FR529284A - Pneumatic tool - Google Patents

Pneumatic tool

Info

Publication number
FR529284A
FR529284A FR529284A FR529284DA FR529284A FR 529284 A FR529284 A FR 529284A FR 529284 A FR529284 A FR 529284A FR 529284D A FR529284D A FR 529284DA FR 529284 A FR529284 A FR 529284A
Authority
FR
France
Prior art keywords
pneumatic tool
pneumatic
tool
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
FR529284A
Other languages
French (fr)
Inventor
Harry Keller
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR529284A publication Critical patent/FR529284A/en
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
    • B25D9/20—Valve arrangements therefor involving a tubular-type slide valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/005—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is coaxial with the piston

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR529284A 1919-12-17 1920-12-31 Pneumatic tool Expired FR529284A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US529284XA 1919-12-17 1919-12-17

Publications (1)

Publication Number Publication Date
FR529284A true FR529284A (en) 1921-11-25

Family

ID=21980820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR529284A Expired FR529284A (en) 1919-12-17 1920-12-31 Pneumatic tool

Country Status (1)

Country Link
FR (1) FR529284A (en)

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