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EP1149668A3 - Screwdriver bit for hand driven electrical screwdriver - Google Patents

Screwdriver bit for hand driven electrical screwdriver Download PDF

Info

Publication number
EP1149668A3
EP1149668A3 EP01108821A EP01108821A EP1149668A3 EP 1149668 A3 EP1149668 A3 EP 1149668A3 EP 01108821 A EP01108821 A EP 01108821A EP 01108821 A EP01108821 A EP 01108821A EP 1149668 A3 EP1149668 A3 EP 1149668A3
Authority
EP
European Patent Office
Prior art keywords
screwdriver
driven electrical
hand driven
bit
tapered section
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
EP01108821A
Other languages
German (de)
French (fr)
Other versions
EP1149668A2 (en
EP1149668B1 (en
Inventor
Günter Busch
Gerd Erlenkeuser
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
Publication of EP1149668A2 publication Critical patent/EP1149668A2/en
Publication of EP1149668A3 publication Critical patent/EP1149668A3/en
Application granted granted Critical
Publication of EP1149668B1 publication Critical patent/EP1149668B1/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
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

Bei einem Schraubeinsatz (1) für freihand geführte Elektroschrauber, der an seinem einen Ende einen Schaft (1.2) zum Einsetzen in den Elektroschrauber und an seinem anderen Ende einen sich verjüngenden Abschnitt (1.1) zum Einsetzen in eine Kreuzschlitzschraube (2) aufweist, wobei der sich verjüngenden Abschnitt (1.1) mit Antriebsstegen (3) versehen ist, sind auf deren Rücken (3.1) und/oder auf deren Flanken (3.2) einzeln stehende Vorsprünge (4) vorgesehen.

Figure 00000001
In a screwdriver insert (1) for freehand electric screwdrivers, which has at one end a shaft (1.2) for insertion into the electric screwdriver and at its other end a tapered section (1.1) for insertion into a Phillips screw (2), the the tapered section (1.1) is provided with drive webs (3), individual projections (4) are provided on the back (3.1) and / or on its flanks (3.2).
Figure 00000001
EP20010108821 2000-04-26 2001-04-09 Screwdriver bit for hand driven electrical screwdriver Expired - Lifetime EP1149668B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10020433 2000-04-26
DE2000120433 DE10020433C1 (en) 2000-04-26 2000-04-26 Screw driver bit for electric screw driver has screw head contact section with drive bars and triangular projections on bars

Publications (3)

Publication Number Publication Date
EP1149668A2 EP1149668A2 (en) 2001-10-31
EP1149668A3 true EP1149668A3 (en) 2002-05-02
EP1149668B1 EP1149668B1 (en) 2005-10-19

Family

ID=7639983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010108821 Expired - Lifetime EP1149668B1 (en) 2000-04-26 2001-04-09 Screwdriver bit for hand driven electrical screwdriver

Country Status (2)

Country Link
EP (1) EP1149668B1 (en)
DE (2) DE10020433C1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7100773B2 (en) * 2001-09-12 2006-09-05 Phillips Screw Company Product packaging with display
JP4990235B2 (en) * 2008-07-16 2012-08-01 株式会社ベッセル工業 Screwdriver tool
US11541516B2 (en) 2019-09-25 2023-01-03 Snap-On Incorporated Fastener retention and anti-camout tool bit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187892A (en) * 1974-09-12 1980-02-12 Phillips Screw Company Recessed screw heads and drivers
GB2063743A (en) * 1979-11-29 1981-06-10 Crowcroft P L Screwdriver blades
DE4029734A1 (en) * 1990-09-20 1992-03-26 Werner Hermann Wera Werke Non-slip coating of screwdriver bits - is applied by electrical arc discharge from tungsten carbide electrode
DE9400780U1 (en) * 1994-01-18 1994-03-10 Willi Hahn GmbH & Co KG, 78136 Schonach Screwdriver bit for Phillips screws
DE19720139C1 (en) * 1997-05-14 1999-03-18 Hahn Willi Gmbh Screwdriver fastener drive tip

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764197A (en) * 1952-10-07 1956-09-25 North American Aviation Inc Driver for recessed head screws
US4026338A (en) * 1976-04-26 1977-05-31 Goebel Ronald G Retractor for one-way screw
DE19622846A1 (en) * 1996-04-17 1997-12-11 Guenter Busch Screwdriver bit for positive engagement or forced locking insertion in drive of screw head
US5660091A (en) * 1996-02-06 1997-08-26 Walter Lorenz Surgical, Inc. Blunt-nosed, self-retaining screwdriver

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187892A (en) * 1974-09-12 1980-02-12 Phillips Screw Company Recessed screw heads and drivers
GB2063743A (en) * 1979-11-29 1981-06-10 Crowcroft P L Screwdriver blades
DE4029734A1 (en) * 1990-09-20 1992-03-26 Werner Hermann Wera Werke Non-slip coating of screwdriver bits - is applied by electrical arc discharge from tungsten carbide electrode
DE9400780U1 (en) * 1994-01-18 1994-03-10 Willi Hahn GmbH & Co KG, 78136 Schonach Screwdriver bit for Phillips screws
DE19720139C1 (en) * 1997-05-14 1999-03-18 Hahn Willi Gmbh Screwdriver fastener drive tip

Also Published As

Publication number Publication date
DE50107730D1 (en) 2005-11-24
EP1149668A2 (en) 2001-10-31
EP1149668B1 (en) 2005-10-19
DE10020433C1 (en) 2001-06-21

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