EP0474591A3 - Subcalibre shaft with central drillholder - Google Patents

Subcalibre shaft with central drillholder Download PDF

Info

Publication number
EP0474591A3
EP0474591A3 EP19910810638 EP91810638A EP0474591A3 EP 0474591 A3 EP0474591 A3 EP 0474591A3 EP 19910810638 EP19910810638 EP 19910810638 EP 91810638 A EP91810638 A EP 91810638A EP 0474591 A3 EP0474591 A3 EP 0474591A3
Authority
EP
European Patent Office
Prior art keywords
shaft
drillholder
subcalibre
central
driving
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.)
Granted
Application number
EP19910810638
Other languages
German (de)
Other versions
EP0474591A2 (en
EP0474591B1 (en
Inventor
Werner Bogner
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP0474591A2 publication Critical patent/EP0474591A2/en
Publication of EP0474591A3 publication Critical patent/EP0474591A3/en
Application granted granted Critical
Publication of EP0474591B1 publication Critical patent/EP0474591B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • B25D17/084—Rotating chucks or sockets
    • B25D17/088—Rotating chucks or sockets with radial movable locking elements co-operating with bit shafts specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/003—Details relating to chucks with radially movable locking elements
    • B25D2217/0038—Locking members of special shape
    • B25D2217/0042—Ball-shaped locking members
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S279/00—Chucks or sockets
    • Y10S279/904—Quick change socket
    • Y10S279/905—Quick change socket with ball detent
    • 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
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17128—Self-grasping
    • Y10T279/17136—Yielding grasping jaws
    • Y10T279/17145—Ball or roller
    • 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
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17761—Side detent
    • Y10T279/17786—Spring
    • 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
    • Y10T408/89—Tool or Tool with support
    • Y10T408/895—Having axial, core-receiving central portion
    • Y10T408/8957—Having axial, core-receiving central portion and having stepped cutting edges
    • 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
    • Y10T408/94—Tool-support
    • Y10T408/95—Tool-support with tool-retaining means
    • Y10T408/953—Clamping jaws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Gripping On Spindles (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Surgical Instruments (AREA)
  • Soil Working Implements (AREA)
  • Drilling And Boring (AREA)

Abstract

The insertion shaft (2) of the tool (1) has a central opening (4) open in the drilling direction, which serves for holding a centre bit (13), a substantially radially displaceable locking element (6) being mounted through an open perforation (5) and driving strips (9) being present, said driving strips serving for driving the centre bit (13) in rotation. <IMAGE>
EP91810638A 1990-09-01 1991-08-13 Subcalibre shaft with central drillholder Expired - Lifetime EP0474591B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4027820 1990-09-01
DE4027820A DE4027820A1 (en) 1990-09-01 1990-09-01 INSERTION WITH CENTRAL DRILL HOLE

Publications (3)

Publication Number Publication Date
EP0474591A2 EP0474591A2 (en) 1992-03-11
EP0474591A3 true EP0474591A3 (en) 1993-02-10
EP0474591B1 EP0474591B1 (en) 1995-12-27

Family

ID=6413448

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91810638A Expired - Lifetime EP0474591B1 (en) 1990-09-01 1991-08-13 Subcalibre shaft with central drillholder

Country Status (8)

Country Link
US (1) US5174696A (en)
EP (1) EP0474591B1 (en)
JP (1) JPH06198637A (en)
KR (1) KR920006084A (en)
AT (1) ATE132066T1 (en)
DE (2) DE4027820A1 (en)
DK (1) DK0474591T3 (en)
ES (1) ES2080935T3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4223518A1 (en) * 1992-07-17 1994-01-20 Hilti Ag Tool and tool holder for hand tools
DK0732164T3 (en) * 1995-03-17 2000-03-20 Hawera Probst Gmbh Drilling tools especially for rotary impact drilling, preferably in stone
US6079716A (en) 1997-12-12 2000-06-27 Black & Decker Inc. Removable chuck
US5951026A (en) * 1997-12-12 1999-09-14 Black & Decker Inc. Removable chuck
US6000888A (en) * 1999-02-12 1999-12-14 Snap-On Tools Company Quick coupler mechanism for power tool bits
ES2294398T3 (en) * 2000-09-01 2008-04-01 Credo Technology Corporation PROVISION OF FAST CHANGE MANDREL, FOR DRILLING SAW AND DRILLING DRILL.
DE10101451B4 (en) * 2001-01-15 2010-04-01 Robert Bosch Gmbh cutting tool
JP4363019B2 (en) * 2002-09-20 2009-11-11 マックス株式会社 Core bit
DE10324426A1 (en) * 2003-05-30 2004-12-16 Robert Bosch Gmbh Hand tool
DE102005015100A1 (en) * 2005-04-01 2006-10-05 Robert Bosch Gmbh Insert tool and tool holder for a hand tool

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1108248A (en) * 1966-05-26 1968-04-03 Balas Collet Company Quick change tool holder
FR2193681A1 (en) * 1972-07-25 1974-02-22 Bosch Gmbh Robert
DE2621898A1 (en) * 1976-05-17 1977-12-01 Rolf Krage Clamp for precision tool with constant shaft dia. - has internally stepped cylindrical housing and tool holder with spherical pressure piece
GB2096045A (en) * 1981-04-03 1982-10-13 Bosch Gmbh Robert A tool holder
DE3220794A1 (en) * 1982-06-03 1983-12-08 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Sleeve-shaped tool holder for hammer drills
DE3434076A1 (en) * 1984-09-17 1986-04-17 Hilti Ag, Schaan TOOL HOLDER FOR DRILLING AND CHISEL TOOLS

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1858276A (en) * 1930-04-18 1932-05-17 Millers Falls Co Hand tool
US1862337A (en) * 1931-01-28 1932-06-07 George W Emrick Tap, drill, and similar tool
DE891043C (en) * 1951-10-23 1953-09-24 Rehbein Geb Center drill for tapping milling cutter
US3243924A (en) * 1964-01-06 1966-04-05 Wheel Trueing Tool Co Diamond drill bit
JPS6047044B2 (en) * 1981-07-14 1985-10-19 萬デザイン株式会社 Centering device for electromagnetic drill stand
US4900202A (en) * 1988-09-08 1990-02-13 Wienhold James L Chuck assembly for tool bits

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1108248A (en) * 1966-05-26 1968-04-03 Balas Collet Company Quick change tool holder
FR2193681A1 (en) * 1972-07-25 1974-02-22 Bosch Gmbh Robert
DE2621898A1 (en) * 1976-05-17 1977-12-01 Rolf Krage Clamp for precision tool with constant shaft dia. - has internally stepped cylindrical housing and tool holder with spherical pressure piece
GB2096045A (en) * 1981-04-03 1982-10-13 Bosch Gmbh Robert A tool holder
DE3220794A1 (en) * 1982-06-03 1983-12-08 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Sleeve-shaped tool holder for hammer drills
DE3434076A1 (en) * 1984-09-17 1986-04-17 Hilti Ag, Schaan TOOL HOLDER FOR DRILLING AND CHISEL TOOLS

Also Published As

Publication number Publication date
KR920006084A (en) 1992-04-27
JPH06198637A (en) 1994-07-19
DK0474591T3 (en) 1996-04-09
EP0474591A2 (en) 1992-03-11
ES2080935T3 (en) 1996-02-16
DE4027820A1 (en) 1992-03-05
EP0474591B1 (en) 1995-12-27
DE59107142D1 (en) 1996-02-08
ATE132066T1 (en) 1996-01-15
US5174696A (en) 1992-12-29

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