WO2003009905A1 - Head for golf clubs - Google Patents

Head for golf clubs Download PDF

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Publication number
WO2003009905A1
WO2003009905A1 PCT/EP2002/007501 EP0207501W WO03009905A1 WO 2003009905 A1 WO2003009905 A1 WO 2003009905A1 EP 0207501 W EP0207501 W EP 0207501W WO 03009905 A1 WO03009905 A1 WO 03009905A1
Authority
WO
WIPO (PCT)
Prior art keywords
head
sole
head according
club
golf
Prior art date
Application number
PCT/EP2002/007501
Other languages
German (de)
French (fr)
Inventor
Urs P. Meyer
Original Assignee
Meyer Urs P
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
Application filed by Meyer Urs P filed Critical Meyer Urs P
Priority to DE50203098T priority Critical patent/DE50203098D1/en
Priority to AT02762325T priority patent/ATE295207T1/en
Priority to EP02762325A priority patent/EP1418991B1/en
Publication of WO2003009905A1 publication Critical patent/WO2003009905A1/en

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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
    • A63B53/04—Heads
    • 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
    • A63B53/04—Heads
    • A63B53/0433—Heads with special sole configurations
    • 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
    • A63B53/04—Heads
    • A63B53/0466—Heads wood-type
    • 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
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00—Characteristics of used materials
    • 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
    • A63B53/04—Heads
    • A63B53/047—Heads iron-type
    • 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
    • A63B53/04—Heads
    • A63B53/0487—Heads for putters

Definitions

  • the invention relates to a head for golf clubs, which is to be connected to the shaft of a golf club via a club neck and which has a striking surface.
  • Heads for golf clubs are known in various designs, including the basic embodiments "Woods” (wood), “Irons” (iron), “Wedges” or “Putter”.
  • Such heads for golf clubs can consist of wood, plastic, metal or a combination of at least two of these materials.
  • Heads for golf clubs of the type mentioned at the outset have proven themselves in principle.
  • heads for golf clubs in particular those with a large underside (in particular golf clubs of the "Woods" type), metal is currently used almost exclusively as the material.
  • the highest possible club head speed at the moment of contact between the ball and the golf club is required. Because the (small) golf ball, with its relatively high weight, is mostly embedded in the grass, the golf club is swung so deep that the head of the golf club brushes the ground just before and / or when the ball is touched. This contact between the head of the golf club and the ground is disadvantageous, in particular in the case of tall grass, since the head of the golf club is braked and the golf club head is shortened due to the reduced club head speed. Experience has shown that the greatest braking effect occurs when the grass is wet, which is often the case.
  • the invention is based on the object of presenting a head for golf clubs in which the braking action is reduced when the swinging head of the golf club contacts the ground, so that a high club head speed is maintained when the head of the golf club touches the golf ball. This object is achieved with the features of independent claim 1.
  • Preferred materials can be plastics, such as polyethylene, polyacetral plastic (Delrin, TM) or Teflon. It is also advantageous with these materials that they can be produced in the desired shape in a simple manner by hot stamping or injection molding.
  • the head 1 of the "Woods" type shown in the exemplary embodiment preferably consists of metal, such as steel or a titanium alloy, and has a horizontally grooved face 2, a club neck 3, by means of which the head 1 is connected to a shaft (not shown) of a golf club becomes.
  • the sole 4 of the head 1 opposite the bat neck 3, that is to say the side of the head 1 which lies opposite the bat neck 3, is provided with a three-dimensional len, fish scale-like profile provided.
  • This fish scale-like profile is, for example, an insert in the sole 4 of the head 1 made of low-friction plastic (for example polyethylene, Delrin (TM) or Teflon).
  • the drawing also shows that the scales, which form the profile on the sole 4 of the head 1, have convexly curved edges away from the face 2 of the head 1. This improves the friction-reducing effect sought according to the invention.
  • the arrangement of the scales forming the profile on the sole 4 of the head 1 is selected such that they are arranged in rows which run obliquely to the face 2 of the head 1.
  • the scales are arranged in such a way that the scales are arranged offset from one another in successive rows which run essentially parallel to the striking surface 2.
  • the sole 4 of the head according to the invention for golf clubs which carries the fish scale-like profiling, is preferably attached to the head 1 in an exchangeable manner. This can be achieved, for example, by screwing or gluing.
  • An advantage of the inventive design of the sole 4 of the head 1 for golf clubs with the fish scale-like profile, in particular the embodiment as described above, has, in contrast to so-called fairway club heads of the "Woods" type, attached to the sole in the direction of impact Ribs or channels, which are intended to reduce the frictional resistance, have the advantage that, in the fish scale-like profiling of the sole 4 according to the invention, there is no increased frictional resistance even if the club head is not swung exactly at right angles above the ground:

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Golf Clubs (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The invention relates to a head for golf clubs comprising a striking neck (3) via which it is joined to the shaft of a golf club. Said head has a bottom (4) with a fishscale-like profiling. The fishscale-like profiling of the bottom (4) is formed by scales having edges that are convexly curved away from the striking surface (2) of the head (1).

Description

Kopf für GolfschlägerHead for golf clubs
Die Erfindung betrifft einen Kopf für Golfschläger, der über einen Schlägerhals mit dem Schaft eines Golfschlägers zu verbinden ist, und der eine Schlagfläche aufweist.The invention relates to a head for golf clubs, which is to be connected to the shaft of a golf club via a club neck and which has a striking surface.
Köpfe für Golfschläger sind in verschiedenen Ausführungsforrαen bekannt, darunter die grundsätzlichen Ausführungsformen "Woods" (Holz), "Irons" (Eisen), "Wedges" oder "Putter".Heads for golf clubs are known in various designs, including the basic embodiments "Woods" (wood), "Irons" (iron), "Wedges" or "Putter".
Solche Köpfe für GolfSchläger können aus Holz, aus Kunststoff, aus Metall oder aus einer Kombination von wenigstens zwei dieser Werk- Stoffe bestehen.Such heads for golf clubs can consist of wood, plastic, metal or a combination of at least two of these materials.
Köpfe für Golfschläger der eingangs genannten Gattung haben sich grundsätzlich bewährt. Bei größeren Ausführungsformen von Köpfen für Golfschläger, insbesondere solchen mit großflächiger Unterseite (insbesondere Golfschläger des Typs "Woods"), wird derzeit fast ausschließlich Metall als Werkstoff benützt.Heads for golf clubs of the type mentioned at the outset have proven themselves in principle. In larger embodiments of heads for golf clubs, in particular those with a large underside (in particular golf clubs of the "Woods" type), metal is currently used almost exclusively as the material.
Für eine große Fluglänge des Golfballes ist eine möglichst hohe Schlägerkopfgeschwindigkeit im Moment des Kontaktes zwischen Ball und Golfschläger erforderlich. Weil der (kleine) Golfball mit seinem relativ hohen Gewicht meistens etwas im Gras eingebettet liegt, wird der Golfschläger so tief durchgeschwungen, dass der Kopf des Golfschlägers kurz vor und/oder im Moment der Berührung des Balls den Boden streift. Insbesondere bei höherem Gras ist dieser Kontakt zwischen Kopf des GolfSchlägers und Boden nachteilig, da der Kopf des Golfschlägers abgebremst wird und damit auf Grund der verringerten Schlägerkopfgeschwindigkeit eine verkürzte Fluglänge des Golfballs auftritt. Die Erfahrung hat gezeigt, dass die größte Bremswirkung bei nassem Gras entsteht, was nicht selten der Fall ist.For a long flight length of the golf ball, the highest possible club head speed at the moment of contact between the ball and the golf club is required. Because the (small) golf ball, with its relatively high weight, is mostly embedded in the grass, the golf club is swung so deep that the head of the golf club brushes the ground just before and / or when the ball is touched. This contact between the head of the golf club and the ground is disadvantageous, in particular in the case of tall grass, since the head of the golf club is braked and the golf club head is shortened due to the reduced club head speed. Experience has shown that the greatest braking effect occurs when the grass is wet, which is often the case.
Der Erfindung liegt die Aufgabe zu Grunde, einen Kopf für Golf- schläger vorzustellen, bei dem die Bremswirkung bei Kontakt des durchschwingenden Kopfes des Golfschlägers mit dem Boden verringert ist, so dass eine hohe Schlägerköpfgeschwindigkeit erhalten bleibt, wenn der Kopf des GolfSchlägers den Golfball berührt. Gelöst wird diese Aufgabe mit den Merkmalen des unabhängigen Anspruches 1.The invention is based on the object of presenting a head for golf clubs in which the braking action is reduced when the swinging head of the golf club contacts the ground, so that a high club head speed is maintained when the head of the golf club touches the golf ball. This object is achieved with the features of independent claim 1.
Bevorzugte und vorteilhafte Ausgestaltungen des erfindungsgemäßen Kopfes für Golfschläger sind Gegenstand der ünteransprüche .Preferred and advantageous embodiments of the head according to the invention for golf clubs are the subject of the dependent claims.
Da die zum Boden hin gerichtete Unterseite des Schlägerkopfes (Sohle) mit einem dreidimensionalen, fischschuppenartigen Profil verse- hen ist, wird nicht nur die Berührungsfläche zwischen Boden und Kopf des GolfSchlägers verkleinert, sondern mittels Lufteinschlüssen und Abrisskanten an den Schuppenhinterseiten auch eine reibungserzeugen- de Vakuumbildung verhindert.Since the underside of the club head (sole) facing the floor is provided with a three-dimensional, fish scale-like profile, not only is the contact area between the bottom and head of the golf club reduced, but also air pockets and tear-off edges on the rear of the scales create a friction-generating vacuum prevented.
Vorteilhaft kann es bei der Erfindung sein, die Bremswirkung zwischen Sohle des Schlägerkopfes und Boden durch eine reibungsarme Sohle des Kopfes des GolfSchlägers zu verringern. Bevorzugte Werkstoffe können Kunststoffe, wie Polyethylen, Polyacetral-Kunststoff (Delrin, TM) oder Teflon, sein. Vorteilhaft bei diesen Werkstoffen ist es überdies, dass sie sich in einfacher Weise durch Heißprägen oder Spritzgießen in der gewünschten Form herstellen lassen.It can be advantageous in the invention to reduce the braking effect between the sole of the club head and the floor by means of a low-friction sole of the head of the golf club. Preferred materials can be plastics, such as polyethylene, polyacetral plastic (Delrin, TM) or Teflon. It is also advantageous with these materials that they can be produced in the desired shape in a simple manner by hot stamping or injection molding.
Weitere Einzelheiten und Merkmale der Erfindung ergeben sich aus der nachstehenden Beschreibung anhand der Zeichnung, in der in Schräg- ansieht ein erfindungsgemäßer Kopf für Golfschläger dargestellt ist.Further details and features of the invention will become apparent from the following description with reference to the drawing, in which an oblique view of a head for golf clubs according to the invention is shown.
Es ist zunächst darauf hinzuweisen, dass, obwohl in der Zeichnung ein Kopf für Golfschläger des Typs "Woods" (Holz) gezeigt ist, die Erfindung nicht auf Köpfe von GolfSchlägern des Typs "Woods" be- schränkt ist. Vielmehr kann die Erfindung mit gleichem Vorteil auch an Köpfen für Golfschläger der Typen "Irons", "Wedges" und "Putter" verwirklicht werden.It should first be pointed out that although a head for golf clubs of the "Woods" type is shown in the drawing, the invention is not restricted to heads of golf clubs of the "Woods" type. Rather, the invention can also be realized with the same advantage on heads for golf clubs of the "Irons", "Wedges" and "Putter" types.
Der im Ausführungsbeispiel gezeigte Kopf 1 des Typs "Woods" besteht vorzugsweise aus Metall, wie beispielsweise Stahl oder einer Titanlegierung und besitzt eine horizontal gerillte Schlagfläche 2, einen Schlägerhals 3, über den der Kopf 1 mit einem (nicht; gezeigten) Schaft eines GolfSchlägers verbunden wird. Die dem Schlägerhals 3 gegenüberliegende Sohle 4 des Kopfes 1, also die Seite des Kopfes 1, die dem Schlägerhals 3 gegenüberliegt, ist mit einem dreidimensiona- len, fischschuppenartigen Profil versehen. Dieses fischschuppen- artige Profil ist beispielsweise eine Einlage in die Sohle 4 des Kopfes 1 aus reibungsarmem Kunststoff (beispielsweise Polyethylen, Delrin (TM) oder Teflon) .The head 1 of the "Woods" type shown in the exemplary embodiment preferably consists of metal, such as steel or a titanium alloy, and has a horizontally grooved face 2, a club neck 3, by means of which the head 1 is connected to a shaft (not shown) of a golf club becomes. The sole 4 of the head 1 opposite the bat neck 3, that is to say the side of the head 1 which lies opposite the bat neck 3, is provided with a three-dimensional len, fish scale-like profile provided. This fish scale-like profile is, for example, an insert in the sole 4 of the head 1 made of low-friction plastic (for example polyethylene, Delrin (TM) or Teflon).
In der Zeichnung ist auch gezeigt, dass die Schuppen, welche die Profilierung an der Sohle 4 des Kopfes 1 bilden, von der Schlagfläche 2 des Kopfes 1 weg konvex gekrümmte Ränder aufweisen. Dadurch wird der erfindungsgemäß angestrebte reibungsvermindernde Effekt verbessert.The drawing also shows that the scales, which form the profile on the sole 4 of the head 1, have convexly curved edges away from the face 2 of the head 1. This improves the friction-reducing effect sought according to the invention.
In dem gezeigten Ausführungsbeispiel ist die Anordnung der die Profilierung an der Sohle 4 des Kopfes 1 bildenden Schuppen so gewählt, dass diese in zur Schlagfläche 2 des Kopfes 1 schräg ver- laufenden Reihen angeordnet sind.In the exemplary embodiment shown, the arrangement of the scales forming the profile on the sole 4 of the head 1 is selected such that they are arranged in rows which run obliquely to the face 2 of the head 1.
Des weiteren sind die Schuppen so angeordnet, dass die Schuppen in aufeinanderfolgenden, zur Schlagfläche 2 im wesentlichen parallel verlaufenden Reihen zueinander versetzt angeordnet sind.Furthermore, the scales are arranged in such a way that the scales are arranged offset from one another in successive rows which run essentially parallel to the striking surface 2.
Die Sohle 4 des erfindungsgemäßen Kopfes für Golfschläger, welche die fischschuppenartige Profilierung trägt, ist am Kopf 1 bevorzugt austauschbar befestigt. Dies kann beispielsweise durch eine Ver- schraubung oder eine Verklebung erreicht werden.The sole 4 of the head according to the invention for golf clubs, which carries the fish scale-like profiling, is preferably attached to the head 1 in an exchangeable manner. This can be achieved, for example, by screwing or gluing.
Ein Vorteil der erfindungsgemäßen Ausbildung der Sohle 4 des Kopfes 1 für Golfschläger mit der fischschuppenartigen Profilierung, insbesondere der Ausführungsform, wie sie oben beschrieben worden ist, hat im Gegensatz zu sogenannten Fairway-Schlägerköpfen des Typs "Woods" mit an der der Sohle in Schlagrichtung angebrachten Rippen oder Kanälen, die den Reibungswiderstand verringern sollen, den Vorteil, dass bei der erfindungsgemäßen fischschuppenartigen Profilierung der Sohle 4 auch dann kein erhöhter Reibungswiderstand auftritt, wenn der Schlägerkopf mit seiner Schlagfläche nicht genau rechtwinkelig über dem Boden durchgeschwungen wird: An advantage of the inventive design of the sole 4 of the head 1 for golf clubs with the fish scale-like profile, in particular the embodiment as described above, has, in contrast to so-called fairway club heads of the "Woods" type, attached to the sole in the direction of impact Ribs or channels, which are intended to reduce the frictional resistance, have the advantage that, in the fish scale-like profiling of the sole 4 according to the invention, there is no increased frictional resistance even if the club head is not swung exactly at right angles above the ground:

Claims

Patentansprüche : Claims:
1. Kopf (1) für Golfschläger, der über einen Schlägerhals (3) mit dem Schaft eines Golfschlägers zu verbinden ist, und der eine1. head (1) for golf clubs, which is to be connected via a club neck (3) to the shaft of a golf club, and one
Schlagfläche (2) aufweist, dadurch gekennzeichnet, dass die vom Schlägerhals (3) abgewendete, bei Gebrauch des GolfSchlägers zum Boden hin gerichtete, dem Schlägerhals (3) gegenüberliegende Sohle (4) des Kopfes (1) fischschuppenartig pro- filiert ist.Striking surface (2), characterized in that the sole (4) of the head (1) facing away from the club neck (3) and directed towards the floor when the golf club is in use, is profiled like a fish scale.
2. Kopf nach Anspruch 1, dadurch gekennzeichnet, dass die die Profilierung an der Sohle (4) des Kopfes (1) bildenden Schuppen von der Schlagfläche (2) des Kopfes (1) weg konvex ge- krümmte Ränder aufweisen.2. Head according to claim 1, characterized in that the scales forming the profile on the sole (4) of the head (1) have convexly curved edges away from the face (2) of the head (1).
3. Kopf nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Schuppen an der Sohle (4) des Kopfes (1) in zur Schlagfläche (2) des Kopfes (1) schräg verlaufenden Reihen angeordnet sind.3. Head according to claim 1 or 2, characterized in that the scales on the sole (4) of the head (1) in rows to the face (2) of the head (1) are arranged at an angle.
4. Kopf nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die die Profilierung der Sohle (4) bildenden Schuppen zueinander versetzt angeordnet sind.4. Head according to one of claims 1 to 3, characterized in that the scales forming the profile of the sole (4) are arranged offset to one another.
5. Kopf nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Sohle (4) des Kopfes (1) mit einer Beschichtung aus reibungsarmem Kunststoff versehen ist.5. Head according to one of claims 1 to 4, characterized in that the sole (4) of the head (1) is provided with a coating of low-friction plastic.
6. Kopf nach Anspruch 5, dadurch gekennzeichnet, dass der Kunst- stoff ausgewählt ist aus der Gruppe bestehend aus Teflon,6. Head according to claim 5, characterized in that the plastic is selected from the group consisting of Teflon,
Delrin (TM) oder Polyethylen.Delrin (TM) or polyethylene.
7. Kopf nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die fischschuppenartig profilierte Sohle (4) am Kopf (1) austauschbar befestigt ist.7. Head according to one of claims 1 to 6, characterized in that the fish scale-like profiled sole (4) on the head (1) is exchangeably attached.
8. Kopf nach Anspruch 7, dadurch gekennzeichnet, dass die Sohle8. Head according to claim 7, characterized in that the sole
(4) mit dem Kopf (1) verschraubt oder verklebt ist.(4) is screwed or glued to the head (1).
9. Kopf nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Kopf aus Holz, Kunststoff, Metall oder aus einer Kombination von wenigstens zweien dieser Werkstoffe besteht.9. Head according to one of claims 1 to 8, characterized in that the head is made of wood, plastic, metal or a combination of at least two of these materials.
10. Kopf nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass er die Form eines Kopfes des Typs "Woods" besitzt.10. Head according to one of claims 1 to 9, characterized in that it has the shape of a head of the "Woods" type.
11. Kopf nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass er die Form eines Kopfes des Typs "Irons" besitzt.11. Head according to one of claims 1 to 9, characterized in that it has the shape of a head of the "Irons" type.
12. Kopf nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass er die Form eines Kopfes des Typs "Putter" besitzt.12. Head according to one of claims 1 to 9, characterized in that it has the shape of a head of the "putter" type.
13. Kopf nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass er die Form eines Kopfes des Typs "Wedges" besitzt. 13. Head according to one of claims 1 to 9, characterized in that it has the shape of a head of the "wedge" type.
PCT/EP2002/007501 2001-07-20 2002-07-05 Head for golf clubs WO2003009905A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE50203098T DE50203098D1 (en) 2001-07-20 2002-07-05 HEAD FOR GOLF HOLDER
AT02762325T ATE295207T1 (en) 2001-07-20 2002-07-05 GOLF CLUB HEAD
EP02762325A EP1418991B1 (en) 2001-07-20 2002-07-05 Head for golf clubs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01351/01A CH693843A5 (en) 2001-07-20 2001-07-20 Golf Club Head.
CH20011351/01 2001-07-20

Publications (1)

Publication Number Publication Date
WO2003009905A1 true WO2003009905A1 (en) 2003-02-06

Family

ID=4565402

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/007501 WO2003009905A1 (en) 2001-07-20 2002-07-05 Head for golf clubs

Country Status (5)

Country Link
EP (1) EP1418991B1 (en)
AT (1) ATE295207T1 (en)
CH (1) CH693843A5 (en)
DE (1) DE50203098D1 (en)
WO (1) WO2003009905A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109624862A (en) * 2018-12-21 2019-04-16 东风商用车有限公司 A kind of tractor truck working platform device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB909011A (en) * 1959-06-15 1962-10-24 Naojiro Sano A head of golf club
DE2516584A1 (en) * 1975-04-16 1976-10-28 Voelkl Ohg Franz Ski with central crosstoothed tread - including foam in construction and consolidated in toothed mould
US6056649A (en) * 1997-10-21 2000-05-02 Daiwa Seiko, Inc. Golf club head
US6257991B1 (en) * 1996-11-08 2001-07-10 Orlimar Golf Co. Metal clubhead and driver

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB909011A (en) * 1959-06-15 1962-10-24 Naojiro Sano A head of golf club
DE2516584A1 (en) * 1975-04-16 1976-10-28 Voelkl Ohg Franz Ski with central crosstoothed tread - including foam in construction and consolidated in toothed mould
US6257991B1 (en) * 1996-11-08 2001-07-10 Orlimar Golf Co. Metal clubhead and driver
US6056649A (en) * 1997-10-21 2000-05-02 Daiwa Seiko, Inc. Golf club head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109624862A (en) * 2018-12-21 2019-04-16 东风商用车有限公司 A kind of tractor truck working platform device

Also Published As

Publication number Publication date
ATE295207T1 (en) 2005-05-15
EP1418991A1 (en) 2004-05-19
CH693843A5 (en) 2004-03-15
DE50203098D1 (en) 2005-06-16
EP1418991B1 (en) 2005-05-11

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