DE560446C - Steuerung fuer Pressluft-Gesteinsbohrmaschinen - Google Patents

Steuerung fuer Pressluft-Gesteinsbohrmaschinen

Info

Publication number
DE560446C
DE560446C DEI39766D DEI0039766D DE560446C DE 560446 C DE560446 C DE 560446C DE I39766 D DEI39766 D DE I39766D DE I0039766 D DEI0039766 D DE I0039766D DE 560446 C DE560446 C DE 560446C
Authority
DE
Germany
Prior art keywords
piston
valve
compressed air
control
wing
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
Application number
DEI39766D
Other languages
German (de)
English (en)
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of DE560446C publication Critical patent/DE560446C/de
Expired legal-status Critical Current

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
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/24—Valve arrangements therefor involving a rocking-plate type valve
    • 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
    • B25D9/14—Control devices for the reciprocating piston

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
DEI39766D 1929-01-28 1929-11-09 Steuerung fuer Pressluft-Gesteinsbohrmaschinen Expired DE560446C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US683929XA 1929-01-28 1929-01-28

Publications (1)

Publication Number Publication Date
DE560446C true DE560446C (de) 1932-10-03

Family

ID=22082280

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI39766D Expired DE560446C (de) 1929-01-28 1929-11-09 Steuerung fuer Pressluft-Gesteinsbohrmaschinen

Country Status (3)

Country Link
DE (1) DE560446C (fr)
FR (1) FR683929A (fr)
GB (1) GB330489A (fr)

Also Published As

Publication number Publication date
FR683929A (fr) 1930-06-19
GB330489A (en) 1930-06-12

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