JP6086685B2 - Spike fittings in baseball shoes - Google Patents

Spike fittings in baseball shoes Download PDF

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JP6086685B2
JP6086685B2 JP2012211455A JP2012211455A JP6086685B2 JP 6086685 B2 JP6086685 B2 JP 6086685B2 JP 2012211455 A JP2012211455 A JP 2012211455A JP 2012211455 A JP2012211455 A JP 2012211455A JP 6086685 B2 JP6086685 B2 JP 6086685B2
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spike
substrate
teeth
tooth
joint
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小林 邦夫
邦夫 小林
浩二 安井
浩二 安井
裕司 小津
裕司 小津
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株式会社エスエスケイ
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Description

この発明は、野球靴の靴裏面に設けられるスパイク金具に関する。   The present invention relates to a spike fitting provided on the back side of a baseball shoe.

野球シューズのスパイクはスパイク金具1の強度及び耐磨耗性が必要とされ、高炭素鋼の板材をプレス成形方式にて、基板部2より突片を立ち上げスパイク歯3とし、熱処理を施す技術はすでに既知の技術となっている。   The spikes of baseball shoes require the strength and wear resistance of the spike fitting 1, and a technology that heat-treats high-carbon steel plate material from the substrate part 2 by raising the protrusions from the substrate part 2 into spike teeth 3. Is already a known technology.

しかしながら運動時に前記スパイク歯3の降伏点以上の曲げ応力もしくは捻り応力が加わった場合、前記スパイク歯3及び前記基板2の変形及び破断が発生する事から、前記スパイク歯3の摩耗を低減する事と合わせて、前記高炭素鋼の板厚を大きくする手法が現在取られているが、スパイク全体の重量の増加及び前記スパイク歯3が地面に入射する際の抵抗が増大し、運動エネルギーのロスやグリップ力の低下が発生する。   However, when bending stress or torsional stress above the yield point of the spike teeth 3 is applied during movement, the spike teeth 3 and the substrate 2 are deformed and broken, so that the wear of the spike teeth 3 can be reduced. In addition, a method of increasing the plate thickness of the high carbon steel is currently taken, but the increase in the weight of the entire spike and the resistance when the spike teeth 3 are incident on the ground increase, resulting in a loss of kinetic energy. And grip force decrease.

特願2011−100974Japanese Patent Application No. 2011-100804

本発明は前記スパイク金具1を従来の高炭素鋼の板材をプレス成形方式にて形成せず、ロストワックス、鍛造、もしくはメタルインジェクションにてスパイク金具10を形成する事により、前記プレス成形方式では使用不可能である合金工具鋼鋼材等が可能となり、スパイク歯11の耐摩耗性の向上とじん性の確保の両立を実現し、パイク全体の軽量化及び前記スパイク歯11が地面に入射する際の抵抗の軽減及びグリップ力の向上を図ることを目的とする。 In the present invention, the spike metal fitting 1 is not formed of a conventional high carbon steel plate material by the press molding method, but the spike metal fitting 10 is formed by lost wax, forging, or metal injection. non enables steel alloy or the like is, to achieve both securing the wear resistance of improving the toughness of the spike teeth 11, when the weight and the spike teeth 11 of the entire spike enters the ground The purpose is to reduce the resistance and improve the grip .

上記目的を達成するために、本発明はスパイク金具10をロストワックス、鍛造、もしくはメタルインジェクションにて形成し、基板13上に複数のスパイク歯11が放射状に立ち上げて設けられ、各スパイク歯11は、前記放射状の中心点で互いに連結されて、その先端12から基板13の接合部14にかけて厚みを増加させているとともに、そのスパイク歯11の幅が前記先端12に向かって徐々に狭くなって、前記接合部14がスパイク歯11の長辺部15に対して複数形成されており、かつ、前記接合部14以外の基板13はその表裏面に貫通する透孔が形成されて厚みを有する部分を減少させて、スパイク全体の軽量化及び前記スパイク歯11が地面に入射する際の抵抗の軽減及びグリップ力の向上を図ったことを特徴とする。 To achieve the above object, the present invention is the lost wax spike gold instrument 10, forging, or form in metal injection, multiple spikes teeth 11 on the substrate 13 is provided up radially, each spike tooth 11 are connected to each other at the radial center point and increase in thickness from the tip 12 to the joint 14 with the substrate 13, and the width of the spike teeth 11 gradually increases toward the tip 12. The joint portion 14 is formed in plural with respect to the long side portion 15 of the spike tooth 11 and the substrate 13 other than the joint portion 14 is formed with a through hole penetrating the front and back surfaces thereof. reduces the portion having a thickness, weight, and the spike teeth 11 of the entire spike is characterized in that to improve the relief and grip resistance when entering the ground

前記スパイク金具10は従来のスパイク金具1で使用されている高炭素鋼の他、マルテンサイト系ステンレス、合金工具鋼鋼材、高速工具鋼鋼材及びクロムモリブデン鋼材での形成が可能となりじん性を保持しながら、前記従来金具1の焼入れ硬度HRC45〜50程度よりも高いHRC60程度の熱処理を行う事が可能となり前記従来の金具1よりも2倍以上の耐摩耗性を確保する。 The spike fitting 10 other high-carbon steel used in the conventional spike fitting 1, martensitic stainless, alloy tool steels, toughness enables formation of a high speed tool steels and chromium-molybdenum steel while retaining, that to ensure the traditional shell 1 twice or more wear-resistant than the conventional shell 1 becomes possible to perform the heat treatment of the high order of HRC60 than about hardness HRC45~50.

以上説明したように、本発明のスパイク金具10はスパイク歯11の耐摩耗性の向上とじん性の確保の両立を実現し、前記スパイク10全体の軽量化及び前記スパイク歯11が地面に入射する際の抵抗の軽減及びグリップ力の向上が可能である。 As described above, spike fitting 10 of the present invention to achieve both securing improved and toughness of the wear resistance of the spike tooth 11, before entering Symbol spike 10 total weight and the spike teeth 11 on the ground It is possible to reduce the resistance and improve the grip force.

従来の野球シューズのスパイク金具の斜視図Perspective view of spike fittings for conventional baseball shoes 本発明に係わる野球シューズのスパイク金具の斜視図The perspective view of the spike metal fittings of the baseball shoes concerning this invention

以下、本発明の実施の形態等を図面に基づいて説明する。
図1は、従来のスパイク金具1を示しており、高炭素鋼の板材をプレス成形方式にて、基板部2より突片を立ち上げスパイク歯3とし、スパイク歯3の降伏点以上の曲げ応力もしくは捻り応力が加わった場合、前記スパイク歯3及び前記基板2の変形及び破断が発生する事から、強度及び耐摩耗性の向上の為に熱処理が施されている。
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 shows a conventional spike metal fitting 1, a high carbon steel plate material is formed by press forming, a protruding piece is raised from a substrate portion 2 to form a spike tooth 3, and a bending stress above the yield point of the spike tooth 3. Alternatively, when a torsional stress is applied, the spike teeth 3 and the substrate 2 are deformed and broken, so that heat treatment is performed to improve strength and wear resistance.

前記スパイク金具1の焼入れ硬度はHRC45〜50程度であるが、前記耐摩耗性に関しては充分とは言い難く硬度を上げる事が求められている。   The quenching hardness of the spike fitting 1 is about HRC 45-50, but it is difficult to say that the wear resistance is sufficient, and it is required to increase the hardness.

前記熱処理時、焼入れ硬度を上げると、疲労破壊の原因となるじん性の低下を伴う事が一般的に知られており、前記スパイク金具1は前記耐摩耗性の向上と前記じん性の両立を図る為に1.6mm以上の前記高炭素鋼の板材を用い、前記HRC45〜50の焼入れ硬度を保持する事を目的とする前記熱処理が施されている。   It is generally known that increasing the quenching hardness at the time of the heat treatment is accompanied by a decrease in toughness that causes fatigue failure, and the spike fitting 1 improves both the wear resistance and the toughness. In order to achieve this, the heat treatment for maintaining the quenching hardness of the HRC 45 to 50 is performed using the high carbon steel plate material of 1.6 mm or more.

しかしながら、前記1.6mm以上の板材を用いた際、スパイク全体の重量の増加及び前記スパイク歯3が地面に入射する際の抵抗が増大し、運動エネルギーのロスやグリップ力の低下が発生する。   However, when the plate material of 1.6 mm or more is used, an increase in the weight of the entire spike and a resistance when the spike teeth 3 are incident on the ground increase, resulting in a loss of kinetic energy and a decrease in grip force.

前記スパイク金具1は前記プレス方式にて形成される為に、前記スパイク歯3が地面に入射する際の抵抗を軽減及び前記金具1の軽量化を図る為に、前記歯3あるいは前記基板2の厚みを除変させる事は不可能である。   Since the spike metal fitting 1 is formed by the pressing method, in order to reduce the resistance when the spike teeth 3 are incident on the ground and to reduce the weight of the metal fitting 1, It is impossible to change the thickness.

図2は本発明に係わるスパイク金具10であり、前記従来のプレス成形方式を用いず、ロストワックス、鍛造、もしくはメタルインジェクションで形成され、スパイク歯11は、基板13上に放射状に複数立ち上げて設けられ、各スパイク歯11は、前記放射状の中心点で互いに連結されて、その先端12から基板13との接合部14にかけて厚みを増加させているとともに、そのスパイク歯11の幅が前記先端12に向かって徐々に狭くなって、前記接合部14がスパイク歯11の長辺部15に対して複数形成されており(図2においては、長辺部15の全長に亘っており)、かつ、前記接合部14以外の基板13はその表裏面に貫通する透孔(図2に示されるスパイク歯11の間の平面視三角形状部分)が形成されて厚みを有する部分を減少させて、スパイク全体の軽量化及び前記スパイク歯11が地面に入射する際の抵抗の軽減及びグリップ力の向上が可能である。 FIG. 2 shows a spike fitting 10 according to the present invention, which is formed by lost wax, forging, or metal injection without using the conventional press molding method, and a plurality of spike teeth 11 are raised radially on the substrate 13. Each spike tooth 11 is connected to each other at the radial center point and increases in thickness from the tip 12 to the joint 14 with the substrate 13, and the width of the spike tooth 11 is increased. A plurality of the joint portions 14 are formed with respect to the long side portion 15 of the spike tooth 11 so as to be gradually narrowed toward the tip end 12 (in FIG. 2, it extends over the entire length of the long side portion 15). and, the joint 14 than the substrate 13 elements having the formed thickness (viewed triangular portions between the spike teeth 11 shown in FIG. 2) through hole penetrating in the front and back surfaces It reduces the weight reduction and the spike teeth 11 of the spike whole is possible to improve the reduction and grip resistance when entering the ground.

前記スパイク金具10は前記従来のスパイク金具1で使用されている前記高炭素鋼の他、マルテンサイト系ステンレス、合金工具鋼鋼材、高速工具鋼鋼材及びクロムモリブデン鋼材での形成が可能である。   The spike fitting 10 can be formed of martensitic stainless steel, alloy tool steel, high-speed tool steel, and chrome molybdenum steel in addition to the high carbon steel used in the conventional spike fitting 1.

前記合金工具鋼鋼材、高速工具鋼鋼材及びクロムモリブデン鋼材での形成した際はじん性を保持しながら、前記従来金具1の焼入れ硬度HRC45〜50程度よりも高いHRC60程度の熱処理を行う事が可能である事が一般的に知られており、前記従来の金具1よりも2倍以上の耐摩耗性を確保する事が可能である。   When formed with the alloy tool steel material, high-speed tool steel material and chromium molybdenum steel material, it is possible to perform a heat treatment of about HRC 60 higher than the quenching hardness HRC 45-50 of the conventional metal fitting 1 while maintaining toughness. It is generally known that it is possible to ensure wear resistance twice or more that of the conventional metal fitting 1.

また、前記スパイク金具10において、前記従来のスパイク金具1内の前記基板2より立ち上げた複数の前記スパイク歯3の稜線部分4を各々結合させた、プレス成形にて形成された前記従来のスパイク金具1では形成不可能な前記スパイク歯11を形成でき、全方向に対してグリップ力を有する事が可能となる。すなわち、このスパイク金具10においては、基板13上に放射状に複数立ち上げて設けられ、各スパイク歯11は、前記放射状の中心点で互いに連結されて、その先端12から、基板13との接合部14にかけて厚みを増加させているとともに、そのスパイク歯11の幅が前記先端12に向かって徐々に狭くなって、前記接合部14がスパイク歯11の長辺部15に対して複数形成されており、かつ、前記接合部14以外の基板13はその表裏面に貫通する透孔が形成されて厚みを有する部分を減少させて、スパイク全体の軽量化及び前記スパイク歯11が地面に入射する際の抵抗の軽減及びグリップ力の向上を図ることができる。 Further, in the spike fitting 10, the conventional spike formed by press molding in which the ridge line portions 4 of the plurality of spike teeth 3 raised from the substrate 2 in the conventional spike fitting 1 are combined. The spike teeth 11 that cannot be formed by the metal fitting 1 can be formed, and it is possible to have a gripping force in all directions. That is, in this spike metal fitting 10, a plurality of radial teeth are provided on the substrate 13, and each spike tooth 11 is connected to each other at the radial center point, and a joint portion with the substrate 13 is connected from the tip 12 thereof. 14, the thickness of the spike teeth 11 gradually decreases toward the tip 12, and a plurality of the joint portions 14 are formed with respect to the long side portion 15 of the spike teeth 11. And the board | substrates 13 other than the said junction part 14 reduce the part which has the thickness by which the through-hole penetrated in the front and back is formed, the weight reduction of the whole spike, and when the said spike teeth 11 enter the ground Resistance can be reduced and gripping power can be improved.

前記スパイク金具10の前記スパイク歯11と前記基板13の前記接合部14が前記スパイク歯11の長辺部15に対して複数箇所設けられている事により、すなわち、図2の実施形態では、接合部14がスパイク歯11の長辺部15の全長に亘って形成されている事により、
前記スパイク歯11の先端12に運動時の降伏点以上の曲げ応力もしくは捻り応力が加わった場合に前記接合部14への応力集中を緩和し、前記スパイク歯11及び前記基板13の変形及び破断を防止する事が可能となる。
The spike teeth 11 of the spike fitting 10 and the joint portion 14 of the substrate 13 are provided at a plurality of positions with respect to the long side portion 15 of the spike teeth 11, that is, in the embodiment of FIG. By forming the portion 14 over the entire length of the long side portion 15 of the spike tooth 11,
When bending stress or torsional stress higher than the yield point at the time of movement is applied to the tip 12 of the spike tooth 11, the stress concentration on the joint portion 14 is alleviated, and the spike tooth 11 and the substrate 13 are deformed and broken. It becomes possible to prevent.

1 従来のスパイク金具
2 スパイク金具1の基板
3 スパイク金具1のスパイク歯
4 スパイク歯3の稜線部分
10 本発明に係わるスパイク金具
11 スパイク金具10のスパイク歯
12 スパイク歯11の先端
13 スパイク金具10の基板
14 スパイク歯11と基板13の接合部
15 スパイク歯11の長辺部
DESCRIPTION OF SYMBOLS 1 Conventional spike metal fitting 2 Substrate of spike metal fitting 1 Spike tooth 4 of spike metal fitting 1 Edge line part 10 of spike tooth 3 Spike metal fitting 11 concerning the present invention Spike tooth 12 of spike metal fitting 10 Tip 13 of spike tooth 11 Substrate 14 Joint 15 of Spike Teeth 11 and Substrate 13 Long Side of Spike Teeth 11

Claims (2)

基板(13)上に複数のスパイク歯(11)が放射状に立ち上げて設けられ、前記各スパイク歯(11)は、前記放射状の中心点で互いに連結されて、その先端(12)から、前記基板(13)の接合部(14)にかけて厚みを増加させているとともに、そのスパイク歯(11)の幅が前記先端(12)に向かって徐々に狭くなって、前記接合部(14)がスパイク歯(11)の長辺部(15)に対して複数形成されており、かつ、前記接合部(14)以外の前記基板(13)はその表裏面に貫通する透孔が形成されて厚みを有する部分を減少させて、スパイク全体の軽量化及び前記スパイク歯(11)が地面に入射する際の抵抗の軽減及びグリップ力の向上を図った、ロストワックス、鍛造、もしくはメタルインジェクションで形成したことを特徴とする野球シューズにおけるスパイク金具。 A plurality of spikes teeth on the substrate (13) (11) is provided up radially, each spike tooth (11), are connected to each other at the center point of the radial, from the tip (12), wherein While increasing the thickness over the joint (14) with the substrate (13) , the width of the spike teeth (11) gradually decreases toward the tip (12), and the joint (14). Are formed with respect to the long side portion (15) of the spike tooth (11), and the substrate (13) other than the joint portion (14) is formed with a through-hole penetrating the front and back surfaces thereof. reduces the portion having a thickness, spikes overall weight and the spike tooth (11) is improved in relief and grip resistance when entering the ground, lost wax, forging, or by metal injection the formed Spike bracket in baseball shoes characterized the door. 前記スパイク金具(10)を高炭素鋼の他、マルテンサイト系ステンレス、合金工具鋼鋼材、高速工具鋼鋼材又はクロムモリブデン鋼材で形成することを特徴とする請求項に記載の野球シューズにおけるスパイク金具。 Another of the spike plate (10) of high carbon steel, spikes in baseball shoes according to claim 1, characterized in that formed in the martensitic stainless steel, alloy tool steels, high speed tool steels or Cr-Mo steel Hardware.
JP2012211455A 2012-09-05 2012-09-05 Spike fittings in baseball shoes Active JP6086685B2 (en)

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JP5936581B2 (en) * 2013-07-19 2016-06-22 株式会社キャステム Sports shoes with spikes and manufacturing method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2307678A1 (en) * 1973-02-16 1974-08-22 Bernhard Frederick Brooker Thermoplastic shafted peg for sport shoe sole - and a head, with the fastener, of pref.PVC matl.
DE3134817A1 (en) * 1981-09-03 1983-03-10 Sportartikelfabrik Karl Uhl Gmbh, 7460 Balingen Outsole for sports shoes, in particular baseball shoes
JPS6041132Y2 (en) * 1981-11-10 1985-12-13 三郎 竹内 baseball shoe spikes
JPS59150308U (en) * 1983-03-29 1984-10-08 京セラ株式会社 Soles for baseball shoes
JPS61196606U (en) * 1985-05-30 1986-12-08
JPS61199209U (en) * 1985-06-03 1986-12-12
JPH0537106U (en) * 1991-10-30 1993-05-21 サンアロイ工業株式会社 Spike chip with cemented carbide coating
JP2005308141A (en) * 2004-04-23 2005-11-04 Ntn Corp Ball screw
WO2007023848A1 (en) * 2005-08-25 2007-03-01 Nec Corporation Strap holder for portable apparatus
JP2012050815A (en) * 2010-08-02 2012-03-15 Ssk Co Ltd Mounting structure of spike fitting of baseball shoes

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