JP4208989B2 - プラグレンチ - Google Patents

プラグレンチ Download PDF

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Publication number
JP4208989B2
JP4208989B2 JP07429798A JP7429798A JP4208989B2 JP 4208989 B2 JP4208989 B2 JP 4208989B2 JP 07429798 A JP07429798 A JP 07429798A JP 7429798 A JP7429798 A JP 7429798A JP 4208989 B2 JP4208989 B2 JP 4208989B2
Authority
JP
Japan
Prior art keywords
plug
annular surface
wrench
surface portion
fitting recess
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP07429798A
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English (en)
Other versions
JPH11267979A (ja
Inventor
山下昭一朗
Original Assignee
株式会社山下工業研究所
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 株式会社山下工業研究所 filed Critical 株式会社山下工業研究所
Priority to JP07429798A priority Critical patent/JP4208989B2/ja
Priority to TW087108371A priority patent/TW372212B/zh
Priority to DE19824923A priority patent/DE19824923C2/de
Priority to US09/126,954 priority patent/US5960682A/en
Publication of JPH11267979A publication Critical patent/JPH11267979A/ja
Application granted granted Critical
Publication of JP4208989B2 publication Critical patent/JP4208989B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02—Arrangements for handling screws or nuts
    • B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
    • B25B23/105—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit
    • B25B23/108—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit the driving bit being a Philips type bit, an Allen type bit or a socket
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/483—Spanners; Wrenches for special purposes for spark plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Spark Plugs (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は内燃機関のエンジンに取付ける点火プラグの固定用レンチに関するものである。
【０００２】
【従来の技術】
従来のマグネットを利用したプラグレンチはマグネットが固く脆いので、欠けたり、割れが入り易く破片がエンジンの中に入り込む危険性がある。またマグネットとプラグとが少し離れるとプラグが脱落してしまう。又ラバーを利用したものは経年変化を起こし長期間の使用に耐えない。
【０００３】
【発明が解決しようとする課題】
本発明の課題は、確実にプラグをレンチ本体に取付けられ、かつ取付時にプラグを損傷させることのないものを提供することにある。
【０００４】
【課題を解決するための手段】
本発明の手段は次ぎのとおりである。
【０００５】
一端に操作ハンドルを取付ける角形操作部を設けた筒形レンチ本体の他端にプラグの六角ナット部が挿着されるプラグ嵌合凹部を形成し、該プラグ嵌合凹部の底に当てる円環面部と円環面部の縁より立上り、前記嵌合凹部の周壁に接して弾性が生じる上半部によって前記六角ナット部を挟持する複数の弯曲板ばねを備えた固定部材を前記プラグ嵌合凹部に嵌め込むと共に、前記弯曲板ばね間に内面が前記プラグのガイドとなる黄銅製の案内部材を介在させて前記円環面部に重ね合わせたこと。
【０００６】
【発明の実施の形態】
図中１は筒形のレンチ本体で、一端に操作ハンドルを取付ける角形操作部２を設け、他端にプラグ３の六角ナット部が挿着される嵌合凹部４を形成し、嵌合凹部４の底にプラグの固定部材５を嵌め込む。
【０００７】
この固定部材５は図４、図５のように円環面部５ａと、その周縁の左右の立上り弯曲板ばね５ｂ，５ｃとから成り立ち、円環面部５ａを嵌合凹部４の底に当て、弯曲板ばね５ｂ，５ｃを嵌合凹部４の周壁に接しさせて、上半部の弯曲部５ｄ，５ｅに弾性が生じるようにし、該弯曲部５ｄ，５ｅでプラグ３の六角ナット部を挟持するようにしてある（図３）。尚弯曲板ばねは３個所でも良い。
６は固定部材５の底面上に嵌めた真鍮の案内部材で、本体に挿着したプラグ３の接触部３ａが直接当たり、硬度の低い真鍮（黄銅）によって緩衝作用を行ない、案内部材６の内面はプラグのガイドとなるものである。
【０００８】
【発明の効果】
本発明は以上の構成から成り立つので、弯曲板ばねによりプラグを本体に嵌めたときにその保持力は強くなり確実に取付けられ、又案内部材によりプラグが直接あたる部分はクッション性が生じプラグの損傷を防ぐことが可能である。
【図面の簡単な説明】
【図１】 正面図。
【図２】 要部の拡大断面図。
【図３】 プラグを嵌めた要部の断面図。
【図４】 弯曲板ばねの正面図。
【図５】 弯曲板ばねの平面図。
【符号の説明】
１ レンチ本体
２ 操作部
３ プラグ
３ａ 接触面
４ 嵌合凹部
５ 固定部材
５ａ 円環面部
５ｂ，５ｃ 弯曲板ばね
５ｄ，５ｅ 弯曲部
６ 案内部材

Claims (1)

  1. 一端に操作ハンドルを取付ける角形操作部を設けた筒形レンチ本体の他端にプラグの六角ナット部が挿着されるプラグ嵌合凹部を形成し、該プラグ嵌合凹部の底に当てる円環面部と円環面部の縁より立上り、前記嵌合凹部の周壁に接して弾性が生じる上半部によって前記六角ナット部を挟持する複数の弯曲板ばねを備えた固定部材を前記プラグ嵌合凹部に嵌め込むと共に、前記弯曲板ばね間に内面が前記プラグのガイドとなる黄銅製の案内部材を介在させて前記円環面部に重ね合わせた、プラグレンチ。
JP07429798A 1998-03-23 1998-03-23 プラグレンチ Expired - Lifetime JP4208989B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP07429798A JP4208989B2 (ja) 1998-03-23 1998-03-23 プラグレンチ
TW087108371A TW372212B (en) 1998-03-23 1998-05-29 Spark plug wrench
DE19824923A DE19824923C2 (de) 1998-03-23 1998-06-04 Zündkerzenschlüssel
US09/126,954 US5960682A (en) 1998-03-23 1998-07-31 Plug wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07429798A JP4208989B2 (ja) 1998-03-23 1998-03-23 プラグレンチ

Publications (2)

Publication Number Publication Date
JPH11267979A JPH11267979A (ja) 1999-10-05
JP4208989B2 true JP4208989B2 (ja) 2009-01-14

Family

ID=13543075

Family Applications (1)

Application Number Title Priority Date Filing Date
JP07429798A Expired - Lifetime JP4208989B2 (ja) 1998-03-23 1998-03-23 プラグレンチ

Country Status (4)

Country Link
US (1) US5960682A (ja)
JP (1) JP4208989B2 (ja)
DE (1) DE19824923C2 (ja)
TW (1) TW372212B (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10156913B4 (de) * 2001-11-21 2004-12-30 Ko-Ken Tool Co., Ltd. Zündkerzenschlüssel
FR2842573B1 (fr) * 2002-07-19 2004-12-17 Etanco L R Vis a tete specialement adaptee a un embout de prehension et de vissage
FR2842447B1 (fr) * 2002-07-19 2005-02-25 Etanco L R Embout de prehension et de vissage pour vis a tete speciale.
US7104164B2 (en) * 2004-07-02 2006-09-12 Spx Corporation Spark plug tool
US20060027057A1 (en) * 2004-08-04 2006-02-09 Chih-Ching Hsien Quick release device for releasing screw bit from socket
US20100294087A1 (en) * 2009-05-20 2010-11-25 Gong Fong Enterprise Co., Ltd. Tool sleeve clamping structure
US8806984B1 (en) * 2010-04-26 2014-08-19 Mark Bell Lamp changers
TW201318780A (zh) * 2011-11-11 2013-05-16 Honiton Ind Inc 火星塞套筒結構
JP6263086B2 (ja) * 2014-05-30 2018-01-17 日之出水道機器株式会社 地中弁栓類の継足しバルブキーおよびその抜け止め具
DE202014008640U1 (de) * 2014-10-27 2014-11-11 Autotestgeräte Leitenberger GmbH Demontagewerkzeug für Glühkerzen
TWI616282B (zh) * 2016-05-23 2018-03-01 Peng jia hui Mars plug sleeve
DE202016102723U1 (de) 2016-05-23 2016-06-07 Chien-Ju Chu Ein magnetischer Hülsenaufbau
US9956670B2 (en) 2016-07-26 2018-05-01 Milwaukee Electric Tool Corporation Ratchet, ratchet accessory, and kit including the same
USD814259S1 (en) 2016-08-17 2018-04-03 Milwaukee Electric Tool Corporation Socket
USD815504S1 (en) 2016-08-17 2018-04-17 Milwaukee Electric Tool Corporation Socket
USD810531S1 (en) 2016-08-29 2018-02-20 Milwaukee Electric Tool Corporation Socket
TWI650206B (zh) * 2018-03-08 2019-02-11 李宏仁 套筒結構
DE102018218994A1 (de) * 2018-11-07 2020-05-07 Toge Dübel Gmbh & Co. Kg Werkzeugaufsatz für ein angetriebenes Handwerkzeug, insbesondere für einen Tangential-Schlagschrauber, Anordnung mit einem derartigen Werkzeugaufsatz sowie Verfahren zum Spannen und Lösen einer Befestigungsmutter an einem Gewindestab mittels eines derartigen Werkzeugaufsatzes
USD927947S1 (en) 2018-12-12 2021-08-17 Hong Ann Tool Industries Co., Ltd. Tool for removing spark-plug

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2294193A (en) * 1940-06-10 1942-08-25 Mechanics Engineering Company Wrench for spark plugs and the like
US2304271A (en) * 1940-09-09 1942-12-08 Mechanics Engineering Company Wrench for spark plugs and the like
DE1988595U (de) * 1968-03-29 1968-06-27 Belzer Werk Metallischer schraub-werkzeugeinsatz, insbesondere steckschluessel-einsatz.
JPS4827914Y1 (ja) * 1970-07-31 1973-08-18
US3665791A (en) * 1971-01-21 1972-05-30 Harry A Carr Keeper for hexagonal fastener wrenches
US3924492A (en) * 1972-06-28 1975-12-09 Ford Motor Co Spark plug socket wrench
DE7629180U1 (de) * 1976-09-18 1977-01-20 Gedore-Werkzeugfabrik, Otto Dowidat, 5630 Remscheid-Luettringhausen Zuendkerzenschluessel
DE3142528C2 (de) * 1981-10-27 1983-11-03 Peter Welter GmbH + Co. KG, 5042 Erftstadt Steckschlüssel, insbesondere Zündkerzenschlüssel
US4535658A (en) * 1982-03-05 1985-08-20 Allen Manufacturing Company Socket bit holder
US4787278A (en) * 1988-03-30 1988-11-29 Western Pacific Industries Inc. Tool bit driver with spring retainer
US5074172A (en) * 1989-11-28 1991-12-24 Fetter Jack E Spark plug socket wrench
US5074173A (en) * 1990-09-28 1991-12-24 Cearley C Dewayne Spark plug tool
JP2872423B2 (ja) * 1991-02-14 1999-03-17 日本特殊陶業株式会社 点火プラグの締め付け具
US5361654A (en) * 1993-09-27 1994-11-08 Alex Rasipovits Gripping hand tool
US5724872A (en) * 1996-06-28 1998-03-10 Shih; Leo Socket spanner having a nut retaining device

Also Published As

Publication number Publication date
JPH11267979A (ja) 1999-10-05
TW372212B (en) 1999-10-21
DE19824923A1 (de) 1999-09-30
DE19824923C2 (de) 2000-11-16
US5960682A (en) 1999-10-05

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