FR835550A - Spark regulator device for hammers operating by internal combustion - Google Patents

Spark regulator device for hammers operating by internal combustion

Info

Publication number
FR835550A
FR835550A FR835550DA FR835550A FR 835550 A FR835550 A FR 835550A FR 835550D A FR835550D A FR 835550DA FR 835550 A FR835550 A FR 835550A
Authority
FR
France
Prior art keywords
spark
internal combustion
regulator device
hammers
operating
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)
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.)
GAS TOOL PATENTS CORP
Original Assignee
GAS TOOL PATENTS CORP
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 GAS TOOL PATENTS CORP filed Critical GAS TOOL PATENTS CORP
Application granted granted Critical
Publication of FR835550A publication Critical patent/FR835550A/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
    • B25D9/06—Means for driving the impulse member
    • B25D9/10—Means for driving the impulse member comprising a built-in internal-combustion engine

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
FR835550D 1937-04-05 1938-03-21 Spark regulator device for hammers operating by internal combustion Expired FR835550A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US135185A US2163336A (en) 1937-04-05 1937-04-05 Spark timer for hammers

Publications (1)

Publication Number Publication Date
FR835550A true FR835550A (en) 1938-12-23

Family

ID=22466923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835550D Expired FR835550A (en) 1937-04-05 1938-03-21 Spark regulator device for hammers operating by internal combustion

Country Status (3)

Country Link
US (1) US2163336A (en)
FR (1) FR835550A (en)
GB (1) GB512573A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442284A (en) * 1945-05-12 1948-05-25 Francis N Bard Spark timer for hammers

Also Published As

Publication number Publication date
US2163336A (en) 1939-06-20
GB512573A (en) 1939-09-30

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