CH129945A - Device for guiding drill bits for metal drilling machines. - Google Patents

Device for guiding drill bits for metal drilling machines.

Info

Publication number
CH129945A
CH129945A CH129945DA CH129945A CH 129945 A CH129945 A CH 129945A CH 129945D A CH129945D A CH 129945DA CH 129945 A CH129945 A CH 129945A
Authority
CH
Switzerland
Prior art keywords
drill bits
drilling machines
metal drilling
guiding drill
guiding
Prior art date
Application number
Other languages
French (fr)
Inventor
Francois Kern
Original Assignee
Francois Kern
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 Francois Kern filed Critical Francois Kern
Publication of CH129945A publication Critical patent/CH129945A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B23B47/28—Drill jigs for workpieces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
CH129945D 1928-02-03 1928-02-03 Device for guiding drill bits for metal drilling machines. CH129945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH129945T 1928-02-03

Publications (1)

Publication Number Publication Date
CH129945A true CH129945A (en) 1929-01-02

Family

ID=4388326

Family Applications (1)

Application Number Title Priority Date Filing Date
CH129945D CH129945A (en) 1928-02-03 1928-02-03 Device for guiding drill bits for metal drilling machines.

Country Status (1)

Country Link
CH (1) CH129945A (en)

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