WO2007086759A1 - Mécanisme ajustable permettant d'attacher deux tiges - Google Patents

Mécanisme ajustable permettant d'attacher deux tiges Download PDF

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Publication number
WO2007086759A1
WO2007086759A1 PCT/NZ2007/000010 NZ2007000010W WO2007086759A1 WO 2007086759 A1 WO2007086759 A1 WO 2007086759A1 NZ 2007000010 W NZ2007000010 W NZ 2007000010W WO 2007086759 A1 WO2007086759 A1 WO 2007086759A1
Authority
WO
WIPO (PCT)
Prior art keywords
spring
shaft
shafts
outer diameter
diameter
Prior art date
Application number
PCT/NZ2007/000010
Other languages
English (en)
Inventor
Simon Garry Moore
Original Assignee
Puku Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from NZ551189A external-priority patent/NZ551189A/en
Application filed by Puku Limited filed Critical Puku Limited
Priority to CN2007800077957A priority Critical patent/CN101395387B/zh
Priority to US12/162,079 priority patent/US7871337B2/en
Priority to EP07709246.8A priority patent/EP1982077B1/fr
Publication of WO2007086759A1 publication Critical patent/WO2007086759A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/007—Putters
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/14—Handles
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/10—Telescoping systems
    • F16B7/14—Telescoping systems locking in intermediate non-discrete positions
    • F16B7/1481—Telescoping systems locking in intermediate non-discrete positions with a gripping helical spring
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/0085—Telescopic shafts

Definitions

  • This invention relates to a friction mechanism.
  • the present invention relates to friction mechanism used to attach two shafts together.
  • the present invention is used to attach shafts with respect to each other in variable positions.
  • Canadian Patent Number 2,076,821 relates to an umbrella shaft which uses a spring to position to the shafts relative to each other, so that the shaft can effectively telescope.
  • this is not a strong or fixed engagement as this relies on the use of pawls at the end of the spring to hold the shafts. There is no strong frictional engagement.
  • Golf is a popular recreational game, the object of which is to be able to direct a golf ball into a hole on a green. This is usually done by using a specialised golf club called a putter.
  • Putters come in various forms, commonly called either short, mid (or belly) or long putters. While each of these different types of putters are used differently, a common disadvantage to all is that depending on the height of the golfer, different lengths of putters are required.
  • Mazzocco US Patent 4,674,747, discloses a golf club having adjustable length shaft retractable between fully extended a collapsed positions.
  • the golf club has plural concentric telescopic interlocking tubular sections which produce a friction lock between the tubular sections in a fully extended positions.
  • There is a club commercially available utilizing this principle http://www.allinoneglofclub.com).
  • Sundin US Patent 5,584,769, describes a shaft which can be constructed of two or more telescopically-adjustable or collapsible members to allow the same to adjust to different lengths for individual golfers. However, Sundin does not specify how the two shafts are to be secured in position.
  • Woods and irons must not be designed to be adjustable except for weight. Putters may be designed to be adjustable for weight and some other forms of adjustability are also permitted. All methods of adjustment permitted by the
  • This invention is the first invention ever that has been approved by the United States Golf Association for a length adjustable putter. Problems with previous friction mechanisms include the external bulky nature of the mechanism. This extends out of the shaft and prevents a grip being fitted over the join / mechanism.
  • an adjustable mechanism including at least two shafts, one of which is hollow, characterised in that the mechanism includes, a spring attached to a first shaft,
  • the spring having an outer diameter of similar dimensions to the internal diameter of the second shaft
  • the spring configured such that once force is applied to the spring its outer diameter is less than the inner diameter of the second shaft
  • disengagement of the spring engagement may achieve the last step. However, this is not necessary.
  • shaft as used throughout this specification should be taken as meaning an internal wall.
  • the internal wall is irrespective of the surrounding material.
  • shaft may include a hole cut through a flat piece of material or plate/engine housing.
  • the hole acts as the shaft, and contains the necessary internal diameter which allows the present invention to work.
  • the shaft is a hollow length of material, such as a golf club handle.
  • kitset which includes
  • a spring engagement tool capable of engaging the spring and applying force to same.
  • the present invention has applications far beyond this narrow field and while the present invention is especially suited for golf clubs, it can have application in other areas. These areas can include ladders, scaffolding and props in building industries, bicycle seat posts, furniture, walking canes, tent poles, machine tool holders/chucks, ski poles and other consumer products.
  • the shafts are envisaged to be of a similar width and type as those from which a traditional golf club is made.
  • the shaft may be split, but in a manner that will still resist the outer forces of the spring therein - thereby still ensuring that a friction fit is achieved.
  • anchored should be taken to include instances where the spring is manufactured independently and subsequently joined to the shaft, as well as instances where the spring is formed integrally with, or cut out of the shaft.
  • the spring depends directly from the end of one of the shafts. This should not be seen as limiting, as the spring may be a separate item capable of attaching to one or both of the shafts in the securing action.
  • the spring may be formed integrally with, or formed or cut out of the shaft.
  • the spring is attached to the shaft, this may be by a number of means.
  • the spring may be welded thereto or adhered with an adhesive, or frictionally engaged by winding into the shaft or housing hole as the case may be.
  • spring may be taken to be a coiled spring as commonly visualized, attached or integral, or an element, attached or integral, which acts like a spring in some manner, by altering its length and external dimension.
  • one end of the spring has been wound into the shaft and permanently secured there within.
  • a filler material which holds the spring against the shaft, or it may be that the frictional fit between the outer diameter of the spring and the internal diameter of the shaft is sufficient to hold it firmly in place.
  • both shafts with respect to each other will be substantially the same so that the putter shaft once assembled has a relatively smooth outside with little evidence of it being made out of two or more shaft lengths.
  • the second shaft may have an inner diameter which is greater than the outer diameter of the first shaft. This allows the second shaft to pass over the spring and the first shaft. This particular embodiment is most suitable for a telescoping action for the shaft length.
  • the purpose of the present invention may not be to have the shafts form different lengths when combined, but merely a way to have a means by which a golf putter can be readily assembled and dismantled.
  • the outer diameter of the shafts may be substantially the same as each other and the ends thereof may abut when the shafts are fitted over the spring.
  • the spring will have an outer diameter of a similar dimension to the inner diameter to the shaft into which it is to be fixed.
  • similar diameter should be taken to mean that the spring is capable of having its diameter reduced for insertion into the shaft, but once the shaft is in position, the natural outer diameter of the spring is of a size that will be against the shaft forming a frictional fit, but without substantially deforming same.
  • the spring may be made of any dimensions or configurations to enable it to be forced in order to reduce its outer diameter for insertion to the shaft, and then upon release expand to a suitable size that fits within the shaft.
  • the outer diameter of the spring may be reduced by various means.
  • the end of the spring may be pulled by the spring engagement tool causing the spring to stretch and likewise the outer diameter of the spring to reduce.
  • a torsional or twisting action can be applied to the spring causing the spring to wind in tighter and likewise have its outer diameter reduced.
  • one or both ends of the spring may have a smaller outer diameter than the centre of the spring. This may be used to gradually introduce the spring inside a shaft enabling the spring to then gain purchase on the inside of the shaft before the larger diameter part of the spring is introduced thereto.
  • a tool which can apply a force to the spring, thus causing the spring's outer diameter to reduce.
  • the tool includes a handle attached to an elongate shaft, and at the distal end thereof there is a spring engaging mechanism.
  • the handle of the tool is of a shape and size that is easy to grasp and exert a twisting or pulling motion to the shaft of the tool.
  • the shaft of the tool is a sufficient length that the spring engaging mechanism can be passed through one end of a length of the putter shaft to be attached and emerge out from the other end thereof with the handle of the engagement tool still being accessible to the user to twist.
  • the spring engagement device at the end of the tool may come in a variety of forms.
  • the spring engagement device is merely a notch in the end of the shaft of the tool. This notch is preferably of a shape and configuration that it can fit over the spring near the end thereof and hold same during a twisting motion.
  • the notch is in the form of a key hole, requiring some force to push the notch over the spring before it is held in a slightly larger recess.
  • a golf putter can be assembled as follows. Firstly the user passes the spring engagement tool through one shaft length (say with the putter handle) of the putter so that the spring engagement mechanism at the end of the tool extends therefrom. Next, the user places another shaft (say with the putter head) with a spring already extending therefrom and aligns the substantially with handle first shaft.
  • the spring engagement notch is then pushed over the end of the spring on the putter head shaft and then rotated with respect thereto. This rotating or torsional action causes the outer diameter of the spring to reduce, particularly if the spring engagement tool is pulled from the second shaft.
  • the reduction of the outer diameter of the spring enables the handle shaft to slide down over the spring engagement tool and the spring itself.
  • the positioning of the handle shaft with respect to the spring in respect to each other can then be chosen by the user and the spring engagement tool subsequently disengaged from the spring. This enables the spring to return to bias towards its original outer diameter causing a secure friction fit by bearing against the inner diameter of the handle shaft that was placed thereover.
  • Figure 1 is a diagrammatic view of a putter in accordance with one embodiment of the present invention.
  • Figure 2 is a close up of an attachment mechanism in accordance with one embodiment of the present invention
  • Figure 3 - is a diagrammatic view of the two shafts fitted together in accordance with one embodiment of the present invention.
  • Figure 1 illustrates one embodiment of the present invention as used with a putter generally indicated by arrow (1).
  • the putter has a head (2) to which is attached a first shaft (3).
  • Extending from the first shaft (3) is a spring (4) which is permanently fixed to same.
  • a removable spring engagement tool (5) At the end of the spring (4) is a removable spring engagement tool (5).
  • the spring engagement tool (5) includes a handle (6), a shaft (7) and a spring engagement device generally indicated by arrow (8).
  • Figure 2 illustrates more clearly the spring engagement device (8) relative to the spring (4).
  • the spring engagement device (8) is in the form of a key hole shaped notch.
  • This notch is of a size and configuration that can be readily pushed over the end of the spring and remain secure thereto during a twisting action exerted upon the spring (4).
  • Figure 3 illustrates an alternative embodiment of the present invention showing the operation of the spring engagement tool (5) relative to the two shafts (3) and (9) which are to be connected.
  • the shaft (9) has a greater inner diameter than the outer diameter of the shaft (3). This allows the shaft (9) to pass over the spring (4) and the shaft (3) when being connected thereto.
  • the shaft (9) also has a spiral split (10) which enables the shaft (9) to more readily fit over the shaft (3) and then relax against thereto once in position.
  • the present invention provides an easy way to provide a variable length friction fit mechanism that can be used for shafts of golf putters and other devices.

Abstract

La présente invention concerne un mécanisme ajustable comprenant au moins deux tiges dont une creuse. L'invention est caractérisée en ce que le mécanisme comprend un ressort fixé à une première tige. Le ressort a un diamètre externe similaire aux dimensions du diamètre interne de la seconde tige. Le ressort est conçu de telle façon que son diamètre externe soit inférieur au diamètre interne de la seconde tige lorsqu'une force est exercée sur le ressort et que le ressort reprenne son diamètre externe initial pour venir s'appuyer sur la paroi délimitant le diamètre interne de la seconde tige lorsqu'il n'est soumis à une force.
PCT/NZ2007/000010 2006-01-24 2007-01-17 Mécanisme ajustable permettant d'attacher deux tiges WO2007086759A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2007800077957A CN101395387B (zh) 2006-01-24 2007-01-17 用于连接两个轴的可调节机构
US12/162,079 US7871337B2 (en) 2006-01-24 2007-01-17 Adjustable mechanism for attaching two shafts
EP07709246.8A EP1982077B1 (fr) 2006-01-24 2007-01-17 Mécanisme ajustable permettant d'attacher deux tiges

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NZ54490606 2006-01-24
NZ544906 2006-01-24
NZ551189 2006-12-20
NZ551189A NZ551189A (en) 2006-01-24 2006-12-20 Friction mechanism

Publications (1)

Publication Number Publication Date
WO2007086759A1 true WO2007086759A1 (fr) 2007-08-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2007/000010 WO2007086759A1 (fr) 2006-01-24 2007-01-17 Mécanisme ajustable permettant d'attacher deux tiges

Country Status (1)

Country Link
WO (1) WO2007086759A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009091266A2 (fr) * 2008-01-17 2009-07-23 Puku Limited Dispositif de raccord

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1182952A (en) * 1952-08-06 1953-01-15 Godfrey George William Cycle shock obsorber
US2936625A (en) * 1957-05-08 1960-05-17 George W Heiseler Self-tightening gripping device
NL7413811A (en) * 1974-10-22 1976-04-26 Researchcentrum Ogemat Helical spring coupling of outer tube to rod - has two opposite wound springs with ends in axial and transverse tube slots respectively
FR2408746A1 (fr) * 1977-11-09 1979-06-08 Aubry Alain Bague d'assemblage pour elements telescopiques

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1182952A (en) * 1952-08-06 1953-01-15 Godfrey George William Cycle shock obsorber
US2936625A (en) * 1957-05-08 1960-05-17 George W Heiseler Self-tightening gripping device
NL7413811A (en) * 1974-10-22 1976-04-26 Researchcentrum Ogemat Helical spring coupling of outer tube to rod - has two opposite wound springs with ends in axial and transverse tube slots respectively
FR2408746A1 (fr) * 1977-11-09 1979-06-08 Aubry Alain Bague d'assemblage pour elements telescopiques

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1982077A4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009091266A2 (fr) * 2008-01-17 2009-07-23 Puku Limited Dispositif de raccord
WO2009091266A3 (fr) * 2008-01-17 2009-09-11 Puku Limited Dispositif de raccord
US10413791B2 (en) 2008-01-17 2019-09-17 Puku Limited Connection device

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