[특허]Golf club shaft

[미국특허] Golf club shaft 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A63B-053/16
출원번호	US-0939439 (2013-07-11)
등록번호	US-8900067 (2014-12-02)
발명자 / 주소	Beach, Todd P. DeShiell, Drew T. Lorentzen, John Francis
출원인 / 주소	Taylor Made Golf Company, Inc.
대리인 / 주소	Klarquist Sparkman, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 36

초록 ▼

An adjustable length golf club shaft having a grip portion with an end point is disclosed. A locking element is located within the grip portion and a lower shaft having an inner surface that is in frictional contact with the locking element is also disclosed. The locking element is configured to engage the inner surface of the lower shaft. A total length of the golf club shaft is adjustable by a distance of at least one inch and a total weight of the golf club shaft in a weight zone is less than 110 g. The weight zone is defined as a region of the golf club shaft extending from the end point of the grip portion up to 11″ along a central axis of the golf club shaft toward a tip portion of the shaft.

대표청구항 ▼

1. An adjustable length golf club shaft for a wood-type club comprising: a grip portion, the grip portion having an end region including an end point and further includes an upper shaft and grip cover;a locking element located within the grip portion; anda lower shaft having an inner surface that is in frictional contact with the locking element, wherein the locking element is configured to engage the inner surface of the lower shaft, wherein a total length of the golf club shaft is adjustable by a distance of at least one inch and a total weight of the golf club shaft in a weight zone is less than 110 g when the shaft is in a fully retracted position, the weight zone being defined as all portions of the golf club shaft that are located between the end point of the grip portion to 11″ along a central axis of the golf club shaft toward a tip portion of the shaft;wherein the golf club shaft can withstand torsional forces of at least 10 N-m and axial forces of at least 500 N when applied to the longitudinal axis of the shaft. 2. The adjustable length golf club shaft of claim 1, wherein the total weight of the golf club shaft in the weight zone is less than 85 g. 3. The adjustable length golf club shaft of claim 1, wherein the total weight of the golf club shaft in the weight zone is less than 75 g. 4. The adjustable length golf club shaft of claim 1, wherein the total weight of the golf club shaft in the weight zone is less than 65 g. 5. The adjustable length golf club shaft of claim 1, wherein the total weight of the golf club shaft in the weight zone is less than 55 g. 6. The adjustable length golf club shaft of claim 1, wherein the grip portion further includes a first anti-rotation element and the lower shaft further includes a second anti-rotation element, wherein the first and second anti-rotation elements engage to prevent rotation of the grip portion relative to the lower shaft. 7. An adjustable length golf club shaft for a wood-type club comprising: an engaging mechanism;a grip portion connected with the engaging mechanism, the grip portion including an upper shaft portion having an outside diameter of less than 0.700″;a shaft connected with the engaging mechanism and being configured to rotate upon movement by the engaging mechanism;a locking element connected with the shaft, the locking element including at least one locking insert and at least one locking collar located on the at least one locking insert, the at least one locking insert being configured to engage the at least one locking collar during axial movement; anda lower shaft having an inner surface that is in frictional contact with the at least one locking collar, the lower shaft including an outside diameter of greater than 0.450″, wherein a first rotational movement in a first rotational direction by the shaft causes the at least one locking insert to engage the at least one locking collar creating a frictional locking engagement between the at least one locking collar and the inner surface of the lower shat;wherein the golf club shaft can withstand torsional forces of at least 10 N-m and axial forces of at least 500 N when applied to the longitudinal axis of the shaft. 8. An adjustable length wood-type golf club comprising: a golf club head;a golf club shaft connected with the golf club head;an engaging mechanism connected with the golf club shaft;a grip portion connected with the engaging mechanism, the grip portion having an end region including an end point and further includes a grip cover and upper shaft;a drive shaft connected with the engaging mechanism and being configured to rotate upon movement by the engaging mechanism;a locking element connected with the drive shaft;a total length of the golf club shaft, the total length of the golf club shaft being adjustable by a distance of at least one inch and a total weight of the golf club shaft within a weight zone is less than 110 g when the shaft is in a fully retracted position, the weight zone being defined as a region of the golf club shaft extending from the end point of the grip portion to 11″ along a central axis of the golf club shaft; anda lower shaft having an inner surface that is in frictional contact with the locking element, wherein a first rotational movement in a first rotational direction by the drive shaft causes the locking element to engage the inner surface of the lower shaft and a second rotational movement in a second rotational direction by the drive shaft causes the locking element to disengage from the inner surface of the lower shaft;wherein the golf club can withstand torsional forces of at least 10 N-m and axial forces of at least 500 N when applied to the longitudinal axis of the shaft.

이 특허에 인용된 특허 (36) 인용/피인용 타임라인 분석

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Heath Jeffrey R. (746 Fruithurst Dr. Pittsburgh PA 15228) Stevens Rodney (836 Fruithurst Dr. Pittsburgh PA 15228), Adjustable golf shaft.
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Chol, Kim, Adjustable length and torque resistant golf shaft.
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Butler,William B., Adjustable length belly putter.
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Moore,Simon Garry, Adjustable length golf putter with self locking design.
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Thomas Robert K. (69 Rockland St. Malone NY 12953), Adjustable length shaft for a golf putter.
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Bruce P. McKendry ; Lorin P. Olson, Adjustable length shaft for golf clubs, and the like.
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Jacoby,Mark Robert, Adjustable shaft-extension apparatus for golf club putters.
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Hannon Richard H. (Oceanside CA) Wagner Carl T. (Encinitas CA), Alignment-oriented golf club.
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Ashida,Hiroki; Ishii,Takashi; Hironaka,Susumu, Fiber reinforced plastic golf shaft.
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Visalli William R. (1027 Black Diamond Way Lodi CA 95240), Golf club extender.
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Storper Lars I. (Emil Reesensvej 37 DK-7500 Holstebro DKX), Golf club grip.
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Mazzocco Thomas R. (Granada Hills CA) Frenchik ; Jr. Michael H. (Canoga Park CA), Golf club having adjustable length shaft.
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Lee Raymond H. (19035 Amber Valley Dr. Walnut CA 91789), Golf club putter having adjustable lie angle and shaft length.
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Demkowski, Paul M.; Sugimae, Ryuichi; Walker, Michael; Wahl, Bret H.; DeShiell, Drew T.; Sentianin, Eric Michael; Ines, Marni D.; Schartiger, Chris, Golf club shaft.
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Walton Thomas C. (Pepperell MA) Fenton Frank (South Hadley MA), Golf club shaft having selective reinforcement.
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Hodgetts, George W, Golf club shaft tuner.
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Shenoha James L. ; Scheie Carl E. ; Garrett ; Jr. Frank, Golf club with oversize shaft.
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Siemsglusz, Michael C., Golf putter.
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Nemeckay,Stephen, Golf putter and method of converting.
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Murray,Dean D., Golf putter length adjustment holder device.
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Smolenski Gregg J., Insert for golf club bag having an improved cover and an adjustable length shaft assembly.
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McDonald, Mark, Interchangeable golf club system.
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Fenton Frank (South Hadley MA) Walton Thomas C. (Pepperell MA) Meyer Jeffrey W. (Escondido CA) Lopez Nathan A. (San Marcos CA), Large-tip composite golf shaft.
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Fendel Edwin B. ; Ferraro Albert B. ; Greene ; Jr. Alfred J., Light-weight handle.
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Taylor Curtis E., Locking mechanism for telescopically adjustable extension pole.
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Wilkinson William T., Multi purpose exercise/sport poles with many optional attachments and a method of exercising.
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Napolitano Anthony P. (83 W. Windsor Pkwy. Oceanside NY 11572) Troiano Carl E. (107 Shore Rd. Lindenhurst NY 11757), Practice golf club having a collapsible and adjustable length shaft.
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Tseng Yun-Chih,TWX, Quick coupling arrangement for a telescopic shaft.
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Thomas, James S.; Stites, John Thomas; Tavares, Gary G.; Contini, Vincent J.; Sander, Raymond J.; Prescott, James; Fortner, Brian, Releasable and interchangeable connections for golf club heads and shafts.
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Tylosky, Gordon, Self-locking linear adjustment mechanism.
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Bergkvist,Lars; Mogren,Lars; Nyman,Markus; Petersson,Mathias; Svensson,Andreas, Steering shaft coupling for automotive vehicle.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
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[미국특허] Golf club shaft 원문보기