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US6089994A Expired / Lapsed US ⏱️ 0.0 years remaining

Golf club head with selective weighting device

Assignee: Individual
•
Filing: 1998-09-11
•
Granted: 2000-07-18
•
Expires: 2018-09-11
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Abstract

Abstract A weighting insert has a plurality of weights installed therein which are arranged in a circular configuration. Certain ones of these weights are made of a different material than the others, such material having a different density, thus making for a substantially different weight. A golf club head has a receptacle in its sole. This receptacle has a plurality of apertures arranged in a circular configuration formed therein. The insert has a key formed therein which is adapted to fit into any one of said apertures. The weighting device can be rotated to position the key in a selected one of the apertures and the insert removably attached to the sole in this selected position. In this manner the weighting of the sole of the golf club head can be varied, as desired. The weights can either be permanentaly installed in the insert or can be removable for selective positioning.

Inventors

  • 👤 Donald J. C. Sun

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 19:33
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/0433; A63B53/0466; A63B53/06; A63B60/00; A63B60/02; A63B2053/0491; A63B60/50

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 148 words
In a golf club head having a sole portion with a circular receptacle formed therein, a weighting device for use in selectively adjusting the weighting of said head to change the center of gravity thereof comprising: a circular weighting insert member having a plurality of weights installed therein and running therearound in a circular configuration, selective ones of said weights having a different density and weight that the others of said weights, means for selectively installing said insert member in said receptacle in any one of a plurality of circular positions, each of said positions giving said head a different center of gravity, said installing means comprising a plurality of apertures formed in said receptacle in a circular configuration and a key formed in said insert member adapted to fit into any one of said receptacle apertures, and means for removably retaining said insert member in said receptacle.
Claim 2
Dependent Claim 148 words
In a golf club head having a sole portion with a circular receptacle formed therein, a weighting device for use in selectively adjusting the weighting of said head to change the center of gravity thereof comprising: a circular weighting insert member having a plurality of weights installed therein and running therearound in a circular configuration, selective ones of said weights having a different density and weight that the others of said weights, means for selectively installing said insert member in said receptacle in any one of a plurality of circular positions, each of said positions giving said head a different center of gravity, said installing means comprising a plurality of apertures formed in said receptacle in a circular configuration and a key formed in said insert member adapted to fit into any one of said receptacle apertures, and means for removably retaining said insert member in said receptacle.
Claim 3
Dependent Claim 16 words
The device of claim 1 wherein said weights are removably installed in said weighting insert member.
Claim 4
Dependent Claim 16 words
The device of claim 1 wherein said weights are permanently installed in said weighting insert member.
Claim 5
Dependent Claim 31 words
The device of claim 1 wherein said means for removably retaining said weight member in said receptacle comprises a screw which fits through said weight member and threadably engages said receptacle.
Claim 6
Dependent Claim 25 words
The device of claim 1 wherein said weights are of a material selected from the group consisting of plastic, titanium, aluminum, brass, copper, and tungsten.

References Cited (Backward Citations)

US4043563A Cited
US4695054A Cited
US5013041A Cited
US5050879A Cited
US5154424A Cited
US5273283A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2003-07-18 2004-01-17 2004-07-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-07-18 2008-01-17 2008-07-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-07-18 2012-01-17 2012-07-18 $7700.00 Window Closed / Lapsed

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