DE23439C - Drill ratchet with variable feed - Google Patents

Drill ratchet with variable feed

Info

Publication number
DE23439C
DE23439C DENDAT23439D DE23439DA DE23439C DE 23439 C DE23439 C DE 23439C DE NDAT23439 D DENDAT23439 D DE NDAT23439D DE 23439D A DE23439D A DE 23439DA DE 23439 C DE23439 C DE 23439C
Authority
DE
Germany
Prior art keywords
variable feed
drill
ratchet
drill ratchet
indexing wheels
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.)
Active
Application number
DENDAT23439D
Other languages
German (de)
Original Assignee
kalker werk zeugmaschinenfabrik L. w. Breuer, Schumacher & Co. in Kalk bei Cöln
Publication of DE23439C publication Critical patent/DE23439C/en
Active 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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

Hierzu I Blatt Zeichnungen.For this purpose I sheet drawings.

Claims (1)

Patent-AnSpruch:Patent claim: Zum Zweck eines veränderlichen Vorschubes an Bohrknarren mit zwei vermittelst einer gemeinschaftlichen Klinke bewegten Schalträdern von ungleicher Theilung: die Hinzufügung noch eines oder mehrerer Schalträder k von geringerer Theilung und Zähnezahl als die der ersteren, angetrieben durch ausrückbare Sperrklinken bei gleichzeitiger Benutzung der Druckspindel g, in Verbindung mit der Bohrhülse / zum Festspannen und als Schraubenspindel für den selbstthätigen und veränderlichen Vorschub.For the purpose of a variable feed on ratchets with two indexing wheels of unequal pitch, moved by means of a common pawl: the addition of one or more indexing wheels k with a smaller pitch and number of teeth than the former, driven by disengageable pawls with simultaneous use of the pressure spindle g, in conjunction with the drill sleeve / for clamping and as a screw spindle for the automatic and variable feed.
DENDAT23439D Drill ratchet with variable feed Active DE23439C (en)

Publications (1)

Publication Number Publication Date
DE23439C true DE23439C (en)

Family

ID=299991

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT23439D Active DE23439C (en) Drill ratchet with variable feed

Country Status (1)

Country Link
DE (1) DE23439C (en)

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