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DE50310007D1 - screwdriver - Google Patents

screwdriver

Info

Publication number
DE50310007D1
DE50310007D1 DE50310007T DE50310007T DE50310007D1 DE 50310007 D1 DE50310007 D1 DE 50310007D1 DE 50310007 T DE50310007 T DE 50310007T DE 50310007 T DE50310007 T DE 50310007T DE 50310007 D1 DE50310007 D1 DE 50310007D1
Authority
DE
Germany
Prior art keywords
tip
grip
fitted
screwdriver
spring grip
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
DE50310007T
Other languages
German (de)
Inventor
Otmar Karle
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.)
Wiha Werkzeuge GmbH
Original Assignee
Wiha Werkzeuge GmbH
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 Wiha Werkzeuge GmbH filed Critical Wiha Werkzeuge GmbH
Application granted granted Critical
Publication of DE50310007D1 publication Critical patent/DE50310007D1/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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02—Arrangements for handling screws or nuts
    • B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
    • B25B23/105—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving 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
    • 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
    • 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
    • B25B23/02—Arrangements for handling screws or nuts
    • B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
    • B25B23/105—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit
    • B25B23/108—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit the driving bit being a Philips type bit, an Allen type bit or a socket

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Valve Device For Special Equipments (AREA)
  • Surgical Instruments (AREA)
  • Transplanting Machines (AREA)

Abstract

A screwdriver for screws with inner profile has a correspondingly shaped tip to locate into the profile. A spring grip is fitted to the tip to secure the tip into the recessed head of the screw. The spring grip can have various shapes and is either fitted to the tip or comprises an extension of the tip, to grip into the recessed head. A simple spring grip has a spiral shape while other variations include circular grips and sprung tags.
DE50310007T 2003-09-05 2003-12-17 screwdriver Expired - Lifetime DE50310007D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20313791U DE20313791U1 (en) 2003-09-05 2003-09-05 screwdriver

Publications (1)

Publication Number Publication Date
DE50310007D1 true DE50310007D1 (en) 2008-07-31

Family

ID=29432991

Family Applications (2)

Application Number Title Priority Date Filing Date
DE20313791U Expired - Lifetime DE20313791U1 (en) 2003-09-05 2003-09-05 screwdriver
DE50310007T Expired - Lifetime DE50310007D1 (en) 2003-09-05 2003-12-17 screwdriver

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE20313791U Expired - Lifetime DE20313791U1 (en) 2003-09-05 2003-09-05 screwdriver

Country Status (4)

Country Link
EP (1) EP1512494B1 (en)
AT (1) ATE398506T1 (en)
DE (2) DE20313791U1 (en)
WO (1) WO2005032767A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9931739B2 (en) 2014-01-16 2018-04-03 Milwaukee Electric Tool Corporation Screwdriver
USD769689S1 (en) 2015-01-15 2016-10-25 Milwaukee Electric Tool Corporation Fastener driver
DE102019009234B4 (en) 2019-10-11 2024-05-23 PSZ electronic GmbH Fastener system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060113A (en) * 1974-07-03 1977-11-29 Ryuzo Matsushima Tightening device for threaded screw part
US5237893A (en) * 1990-05-22 1993-08-24 Textron Inc. Driver with fastener retention means
CA2243315A1 (en) * 1998-07-16 2000-01-16 Willi Hahn Gmbh & Co. Kg Screwdriver
CA2460626A1 (en) * 2001-07-12 2003-01-23 Synthes (U.S.A.) Screwdriver with a screw holder
US6681662B2 (en) * 2002-03-01 2004-01-27 Bondhus Corporation Tool with fastener engaging member

Also Published As

Publication number Publication date
EP1512494B1 (en) 2008-06-18
EP1512494A1 (en) 2005-03-09
DE20313791U1 (en) 2003-11-06
WO2005032767A1 (en) 2005-04-14
ATE398506T1 (en) 2008-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition