JPH03117579U - - Google Patents

Info

Publication number
JPH03117579U
JPH03117579U JP1990027308U JP2730890U JPH03117579U JP H03117579 U JPH03117579 U JP H03117579U JP 1990027308 U JP1990027308 U JP 1990027308U JP 2730890 U JP2730890 U JP 2730890U JP H03117579 U JPH03117579 U JP H03117579U
Authority
JP
Japan
Prior art keywords
cylinder
chisel
move forward
piston
crushed
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
JP1990027308U
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 JP1990027308U priority Critical patent/JPH03117579U/ja
Publication of JPH03117579U publication Critical patent/JPH03117579U/ja
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D17/00Details of, or accessories for, portable power-driven percussive tools
    • B25D17/11Arrangements of noise-damping means
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/966Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)

Description

【図面の簡単な説明】
第1図は本考案の第1実施例を示す油圧ブレー
カの一部破断正面図、第2図は第1図のX−X線
断面図、第3図は本考案の第2実施例を示す油圧
ブレーカの一部破断正面図、第4図は従来の油圧
ブレーカの縦断面図である。 1,1A……ブレーカ本体、2,2A……ブラ
ケツト、3,3A……シリンダ、6,6A……ピ
ストン、8,8A……拘束部、9,9A……たが
ね。

Claims (1)

    【実用新案登録請求の範囲】
  1. ブレーカ本体のシリンダ内に装入されて軸方向
    へ進退動制御されるピストンと、このピストンの
    先方で被破砕物を衝打するたがねとを直列状で共
    同進退動動作可能に連結するとともに、前記シリ
    ンダの進動を阻止して前記シリンダと、前記たが
    ねによつて衝打される被衝打面との相対位置を保
    持するために破砕作業時に被破砕物に押付けられ
    て当接する拘束部を設けたことを特徴とする油圧
    ブレーカ。
JP1990027308U 1990-03-16 1990-03-16 Pending JPH03117579U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990027308U JPH03117579U (ja) 1990-03-16 1990-03-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990027308U JPH03117579U (ja) 1990-03-16 1990-03-16

Publications (1)

Publication Number Publication Date
JPH03117579U true JPH03117579U (ja) 1991-12-04

Family

ID=31530169

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990027308U Pending JPH03117579U (ja) 1990-03-16 1990-03-16

Country Status (1)

Country Link
JP (1) JPH03117579U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034816A (en) * 1976-05-04 1977-07-12 Lutich Louis L Demolition tool

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034816A (en) * 1976-05-04 1977-07-12 Lutich Louis L Demolition tool

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