DE49249C - Spring drill bit with sliding push button - Google Patents

Spring drill bit with sliding push button

Info

Publication number
DE49249C
DE49249C DENDAT49249D DE49249DA DE49249C DE 49249 C DE49249 C DE 49249C DE NDAT49249 D DENDAT49249 D DE NDAT49249D DE 49249D A DE49249D A DE 49249DA DE 49249 C DE49249 C DE 49249C
Authority
DE
Germany
Prior art keywords
push button
drill bit
sliding push
spring drill
spring
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 - Lifetime
Application number
DENDAT49249D
Other languages
German (de)
Original Assignee
H. ARNZ in Reinshagen-Remscheid
Publication of DE49249C publication Critical patent/DE49249C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICH PRINTING COMPANY.

Claims (1)

Patent-Anspruch:Patent claim: An Feder-Drillbohrern die Anordnung eines verschiebbaren Druckknopfes α auf der Bohrspindel s, zu dem Zwecke, beim Bohren auf den Bohrer einen veränderlichen, dem zu bearbeitenden Materiale angepafsten Druck ausüben zu können.On spring drill bits, the arrangement of a displaceable push button α on the drilling spindle s, for the purpose of being able to exert a variable pressure on the drill bit when drilling, which is adapted to the material to be machined.
DENDAT49249D Spring drill bit with sliding push button Expired - Lifetime DE49249C (en)

Publications (1)

Publication Number Publication Date
DE49249C true DE49249C (en)

Family

ID=324179

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT49249D Expired - Lifetime DE49249C (en) Spring drill bit with sliding push button

Country Status (1)

Country Link
DE (1) DE49249C (en)

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