JPS62174887U - - Google Patents

Info

Publication number
JPS62174887U
JPS62174887U JP6343986U JP6343986U JPS62174887U JP S62174887 U JPS62174887 U JP S62174887U JP 6343986 U JP6343986 U JP 6343986U JP 6343986 U JP6343986 U JP 6343986U JP S62174887 U JPS62174887 U JP S62174887U
Authority
JP
Japan
Prior art keywords
tool
cylinder
piston
casing
moved
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.)
Pending
Application number
JP6343986U
Other languages
English (en)
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 filed Critical
Priority to JP6343986U priority Critical patent/JPS62174887U/ja
Publication of JPS62174887U publication Critical patent/JPS62174887U/ja
Pending legal-status Critical Current

Links

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  • Percussive Tools And Related Accessories (AREA)

Description

【図面の簡単な説明】
第1図は本考案の打撃工具の打撃時の状態を示
す縦断側面図である。第2図は本考案の空転時の
状態を示す縦断側面図である。図においては、1
はシリンダ、2はピストン、3は打撃子、4はケ
ーシング、5は中間子、6は工具、7はバネ、8
は空気室、9は呼吸孔である。

Claims (1)

    【実用新案登録請求の範囲】
  1. シリンダ内のピストンの往復運動により打撃子
    とピストン間に設けた空気室の空気圧変動を発生
    し打撃子を往復駆動して先端工具に打撃を与える
    打撃工具において、前記シリンダ壁に前記空気室
    に連通する大呼吸孔を設け、該シリンダ外周を覆
    いシリンダ軸方向に摺動可能に嵌合しバネで付勢
    されたケーシングを工具を被削物に押し付けるこ
    とによりケーシングが移動し前記空気室に設けた
    大呼吸孔を密閉し工具を離した場合、該大呼吸孔
    が開放されるよう構成して成る空打ち防止装置。
JP6343986U 1986-04-25 1986-04-25 Pending JPS62174887U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6343986U JPS62174887U (ja) 1986-04-25 1986-04-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6343986U JPS62174887U (ja) 1986-04-25 1986-04-25

Publications (1)

Publication Number Publication Date
JPS62174887U true JPS62174887U (ja) 1987-11-06

Family

ID=30898665

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6343986U Pending JPS62174887U (ja) 1986-04-25 1986-04-25

Country Status (1)

Country Link
JP (1) JPS62174887U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0759341A2 (en) * 1995-08-18 1997-02-26 Makita Corporation Hammer drill with an idling strike prevention mechanism
DE19713154B4 (de) * 1996-03-29 2004-07-29 Makita Corp., Anjo Schlagwerkzeug mit verringertem Stoß zum Beginn des Schlagbetriebs

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0759341A2 (en) * 1995-08-18 1997-02-26 Makita Corporation Hammer drill with an idling strike prevention mechanism
EP0759341A3 (en) * 1995-08-18 1998-03-04 Makita Corporation Hammer drill with an idling strike prevention mechanism
US5775440A (en) * 1995-08-18 1998-07-07 Makita Corporation Hammer drill with an idling strike prevention mechanism
DE19713154B4 (de) * 1996-03-29 2004-07-29 Makita Corp., Anjo Schlagwerkzeug mit verringertem Stoß zum Beginn des Schlagbetriebs

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