is to provide an impact absorber for a golf club head, wherein viscous damping liquid is provided for absorbing or reducing the shock or vibration when striking to enhance swinging feel in user's hand.

[0007] Another object of the invention is to provide an impact absorber for a golf club head, wherein viscous damping liquid is provided for absorbing or reducing the shock or vibration when striking to prolong the useful life of golf club head.

[0008] Accordingly, the impact absorber for a golf club head of the invention comprises a main body and a chamber. The main body has a striking plate, and the chamber is formed in the main body for containing damping liquid. When striking a ball, the viscosity of the damping liquid serves as a damper to absorb or reduce shock or vibration generated on the golf club head.

[0009] A detailed description is given in the following embodiments with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention can be more fully understood by reading the subsequent detailed description and examples with references made to the accompanying drawings, wherein:

[0011]FIG. 1 is a perspective view of a conventional golf club head in accordance with the prior art;

[0012]FIG. 2 is a rear view of the conventional golf club head in accordance with the prior art;

[0013]FIG. 3 is a perspective view of an impact absorber for a golf club head of a first embodiment of the present invention;

[0014]FIG. 4 is a cross-sectional view, taken along line 4-4 in FIG. 3, of the impact absorber for the golf club head of the first embodiment of the present invention;

[0015]FIG. 5 is a perspective view of an impact absorber for a golf club head of a second embodiment of the present invention; and

[0016]FIG. 6 is a cross-sectional view, taken along line 6-6 in FIG. 5, of the impact absorber for the golf club head of the second embodiment of the present invention.

DETAILED DESCRIPTION OF THE INVENTION

[0017] Referring to FIG. 3, the first embodiment of the invention, an impact absorber for golf club head comprises a main body 11 and a chamber 15. The main body 11 has a striking plate 12, and the chamber 15 is formed in an appropriate position to receive damping liquid 16. When an impact of the golf ball hitting on the main body 11, the damping liquid in the chamber 15 is able to absorb the impact energy and thereby reducing the shock or vibration.

[0018] Referring to FIGS. 3 and 4, the details of the main body 11 and the chamber 15 are shown. The main body 11 is a forged or cast iron club head, and a striking plate 12 is welded thereto or embedded therein. A necked portion 13 is formed on one side of the main body 11 to hold a shaft (not shown). An opening 14 is formed in the main body 11 and connected a front side to a rear side. The chamber 15 is preferably formed in an appropriate position of the main body 11, particularly located in the opening 14, and adjoined the striking plate 12 and main body 11. The chamber 15 is usually a frame member, which is made of metal, and alternatively welded to or integrated into the main body 11. At least one hole 151 is provided for filling damping liquid 16 into the chamber 15. The chamber 15 is sealed with adhesives or a seal member. The chamber 15 is filled up with damping liquid 16 so as to avoid liquid vibration. The damping liquid 16 is preferably consisted of water, oil, colloid liquid, non-corrosive solution, organic solution, viscous solution, and mixture thereof. Compared with solid such as metal, alloy etc, the damping liquid has higher viscosity and hence has better ability to absorb impact energy. Therefore, when striking a golf ball with the main body 11, the damping liquid 16 in the chamber 15 can indeed absorb or reduce the shock or vibration caused by reacting force (striking stress). This may enhance swinging feel in user's hand and furthermore avoid damage to the structural strength of the golf club head and prolong the useful life of the golf club head.

[0019] Furthermore, the chamber 15 can optionally be formed in any position in the main body 11, for example a rear surface of the sweet spot of the striking plate 12 or in a position located in the opening 14, and proximal the necked portion 13. The chamber 15 may be sized appropriate, depending on the requirements. The chamber 15 may have an extending portion 152 to obtain more inner space for containing increase amount of damping liquid 16. Furthermore, the chamber 15 can also be embedded and hidden in the main body 11.

[0020] Referring to the FIGS. 5 and 6, the detailed structures of the main body 21 and the chamber 25 of the second embodiment of the invention are shown. The main body 21 is a forged, cast or welded to form a wood club head. A stepped portion 211 is provided on the front of the main body 21 for assembling with a striking plate 22 by welding or embedding. A necked portion 23 is formed on the side of the main body 21 to hold a shaft (not shown). A cavity 24 is formed in the main body 21. Compared with the first embodiment, the chamber 25 in the second embodiment of the invention is preferably formed in an appropriate position located in the cavity 24 of the main body 21, particularly located on a bottom surface of the cavity 24, and adjoined the striking plate 22 and main body 21. The chamber 25 is alternatively welded to or integrated into the main body 21. At least one hole 251 is formed for filling damping liquid 26 into the chamber 25 and sealed by adhesives or sealing components. The hole 251 of the chamber 25 can be optionally formed on the outer surface of the main body 21 or an outer surface of the chamber 25 facing the cavity 24. Thereby, when striking a golf ball with main body 21, the damping liquid 26 in the chamber 25 is able to absorb or reduce shock or vibration caused by the reacting force (striking stress).

[0021] Furthermore, the chambers 15, 25 in the invention can be formed by welding to, embedding in or integrating into a putter club head (not shown) to reduce the shock or vibration.

[0022] Referring to FIGS. 1 and 3, the impact absorber for a golf club head in the invention is provided with a chamber 15 filled with viscous damping liquid 16 in the main body 11 to absorb or reduce shock while striking. Compared with conventional golf club head incapable of absorbing impact energy effectively, the impact absorber for a golf club head in the invention indeed enhances swinging feel in user's hand and prolongs the useful life thereof.

[0023] While the invention has been described by way of example and in terms of the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. To the contrary, it is intended to cover various modifications and similar arrangements (as would be apparent to those skilled in the art). Therefore, the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and similar arrangements.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7281988 *Apr 1, 2005Oct 16, 2007Nelson Precision Casting Co., Ltd.Vibration-absorbing weight system for golf club head
US7281989 *Feb 1, 2006Oct 16, 2007Fu Sheng Industrial Co., Ltd.Golf club head with gas cushion
US7326127 *Jun 14, 2004Feb 5, 2008Fu Sheng Industrial Co., Ltd.Golf club head with gas cushion
US7621822 *Sep 1, 2006Nov 24, 2009Acushnet CompanyIron golf club with improved mass properties and vibration damping
US7749100Jul 11, 2006Jul 6, 2010Nike, Inc.Golf clubs and golf club heads having fluid-filled bladders and/or interior chambers
US7789771Feb 15, 2008Sep 7, 2010Sri Sports LimitedGolf club head
US7938738Nov 19, 2009May 10, 2011Cobra Golf IncorporatedIron golf club with improved mass properties and vibration damping
US8016691Apr 9, 2009Sep 13, 2011Nike, Inc.Golf club head or other ball striking device having stiffened face portion
US8152651Apr 25, 2011Apr 10, 2012Cobra Golf IncorporatedIron golf club with improved mass properties and vibration damping
US8192301Jul 16, 2010Jun 5, 2012Sri Sports LimitedGolf club head
US8221263May 27, 2010Jul 17, 2012Nike, Inc.Golf clubs and golf club heads having fluid-filled bladders and/or interior chambers
US8366567May 4, 2012Feb 5, 2013Sri Sports LimitedGolf club head
US8403769Aug 22, 2011Mar 26, 2013Nike, Inc.Golf club head or other ball striking device having stiffened face portion
US8632421Dec 27, 2012Jan 21, 2014Sri Sports LimitedGolf club head
US8808106Jul 16, 2012Aug 19, 2014Nike, Inc.Golf clubs and golf club heads having fluid-filled bladders and/or interior chambers
WO2008008175A2 *Jun 27, 2007Jan 17, 2008Nike IncGolf clubs and golf club heads having fluid-filled bladders and/or interior chambers
WO2010118076A1 *Apr 7, 2010Oct 14, 2010Nike International Ltd.Golf club head or other ball striking device having face with stiffening. elements with chamber
Classifications
U.S. Classification473/326, 473/332
International ClassificationA63B59/00, A63B53/04
Cooperative ClassificationA63B53/04, A63B59/0092
European ClassificationA63B53/04
Legal Events
DateCodeEventDescription
Feb 21, 2003ASAssignment
Owner name: FU SHENG INDUSTRIAL CO., LTD., TAIWAN
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHEN, CHAN-TUNG;REEL/FRAME:013806/0389
Effective date: 20030213