DE354355C - Adjustable two-part drill knife - Google Patents

Adjustable two-part drill knife

Info

Publication number
DE354355C
DE354355C DEP39394D DEP0039394D DE354355C DE 354355 C DE354355 C DE 354355C DE P39394 D DEP39394 D DE P39394D DE P0039394 D DEP0039394 D DE P0039394D DE 354355 C DE354355 C DE 354355C
Authority
DE
Germany
Prior art keywords
knife
adjustable
part drill
drill knife
swallowed
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
DEP39394D
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
Publication date
Priority to DEP39394D priority Critical patent/DE354355C/en
Application granted granted Critical
Publication of DE354355C publication Critical patent/DE354355C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/03—Boring heads
    • B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
    • B23B29/03403—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing
    • B23B29/03417—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing by means of inclined planes

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

. GEDRUCKT IN DER REICHSDRUCKEREI.. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verstellbares zweiteiliges Bohrmesser, (dadurch gekennzeichnet, daß zwei Messerteile (a, b) parallel den Messerflächen schwalbenschiwanzförmig zusammengepaßt und mittels eingeschwalbter Keile (c, d) nach außen verstellbar sind, wobei die Zähne 'beim .konischen Schruppmesser stufenweise hintereinaniderliegen und auf den beiden gegenüberliegenden Schneiden um die Hälfte der Zahnteilung gegeneinander versetzt sind.Adjustable two-part boring knife, (characterized in that two knife parts (a, b) fit together in a dovetail shape parallel to the knife surfaces and can be adjusted outwards by means of swallowed wedges (c, d) , the teeth of the conical roughing knife lying one behind the other and on the two opposite ones Cutting edges are offset from one another by half the tooth pitch.
DEP39394D Adjustable two-part drill knife Expired DE354355C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP39394D DE354355C (en) Adjustable two-part drill knife

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP39394D DE354355C (en) Adjustable two-part drill knife

Publications (1)

Publication Number Publication Date
DE354355C true DE354355C (en) 1922-06-08

Family

ID=7376481

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP39394D Expired DE354355C (en) Adjustable two-part drill knife

Country Status (1)

Country Link
DE (1) DE354355C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3919264A1 (en) * 1989-06-13 1990-12-20 Duss Maschf ROTARY IMPACT DRILL FOR A HAND-DRIVABLE DRILL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3919264A1 (en) * 1989-06-13 1990-12-20 Duss Maschf ROTARY IMPACT DRILL FOR A HAND-DRIVABLE DRILL

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