FR411448A - Pneumatic tool - Google Patents

Pneumatic tool

Info

Publication number
FR411448A
FR411448A FR411448DA FR411448A FR 411448 A FR411448 A FR 411448A FR 411448D A FR411448D A FR 411448DA FR 411448 A FR411448 A FR 411448A
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
Other languages
French (fr)
Inventor
Charles Schofield
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 FR411448A publication Critical patent/FR411448A/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
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR411448D 1909-03-01 1910-01-10 Pneumatic tool Expired FR411448A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB411448X 1909-03-01

Publications (1)

Publication Number Publication Date
FR411448A true FR411448A (en) 1910-06-16

Family

ID=1455391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR411448D Expired FR411448A (en) 1909-03-01 1910-01-10 Pneumatic tool

Country Status (1)

Country Link
FR (1) FR411448A (en)

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