FR678739A - Improvement in hand drills - Google Patents

Improvement in hand drills

Info

Publication number
FR678739A
FR678739A FR678739DA FR678739A FR 678739 A FR678739 A FR 678739A FR 678739D A FR678739D A FR 678739DA FR 678739 A FR678739 A FR 678739A
Authority
FR
France
Prior art keywords
improvement
hand drills
drills
hand
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
Louis Chabert
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 filed Critical
Application granted granted Critical
Publication of FR678739A publication Critical patent/FR678739A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/06—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by man-power
    • B23B45/12—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by man-power by using a ratchet brace

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR678739D 1929-07-19 1929-07-19 Improvement in hand drills Expired FR678739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR678739T 1929-07-19

Publications (1)

Publication Number Publication Date
FR678739A true FR678739A (en) 1930-04-03

Family

ID=9021220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR678739D Expired FR678739A (en) 1929-07-19 1929-07-19 Improvement in hand drills

Country Status (1)

Country Link
FR (1) FR678739A (en)

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