EP1122032A3 - Chuck for the ends of shafts of tool inserts, in particular screwdriver bits - Google Patents

Chuck for the ends of shafts of tool inserts, in particular screwdriver bits Download PDF

Info

Publication number
EP1122032A3
EP1122032A3 EP00128469A EP00128469A EP1122032A3 EP 1122032 A3 EP1122032 A3 EP 1122032A3 EP 00128469 A EP00128469 A EP 00128469A EP 00128469 A EP00128469 A EP 00128469A EP 1122032 A3 EP1122032 A3 EP 1122032A3
Authority
EP
European Patent Office
Prior art keywords
ball
shaft end
chuck
socket
screwdriver bits
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
EP00128469A
Other languages
German (de)
French (fr)
Other versions
EP1122032B1 (en
EP1122032A2 (en
Inventor
Mario Ferdani
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.)
Willi Hahn GmbH and Co KG
Original Assignee
Willi Hahn GmbH and Co KG
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 Willi Hahn GmbH and Co KG filed Critical Willi Hahn GmbH and Co KG
Publication of EP1122032A2 publication Critical patent/EP1122032A2/en
Publication of EP1122032A3 publication Critical patent/EP1122032A3/en
Application granted granted Critical
Publication of EP1122032B1 publication Critical patent/EP1122032B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0007—Connections or joints between tool parts
    • B25B23/0035—Connection means between socket or screwdriver bit and tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Abstract

Spannfutter für Schaftenden (5) von Werkzeugeinsatzstücken, insbesondere von Schraubendreherbits (6), mit einer das Schaftende (5) aufnehmenden Buchse (2), deren innerer Querschnitt dem Querschnitt des Schaftendes (5) entspricht, und mindestens einer in eine Rastausnehmung (20, 21) des Schaftendes (5) durch die Bewegung einer auf der Buchse (2) sitzenden Betätigungshülse (3) eingreifenden Kugel (9), die in radialer Richtung begrenzt bewegbar ist, wobei die Kugel (9) in einer radial sich erstreckenden Wandungsbohrung (8) der Buchse (2) angeordnet ist, wobei die auf der Buchse (2) sitzende Betätigungshülse (3) sowohl in einer die Kugel (9) und damit das Werkzeugeinsatzstück (6) freigebenden Stellung als auch in einer die Kugel (9) in der Rastausnehmung (20, 21) des Schaftendes (5) haltenden und damit das Werkzeugeinsatzstück (6) festhaltenden Stellung arretierbar ist.

Figure 00000001
Chuck for shaft ends (5) of tool inserts, in particular screwdriver bits (6), with a socket (2) receiving the shaft end (5), the inner cross section of which corresponds to the cross section of the shaft end (5), and at least one into a latching recess (20, 21) of the shaft end (5) by the movement of a ball (9) engaging on the bushing (2) actuating sleeve (3), which can be moved to a limited extent in the radial direction, the ball (9) in a radially extending wall bore (8 ) of the socket (2) is arranged, wherein the actuating sleeve (3) seated on the socket (2) both in a position releasing the ball (9) and thus the tool insert (6) and in a position in which the ball (9) is located Locking recess (20, 21) of the shaft end (5) holding and thus the tool insert (6) holding position can be locked.
Figure 00000001
EP20000128469 2000-02-03 2000-12-23 Chuck for the ends of shafts of tool inserts, in particular screwdriver bits Expired - Lifetime EP1122032B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20001866U 2000-02-03
DE20001866U DE20001866U1 (en) 2000-02-03 2000-02-03 Chuck for shaft ends of tool bits, especially screwdriver bits

Publications (3)

Publication Number Publication Date
EP1122032A2 EP1122032A2 (en) 2001-08-08
EP1122032A3 true EP1122032A3 (en) 2004-09-08
EP1122032B1 EP1122032B1 (en) 2006-03-01

Family

ID=7936777

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000128469 Expired - Lifetime EP1122032B1 (en) 2000-02-03 2000-12-23 Chuck for the ends of shafts of tool inserts, in particular screwdriver bits

Country Status (2)

Country Link
EP (1) EP1122032B1 (en)
DE (2) DE20001866U1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4238211B2 (en) 2002-06-10 2009-03-18 ヴェラ・ヴェルク・ヘルマン・ヴェルナー・ゲーエムベーハー・ウント・ツェーオー．カーゲー Tool receiving chuck that can be used by rotating around the axis
DE102011010560B4 (en) * 2011-02-07 2015-06-03 Cobit Gmbh Bit holder
CN103021685A (en) * 2012-12-12 2013-04-03 衢州电力局 Operation tool special for power system
US9561581B2 (en) 2015-01-22 2017-02-07 Shu-Hui Yeh Quick-removal socket tool
TWI562872B (en) * 2015-06-12 2016-12-21 Jei Mou Ind Co Ltd Rotatable multi-purpose tool structure
WO2019031275A1 (en) * 2017-08-10 2019-02-14 工機ホールディングス株式会社 Electric tool

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4336376A1 (en) * 1992-10-24 1994-06-09 Schmidt Ulrich Ush Schraubwerk Chuck for stem ends of insertable screwdriver bit - has actuating ball in one radially extended bore in socket wall
WO1998051450A2 (en) * 1997-05-10 1998-11-19 Zierpka Eva Maria Tool system that can be coupled to a lathe drive shaft

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4336376A1 (en) * 1992-10-24 1994-06-09 Schmidt Ulrich Ush Schraubwerk Chuck for stem ends of insertable screwdriver bit - has actuating ball in one radially extended bore in socket wall
WO1998051450A2 (en) * 1997-05-10 1998-11-19 Zierpka Eva Maria Tool system that can be coupled to a lathe drive shaft

Also Published As

Publication number Publication date
EP1122032B1 (en) 2006-03-01
DE50012302D1 (en) 2006-04-27
DE20001866U1 (en) 2000-04-06
EP1122032A2 (en) 2001-08-08

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