ZA71998B - A hydraulic fluid actuated percussion tool - Google Patents

A hydraulic fluid actuated percussion tool

Info

Publication number
ZA71998B
ZA71998B ZA710998A ZA71998A ZA71998B ZA 71998 B ZA71998 B ZA 71998B ZA 710998 A ZA710998 A ZA 710998A ZA 71998 A ZA71998 A ZA 71998A ZA 71998 B ZA71998 B ZA 71998B
Authority
ZA
South Africa
Prior art keywords
hydraulic fluid
fluid actuated
percussion tool
actuated percussion
tool
Prior art date
Application number
ZA710998A
Other languages
English (en)
Inventor
G Romell
A Ekloef
Original Assignee
Atlas Copco Ab
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 Atlas Copco Ab filed Critical Atlas Copco Ab
Publication of ZA71998B publication Critical patent/ZA71998B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • B25D9/125—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure driven directly by liquid pressure working with pulses

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
ZA710998A 1970-02-19 1971-02-16 A hydraulic fluid actuated percussion tool ZA71998B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE02090/70A SE364209B (OSRAM) 1970-02-19 1970-02-19

Publications (1)

Publication Number Publication Date
ZA71998B true ZA71998B (en) 1971-10-27

Family

ID=20259357

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA710998A ZA71998B (en) 1970-02-19 1971-02-16 A hydraulic fluid actuated percussion tool

Country Status (8)

Country Link
JP (1) JPS544882B1 (OSRAM)
AT (1) AT310113B (OSRAM)
CA (1) CA926267A (OSRAM)
CH (1) CH518777A (OSRAM)
DE (1) DE2107510C3 (OSRAM)
GB (1) GB1340017A (OSRAM)
SE (1) SE364209B (OSRAM)
ZA (1) ZA71998B (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE405455B (sv) * 1978-01-19 1978-12-11 Billing Lars Hydraulisk spikpistol
CA2209703A1 (fr) * 1997-07-11 1999-01-11 Alain Villeneuve Recuperateur d'energie hydraulique multi-fonction
WO2014119283A1 (ja) 2013-02-04 2014-08-07 コニカミノルタ株式会社 撮像光学系ならびに撮像装置およびデジタル機器
JP6480201B2 (ja) * 2014-01-30 2019-03-06 古河ロックドリル株式会社 液圧式打撃装置
CN105916634B (zh) 2014-01-30 2017-08-25 古河凿岩机械有限公司 液压式冲击装置
JP6265418B2 (ja) * 2014-01-31 2018-01-24 古河ロックドリル株式会社 液圧式打撃装置
WO2015115106A1 (ja) 2014-01-31 2015-08-06 古河ロックドリル株式会社 液圧式打撃装置
JP6495672B2 (ja) * 2015-01-30 2019-04-03 古河ロックドリル株式会社 液圧式打撃装置、並びにバルブタイミングの切換方法およびバルブポートの設定方法
CH711414A1 (de) * 2015-08-13 2017-02-15 Hatebur Umformmaschinen Ag Vorrichtung zur Erzeugung impulsdynamischer Prozesskräfte.

Also Published As

Publication number Publication date
GB1340017A (en) 1973-12-05
JPS544882B1 (OSRAM) 1979-03-12
DE2107510C3 (de) 1974-01-24
JPS461590A (OSRAM) 1971-09-28
CA926267A (en) 1973-05-15
SE364209B (OSRAM) 1974-02-18
DE2107510A1 (de) 1971-09-09
AT310113B (de) 1973-09-25
DE2107510B2 (de) 1973-06-28
CH518777A (de) 1972-02-15

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