ES2105388T3 - Portabrocas, especialmente para taladrar por percusion. - Google Patents

Portabrocas, especialmente para taladrar por percusion.

Info

Publication number
ES2105388T3
ES2105388T3 ES94104874T ES94104874T ES2105388T3 ES 2105388 T3 ES2105388 T3 ES 2105388T3 ES 94104874 T ES94104874 T ES 94104874T ES 94104874 T ES94104874 T ES 94104874T ES 2105388 T3 ES2105388 T3 ES 2105388T3
Authority
ES
Spain
Prior art keywords
chuck
support
balls
axially
space
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
ES94104874T
Other languages
English (en)
Inventor
Gunter Horst Rohm
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
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
Application granted granted Critical
Publication of ES2105388T3 publication Critical patent/ES2105388T3/es
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)
  • Drilling And Boring (AREA)

Abstract

EN EL PORTABROCAS SON ACCIONADAS LAS MORDAZAS (3) GUIADAS DE FORMA INCLINADA CON RESPECTO AL EJE (5) EN EL CUERPO (1) DEL PORTABROCAS MEDIANTE GIRO DE UN ANILLO (7) SE AJUSTE, QUE POR MEDIO DE UN COJINETE (10) DE BOLAS ESTA APOYADO AXIALMENTE EN EL CUERPO (1) DEL PORTABROCAS. LAS BOLAS (11) DISCURREN EN UN ESPACIO (14) DE APOYO, QUE SE AMPLIA AXIALMENTE EN DIRECCION AXIAL HACIA EL EXTERIOR Y ESTA LIMITADO EXTERIORMENTE POR UNA SUPERFICIE (13) DE DESARROLLO CONICA, EN DONDE SE APOYAN HACIA EL EXTERIOR RADIALMENTE LAS BOLAS (11). LA SUPERFICIE (13) DE DESARROLLO SE ENCUENTRA EN UN ANILLO (12) DE SUJECION, QUE ES GIRATORIO EN UNA ROSCA (17) DE SUJECION COAXIAL CON EL EJE (5) DEL PORTABROCAS Y SE DESPLAZA AXIALMENTE MEDIANTE GIRO RELATIVO CON RESPECTO AL ESPACIO (14) DE APOYO, DE TAL MODO, QUE EN LA DIRECCION DE GIRO CORRESPONDIENTE, LAS BOLAS (11) DE LA SUPERFICIE (13) DE DESARROLLO SE PRESIONAN RADIALMENTE EN EL ESPACIO (14) DE APOYO. CON ELLO EL ANILLO (7) DE AJUSTE Y LAS MORDAZAS (13) SON PRESIONADAS AXIALMENTE HACIA LA PARTE DELANTERA, QUE CONDUCE A UNA ELEVACION DE LA FUERZA DE SUJECION DE LAS MORDAZAS.
ES94104874T 1993-12-15 1994-03-28 Portabrocas, especialmente para taladrar por percusion. Expired - Lifetime ES2105388T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4342765A DE4342765A1 (de) 1993-12-15 1993-12-15 Bohrfutter, insbesondere zum Schlagbohren

Publications (1)

Publication Number Publication Date
ES2105388T3 true ES2105388T3 (es) 1997-10-16

Family

ID=6505076

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94104874T Expired - Lifetime ES2105388T3 (es) 1993-12-15 1994-03-28 Portabrocas, especialmente para taladrar por percusion.

Country Status (3)

Country Link
EP (1) EP0667201B1 (es)
DE (2) DE4342765A1 (es)
ES (1) ES2105388T3 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000061716A (ja) 1998-08-13 2000-02-29 Yukiwa Seiko Inc チャック装置
DE29922011U1 (de) 1999-12-15 2000-02-10 Röhm GmbH, 89567 Sontheim Bohrfutter
DE10321820B4 (de) * 2003-05-14 2009-02-12 Röhm Gmbh Bohrfutter
US9643258B2 (en) 2014-04-28 2017-05-09 Milwaukee Electric Tool Corporation Chuck assembly for a rotary power tool
DE102020131833A1 (de) * 2020-12-01 2022-06-02 Röhm Gmbh Bohrfutter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD202818A1 (de) * 1981-12-21 1983-10-05 Zella Mehlis August Bebel Werk Sicherheitseinrichtung an bohrfuttern, insbesondere fuer schlagbohrbetrieb
DE3411127A1 (de) * 1984-03-26 1985-10-03 Helmut Dipl.-Ing. Höger (FH), 7312 Kirchheim Bohrfutter
DE3439668A1 (de) * 1984-09-17 1986-04-30 Hilti Ag, Schaan Schluesselloses schnellspannfutter
US5145194A (en) * 1991-06-21 1992-09-08 Jacobs Chuck Technology Corporation Impact tool chuck

Also Published As

Publication number Publication date
EP0667201A1 (de) 1995-08-16
DE4342765A1 (de) 1995-06-22
DE59403643D1 (de) 1997-09-11
EP0667201B1 (de) 1997-08-06

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