US1593955A - Broaching tool - Google Patents

Broaching tool Download PDF

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Publication number
US1593955A
US1593955A US629634A US62963423A US1593955A US 1593955 A US1593955 A US 1593955A US 629634 A US629634 A US 629634A US 62963423 A US62963423 A US 62963423A US 1593955 A US1593955 A US 1593955A
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US
United States
Prior art keywords
sleeve
teeth
broaching tool
extension
shank
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
US629634A
Inventor
Charles G Schmittner
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Individual
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Individual
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 Individual filed Critical Individual
Priority to US629634A priority Critical patent/US1593955A/en
Application granted granted Critical
Publication of US1593955A publication Critical patent/US1593955A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D43/00—Broaching tools
    • B23D43/02—Broaching tools for cutting by rectilinear movement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/16—Rectilinear broach
    • Y10T407/1628—Rectilinear broach including holder having seat for inserted tool
    • Y10T407/1642—Annular tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/83—Tool-support with means to move Tool relative to tool-support
    • Y10T408/85—Tool-support with means to move Tool relative to tool-support to move radially
    • Y10T408/858—Moving means including wedge, screw or cam
    • Y10T408/8583—Moving means including wedge, screw or cam with resiliently urged Tool
    • Y10T408/85843—Resilient Tool or tool-support

Definitions

  • Another object of the invention is to provide a tool of this nature which will be simple and eliicient in construction, reliable in operation, and Well adapted to the pur ⁇ pose for which it is designed.
  • AFi ure 3 is a transverse section taken substantlally on the line 3-3 of Figure 2 looking in the direction of the arrow.
  • the shank l' is provided with a reduced portion 2 having a diametricall)1 extending slot 3 therein so that this reduced portion may be engaged withan operating machine.
  • the annular teeth 4 are provided on the shank 1 and are of conventional construction similar to the ordinary round broaching tool now commonly in use.
  • An extension 5 is formed on the outer end of the shank and includes an intermediate tapered portion 6 and a Jthreaded end portion 7.
  • a sleeve 8 is disposed on the extension 5 being provided with a bore having an intermediate 'tapered' portion for engagement with the tapered portion y6 of theextension 5.
  • a sleeve provided with a series of externalv annular cutting I teeth and formed with a plurality 'of longitudinally extending slots which intersect the teeth and have their ends in overla ping relation, and means to expand the s otted portion yof said sleeve for increasing the diameter of said teeth.
  • a sleeve provided with a series of external annular cutting teeth and formed with a plurality of longitudinally extending slots which intersect the teeth, and means to expand the slotted por-y tion of said sleeve for increasing the diameter of said teeth, said slots further extendingobliquely tothe longitudinal axis of the sleeve with their ends in overlapping relation.
  • a sleeve provided with a series of external annular cutting teeth from end to end thereof and having its intermediate portion formed with a plurality of longitudinally extending slots which intersect certain lof said teeth, and
  • a broaching tool including a shank formed at one end with a series of integral annular cutting teeth andprovided at said 'end with a coaxial rigid extension, a sleeve ⁇ With a shank formed at one end with a series of integral annular cutting teeth and provided With a coaxial rigid extension projecting beyond the teeth, said extension being I provided With an intermediate tapering portion, of an elongated sleeve carried by ⁇ the extension and being provided with a bore having an intermediate tapering portion for engaging the tapering portion of .said ex- 10 tension, said sleeve having formed integrally slots extending obliquely to the longitudinal l5 axis of the sleeve with their ends in overlapping relation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)

Description

7 Parentall July 27.1926.
UNITED STATES 1,593,955 IPATENT OFFICE.
CHARLES G. SQHMITTNER; OF DETROIT, MICHIGAN.
BROACHING moor.. l. i
Application ledApril 3, 1923. Serial No. 629,634..
ber at the outer end thereofv which' can be adjusted to fit the work.
l Another object of the invention is to provide a tool of this nature which will be simple and eliicient in construction, reliable in operation, and Well adapted to the pur` pose for which it is designed.
With the above and numerous other objects in view as will appear as the description progresses, the invention resides in certain novel features of. construction, and in the combination and arrangement of parts as. will be hereinafter more fully described and claimed.
In the drawingy Figure 1 is an elevation ofthe broachingr tool embodying my invention,
through the outer end thereof, and
AFi ure 3 is a transverse section taken substantlally on the line 3-3 of Figure 2 looking in the direction of the arrow.
Referring to the drawing in detail it will be seen that the shank l'is provided with a reduced portion 2 having a diametricall)1 extending slot 3 therein so that this reduced portion may be engaged withan operating machine. The annular teeth 4 are provided on the shank 1 and are of conventional construction similar to the ordinary round broaching tool now commonly in use. An extension 5 is formed on the outer end of the shank and includes an intermediate tapered portion 6 and a Jthreaded end portion 7. A sleeve 8 is disposed on the extension 5 being provided with a bore having an intermediate 'tapered' portion for engagement with the tapered portion y6 of theextension 5. This portion of the sleeve 8`normally surrounding the tapered portion 6 of the extension and adjacent portions is provided with a plurality of slots 9 whereby the sleeve 8 may be pushed toward the body of the shank 1 by means of nuts 10 and therefore expanded. It will thus be seen that the sleeve 8 may be expanded to 'a desired size should the annular teeth 11 become worn. An auxiliary sleeve having annular teeth is disposed on 4invention will now` be clearly understood Figure 2 is a longitudinal section taken` the extension 5 between the teeth 4 and th sleeve 8 as is shown at 12.
It is thought that the construction and operation as well as the advantages of the 00 without a more detailed description. I have, in the presentinstance, shown and described the preferred embodiment of the invention which will give in practice satisfactory and reliable results, and it is to be understoodthat the same is susceptible of modiication in various particulars without departing from the spirit or scope of the invention or sacriiicing any of its advantages.
Having thus described my invention what I claiml as new is 1. In a broaching tool, a sleeve provided with a series of externalv annular cutting I teeth and formed with a plurality 'of longitudinally extending slots which intersect the teeth and have their ends in overla ping relation, and means to expand the s otted portion yof said sleeve for increasing the diameter of said teeth.
2. In a broaching tool, a sleeve provided with a series of external annular cutting teeth and formed with a plurality of longitudinally extending slots which intersect the teeth, and means to expand the slotted por-y tion of said sleeve for increasing the diameter of said teeth, said slots further extendingobliquely tothe longitudinal axis of the sleeve with their ends in overlapping relation. 3. In a broaching tool, a sleeve provided with a series of external annular cutting teeth from end to end thereof and having its intermediate portion formed with a plurality of longitudinally extending slots which intersect certain lof said teeth, and
means tol expand the slotted intermediate portion of said sleeve for increasing the diameter of said intermediate teeth.
4. A broaching tool including a shank formed at one end with a series of integral annular cutting teeth andprovided at said 'end with a coaxial rigid extension, a sleeve `With a shank formed at one end with a series of integral annular cutting teeth and provided With a coaxial rigid extension projecting beyond the teeth, said extension being I provided With an intermediate tapering portion, of an elongated sleeve carried by `the extension and being provided with a bore having an intermediate tapering portion for engaging the tapering portion of .said ex- 10 tension, said sleeve having formed integrally slots extending obliquely to the longitudinal l5 axis of the sleeve with their ends in overlapping relation.
ln testimony whereof aiiix my signature.7
CHARLES G. SCHMJITTNER.
US629634A 1923-04-03 1923-04-03 Broaching tool Expired - Lifetime US1593955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US629634A US1593955A (en) 1923-04-03 1923-04-03 Broaching tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US629634A US1593955A (en) 1923-04-03 1923-04-03 Broaching tool

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US1593955A true US1593955A (en) 1926-07-27

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US629634A Expired - Lifetime US1593955A (en) 1923-04-03 1923-04-03 Broaching tool

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439422A (en) * 1943-10-25 1948-04-13 Fear Ralph Gordon Shearing tool
US2514121A (en) * 1944-11-30 1950-07-04 Curtiss Wright Corp Tool
DE3106823A1 (en) * 1981-02-24 1982-09-09 Oswald Forst Maschinenfabrik und Apparatebauanstalt GmbH & Co KG, 5650 Solingen ADJUSTMENT DEVICE FOR A ROOM TOOL
FR2507936A1 (en) * 1981-06-06 1982-12-24 Loehr & Bromkamp Gmbh INTERNAL PIN

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439422A (en) * 1943-10-25 1948-04-13 Fear Ralph Gordon Shearing tool
US2514121A (en) * 1944-11-30 1950-07-04 Curtiss Wright Corp Tool
DE3106823A1 (en) * 1981-02-24 1982-09-09 Oswald Forst Maschinenfabrik und Apparatebauanstalt GmbH & Co KG, 5650 Solingen ADJUSTMENT DEVICE FOR A ROOM TOOL
FR2507936A1 (en) * 1981-06-06 1982-12-24 Loehr & Bromkamp Gmbh INTERNAL PIN
DE3122574C1 (en) * 1981-06-06 1988-04-14 Löhr & Bromkamp GmbH, 6050 Offenbach Interior tool

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