DE29922011U1 - Drill chuck - Google Patents

Drill chuck

Info

Publication number
DE29922011U1
DE29922011U1 DE29922011U DE29922011U DE29922011U1 DE 29922011 U1 DE29922011 U1 DE 29922011U1 DE 29922011 U DE29922011 U DE 29922011U DE 29922011 U DE29922011 U DE 29922011U DE 29922011 U1 DE29922011 U1 DE 29922011U1
Authority
DE
Germany
Prior art keywords
ring
chuck
protective member
chuck body
drill chuck
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
DE29922011U
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.)
Roehm GmbH Darmstadt
Original Assignee
Roehm GmbH Darmstadt
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 Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Priority to DE29922011U priority Critical patent/DE29922011U1/en
Publication of DE29922011U1 publication Critical patent/DE29922011U1/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
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/1207—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis
    • B23B31/1238—Jaws movement actuated by a nut with conical screw-thread
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/1207—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis
    • B23B31/123—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis with locking arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2231/00—Details of chucks, toolholder shanks or tool shanks
    • B23B2231/38—Keyless chucks for hand tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2231/00—Details of chucks, toolholder shanks or tool shanks
    • B23B2231/44—Nose pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/104—Markings, i.e. symbols or other indicating marks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (5)

1. Bohrfutter, insbesondere zum Schlagbohren, mit einem über eine Spindelaufnahme (3) an eine Bohrspindel anschließbaren Futterkörper (2), in dem in geneigt zur Futterachse (5) verlaufenden Führungskanälen (7) zwischen sich eine Aufnahme (6) für das Bohrwerkzeug bildende Spannbacken (4) angeordnet sind, die in der rückwärtigen, die Umfangsfläche des Futterkörpers (2) anschneidenden Mündung der Führungskanäle (7) zum Öffnen und Schließen des Bohrfutters (1) über eine Verzahnung (8) mit dem Spanngewinde (9) eines am Futterkörper (2) drehbar und axial unverschiebbar geführten Gewinderinges (10) im Eingriff stehen, der über ein Kugellager (13) bildende Kugeln (12) axial in der zur Spindelaufnahme (3) weisenden Richtung am Futterkörper (2) abgestützt und zu dessen Betätigung eine koaxiale, ebenfalls axial unverschiebbare Spannhülse (11) vorgesehen ist, dadurch gekennzeichnet, daß jede Kugel (12) während ihres gesamten Umlaufs in der Ebene, die zu der der momentanen Umlaufrichtung anliegenden Tangente senkrecht steht, auf den nicht zu dem Gewindering (10) weisenden, der radialen und axialen Führung dienenden Laufflächen von einem Schutzglied (14) umfaßt ist.1. Drill chuck, in particular for percussion drilling, with a chuck body ( 2 ) that can be connected to a drill spindle via a spindle holder ( 3 ), in which a receptacle ( 6 ) for the drilling tool is formed in the guide channels ( 7 ) that are inclined to the chuck axis ( 5 ) Clamping jaws ( 4 ) are arranged, which in the rear, cutting the peripheral surface of the chuck body ( 2 ) of the guide channels ( 7 ) for opening and closing the drill chuck ( 1 ) via a toothing ( 8 ) with the clamping thread ( 9 ) one on the chuck body (2) rotatably and axially non-displaceably guided threaded ring (10) are engaged, the forming of a ball bearing (13), balls (12) axially supported in the side facing the spindle taper (3) direction on the chuck body (2) and for actuating a coaxial , also axially immovable clamping sleeve ( 11 ) is provided, characterized in that each ball ( 12 ) i In the plane which is perpendicular to the tangent to the current direction of rotation, a protective member ( 14 ) is enclosed on the treads which do not face the threaded ring ( 10 ) and which serve the radial and axial guidance. 2. Bohrfutter nach Anspruch 1, dadurch gekennzeichnet, daß das Schutzglied (14) zur radialen Führung der Spannhülse (11) deren Innenseite anliegt. 2. Drill chuck according to claim 1, characterized in that the protective member ( 14 ) for radially guiding the clamping sleeve ( 11 ) abuts the inside thereof. 3. Bohrfutter nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Schutzglied (14) durch einen Rinnenring (15) gebildet ist, in dessen mit der offenen Seite zum Gewindering (10) weisenden Rinne (16) die Kugeln (12) umlaufen.3. Drill chuck according to claim 1 or 2, characterized in that the protective member ( 14 ) is formed by a trough ring ( 15 ), in which with the open side to the threaded ring ( 10 ) facing groove ( 16 ) circulate the balls ( 12 ). 4. Bohrfutter nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Schutzglied (14) durch einen Winkelring (22) gebildet ist, der den axial und radial zum Futterkörper (2) weisenden Laufflächen der Kugeln (12) zugeordnet ist.4. Drill chuck according to claim 1 or 2, characterized in that the protective member ( 14 ) is formed by an angle ring ( 22 ) which is associated with the axially and radially to the chuck body ( 2 ) facing treads of the balls ( 12 ). 5. Bohrfutter nach Anspruch 4, dadurch gekennzeichnet, daß eine Sperreinrichtung (17) für den Gewindering (10) vorgesehen ist, bestehend aus einem koaxialen, undrehbar mit dem Futterkörper (2) verbundenen Kranz von Sperrausnehmungen (21) und aus mindestens einem Sperrglied, das in einem durch Anschläge (19) begrenzt gegenüber der Spannhülse (11) verdrehbaren Zwischenring (18) angeordnet und durch an der Spannhülse (11) angeordnete Steuerkurven zwischen dem in die Sperrausnehmungen (21) eingerückten und dem ausgerückten Zustand verstellbar ist, und daß der Zwischenring (18) sich zur Bildung des Schutzgliedes (14) in der zur Spindelaufnahme (3) weisenden Richtung axial bis zu dem als axiale Lauffläche dienenden Schenkel (23) des Winkelringes (22) erstreckt und den Kugeln (12) anliegt.5. drill chuck according to claim 4, characterized in that a locking device ( 17 ) for the threaded ring ( 10 ) is provided, consisting of a coaxial, non-rotatably connected to the chuck body ( 2 ) ring of locking recesses ( 21 ) and at least one locking member, the arranged at a relative to the clamping sleeve (11) rotatable limited by stops (19), intermediate ring (18) and arranged by on the clamping sleeve (11) cams between the engaged in the blocking recesses (21) and the disengaged state is adjustable, and that the Intermediate ring ( 18 ) extends axially to form the protective member ( 14 ) in the direction facing the spindle receptacle ( 3 ) up to the leg ( 23 ) of the angle ring ( 22 ) serving as an axial running surface and abuts the balls ( 12 ).
DE29922011U 1999-12-15 1999-12-15 Drill chuck Expired - Lifetime DE29922011U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29922011U DE29922011U1 (en) 1999-12-15 1999-12-15 Drill chuck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29922011U DE29922011U1 (en) 1999-12-15 1999-12-15 Drill chuck

Publications (1)

Publication Number Publication Date
DE29922011U1 true DE29922011U1 (en) 2000-02-10

Family

ID=8082980

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29922011U Expired - Lifetime DE29922011U1 (en) 1999-12-15 1999-12-15 Drill chuck

Country Status (1)

Country Link
DE (1) DE29922011U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6883808B2 (en) * 2001-11-24 2005-04-26 Rohm Gmbh Drill-chuck jaw with hard-metal inserts
US10099296B2 (en) * 2015-02-17 2018-10-16 Roehm Gmbh Drill chuck

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6883808B2 (en) * 2001-11-24 2005-04-26 Rohm Gmbh Drill-chuck jaw with hard-metal inserts
US10099296B2 (en) * 2015-02-17 2018-10-16 Roehm Gmbh Drill chuck

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000316

R163 Identified publications notified

Effective date: 20020108

R150 Term of protection extended to 6 years

Effective date: 20030314

R151 Term of protection extended to 8 years

Effective date: 20060221

R152 Term of protection extended to 10 years

Effective date: 20080123

R071 Expiry of right