JPS61159386A - 衝撃動工具 - Google Patents

衝撃動工具

Info

Publication number
JPS61159386A
JPS61159386A JP28049784A JP28049784A JPS61159386A JP S61159386 A JPS61159386 A JP S61159386A JP 28049784 A JP28049784 A JP 28049784A JP 28049784 A JP28049784 A JP 28049784A JP S61159386 A JPS61159386 A JP S61159386A
Authority
JP
Japan
Prior art keywords
piston
chamber
cylinder
oil
large diameter
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.)
Granted
Application number
JP28049784A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0445301B2 (ko
Inventor
岡田　弘志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Pneumatic Manufacturing Co Ltd
Original Assignee
Nippon Pneumatic Manufacturing Co Ltd
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 Nippon Pneumatic Manufacturing Co Ltd filed Critical Nippon Pneumatic Manufacturing Co Ltd
Priority to JP28049784A priority Critical patent/JPS61159386A/ja
Publication of JPS61159386A publication Critical patent/JPS61159386A/ja
Publication of JPH0445301B2 publication Critical patent/JPH0445301B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)
JP28049784A 1984-12-27 1984-12-27 衝撃動工具 Granted JPS61159386A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28049784A JPS61159386A (ja) 1984-12-27 1984-12-27 衝撃動工具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28049784A JPS61159386A (ja) 1984-12-27 1984-12-27 衝撃動工具

Publications (2)

Publication Number Publication Date
JPS61159386A true JPS61159386A (ja) 1986-07-19
JPH0445301B2 JPH0445301B2 (ko) 1992-07-24

Family

ID=17625908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28049784A Granted JPS61159386A (ja) 1984-12-27 1984-12-27 衝撃動工具

Country Status (1)

Country Link
JP (1) JPS61159386A (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63256378A (ja) * 1986-12-04 1988-10-24 日本ニユ−マチツク工業株式会社 油圧衝撃動工具
WO2015115105A1 (ja) * 2014-01-30 2015-08-06 古河ロックドリル株式会社 液圧式打撃装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63256378A (ja) * 1986-12-04 1988-10-24 日本ニユ−マチツク工業株式会社 油圧衝撃動工具
WO2015115105A1 (ja) * 2014-01-30 2015-08-06 古河ロックドリル株式会社 液圧式打撃装置
CN105916634A (zh) * 2014-01-30 2016-08-31 古河凿岩机械有限公司 液压式冲击装置
US10150209B2 (en) 2014-01-30 2018-12-11 Furukawa Rock Drill Co., Ltd. Hydraulic hammering device

Also Published As

Publication number Publication date
JPH0445301B2 (ko) 1992-07-24

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