FR460021A - Hand-held percussion pneumatic tools - Google Patents

Hand-held percussion pneumatic tools

Info

Publication number
FR460021A
FR460021A FR460021DA FR460021A FR 460021 A FR460021 A FR 460021A FR 460021D A FR460021D A FR 460021DA FR 460021 A FR460021 A FR 460021A
Authority
FR
France
Prior art keywords
hand
pneumatic tools
held percussion
percussion pneumatic
held
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
Clement Henry Stevens
Summers Hunter
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 FR460021A publication Critical patent/FR460021A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR460021D 1912-10-04 1913-07-04 Hand-held percussion pneumatic tools Expired FR460021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB460021X 1912-10-04

Publications (1)

Publication Number Publication Date
FR460021A true FR460021A (en) 1913-11-21

Family

ID=1499455

Family Applications (1)

Application Number Title Priority Date Filing Date
FR460021D Expired FR460021A (en) 1912-10-04 1913-07-04 Hand-held percussion pneumatic tools

Country Status (1)

Country Link
FR (1) FR460021A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1025800B (en) * 1954-01-12 1958-03-06 Atlas Copco Ab Inlet valve for compressed air tools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1025800B (en) * 1954-01-12 1958-03-06 Atlas Copco Ab Inlet valve for compressed air tools

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