EP0990488A3 - Power driven screwdriver - Google Patents

Power driven screwdriver Download PDF

Info

Publication number
EP0990488A3
EP0990488A3 EP99115724A EP99115724A EP0990488A3 EP 0990488 A3 EP0990488 A3 EP 0990488A3 EP 99115724 A EP99115724 A EP 99115724A EP 99115724 A EP99115724 A EP 99115724A EP 0990488 A3 EP0990488 A3 EP 0990488A3
Authority
EP
European Patent Office
Prior art keywords
depth stop
shutoff
dependent
clutch
torque
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
EP99115724A
Other languages
German (de)
French (fr)
Other versions
EP0990488A2 (en
EP0990488B1 (en
Inventor
Manfred Ludwig
Wolfgang Schreiber
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.)
C&E Fein GmbH and Co
Original Assignee
C&E Fein GmbH and Co
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 C&E Fein GmbH and Co filed Critical C&E Fein GmbH and Co
Publication of EP0990488A2 publication Critical patent/EP0990488A2/en
Publication of EP0990488A3 publication Critical patent/EP0990488A3/en
Application granted granted Critical
Publication of EP0990488B1 publication Critical patent/EP0990488B1/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
    • B25B23/0064—Means for adjusting screwing depth
    • 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
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • 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
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/141—Mechanical overload release couplings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

A screwdriver is disclosed, comprising a removable depth stop which selectably either, when equipped with the depth stop, allows noiseless shutoff or, with the depth stop removed, allows torque-dependent shutoff, without any chattering occurring when the machine continues to run. To this end, an adjustable torque-dependent release clutch is combined with an entrainment clutch of known type, which is additionally preceded by a disconnect clutch, a locking means being provided in order to hold a throwout ring, which forms one of the two elements of the disconnect clutch, in a predetermined position under load. In this way, noiseless operation is ensured after release, both when working with the depth stop and in the case of torque-dependent shutoff, with the depth stop removed.
EP99115724A 1998-09-30 1999-08-10 Power driven screwdriver Expired - Lifetime EP0990488B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19845018 1998-09-30
DE19845018A DE19845018C1 (en) 1998-09-30 1998-09-30 Powered screwdriver tool

Publications (3)

Publication Number Publication Date
EP0990488A2 EP0990488A2 (en) 2000-04-05
EP0990488A3 true EP0990488A3 (en) 2000-05-10
EP0990488B1 EP0990488B1 (en) 2002-01-23

Family

ID=7882913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99115724A Expired - Lifetime EP0990488B1 (en) 1998-09-30 1999-08-10 Power driven screwdriver

Country Status (6)

Country Link
US (1) US6176162B1 (en)
EP (1) EP0990488B1 (en)
JP (1) JP3451039B2 (en)
AT (1) ATE212275T1 (en)
DE (2) DE19845018C1 (en)
ES (1) ES2172275T3 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0107746D0 (en) 2001-03-28 2001-05-16 Nokia Networks Oy Transmissions in a communication system
DE10029721A1 (en) * 2000-06-16 2001-12-20 Hilti Ag Screw driving tool has detachable dust-repelling sleeve arranged between depth stop and bit holder, and selectively coupled with bit holder
DE10057139A1 (en) * 2000-11-17 2002-05-23 Hilti Ag Electric hand tool with safety clutch
DE10124572A1 (en) * 2001-05-14 2002-11-21 C & E Fein Gmbh & Co Kg Power driven screwdriver with torque limiting clutch
DE10124573A1 (en) * 2001-05-14 2002-11-21 C & E Fein Gmbh & Co Kg Power-driven offset screw driver with torque limitation coupling has floating roller on shaft between coupling bodies, for line contact between parts and wider load distribution
US6758116B2 (en) * 2001-06-28 2004-07-06 Porter-Cable/Delta Depth adjusting system for a screw gun
US6665923B2 (en) 2001-06-29 2003-12-23 Porter-Cable/Delta Clutch for a screw gun and utilizing method
DE10308272B4 (en) * 2002-03-05 2012-05-24 Makita Corp. screwdriver
US7127955B2 (en) * 2004-03-12 2006-10-31 Bondhus Corporation Torque limiting handle
US7185562B2 (en) * 2004-12-08 2007-03-06 Osteomed L.P. Disposable battery powered screw driver, locking mechanism, and accessories
CN100574946C (en) 2005-06-01 2009-12-30 密尔沃基电动工具公司 Power tool
US7600452B2 (en) * 2007-03-30 2009-10-13 Honda Motor Co., Ltd. Pneumatic tappet adjustment tool
US8911320B2 (en) 2009-08-28 2014-12-16 Makita Corporation Power tool
US9186808B2 (en) 2009-08-28 2015-11-17 Makita Corporation Power tool with continuously-variable transmission traction drive
JP5523767B2 (en) * 2009-08-28 2014-06-18 株式会社マキタ Power tools
DE102010024920A1 (en) 2010-06-18 2011-12-22 C. & E. Fein Gmbh Screwdrivers
JP5758762B2 (en) * 2011-09-28 2015-08-05 株式会社ミツトヨ Constant pressure device and micrometer
US20170259414A1 (en) * 2016-03-09 2017-09-14 Océ Holding B.V. Adjustment tool
JP6837906B2 (en) * 2017-04-26 2021-03-03 株式会社マキタ Electric driver
CN108177115B (en) * 2018-03-20 2024-02-06 武汉多可特医疗器械有限公司 Self-clamping screw electric screwdriver
DE102018112068A1 (en) * 2018-05-18 2019-11-21 Wera Werkzeuge Gmbh Wrench for transmitting two fixed torques
IT201900016283A1 (en) * 2019-09-13 2021-03-13 Piaggio & C Spa COMBUSTION ENGINE WITH DEVICE FOR CHANGING THE PHASE OF THE VALVES OF A CAMSHAFT
DE202019106525U1 (en) * 2019-11-22 2021-02-26 C. & E. Fein Gmbh Hand machine tool
EP4117863A4 (en) * 2020-03-13 2024-03-27 Black & Decker, Inc. Pipe clamp, pipe clamp driver and anti-backdrive mechanism

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2765059A (en) * 1952-09-18 1956-10-02 Chicago Pneumatic Tool Co Torque control clutch device
US3115230A (en) * 1961-08-21 1963-12-24 Aro Corp Torque release clutch
US4655103A (en) * 1985-03-23 1987-04-07 C. &. E. Fein Gmbh & Co. Clutch for power screwdrivers
DE3933913A1 (en) * 1989-10-11 1991-04-18 Forst Saltus Werk Torque wrench with transmission device - to transmit torque up to predetermined loading when it moves to overload position

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631992A (en) * 1984-06-01 1986-12-30 Dresser Industries, Inc. Screwdriver
DE3610820A1 (en) * 1986-04-01 1987-10-15 Fein C & E MOTOR DRIVEN MACHINE WITH TORQUE ADJUSTMENT, ESPECIALLY ELECTRIC HAND TOOL
DE3918227C1 (en) * 1989-06-03 1990-11-15 C. & E. Fein Gmbh & Co, 7000 Stuttgart, De
DE3918278A1 (en) * 1989-06-05 1990-12-06 Rau Gmbh G MEDIUM ELECTRODE FOR SPARK PLUGS AND INTERNAL COMBUSTION ENGINES
DE4123349C1 (en) * 1991-07-15 1993-03-04 Fein C & E Screwdriver with variable torque setting
JP3007328U (en) 1994-07-29 1995-02-14 株式会社ムロコーポレーション Clutch device in electric screw tightening machine
US5655103A (en) * 1995-02-13 1997-08-05 International Business Machines Corporation System and method for handling stale data in a multiprocessor system
SE505895C2 (en) * 1995-11-16 1997-10-20 Atlas Copco Tools Ab Power screw driver
US5881613A (en) * 1997-04-04 1999-03-16 Han; Ki Su Screwdriver having disengaging mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2765059A (en) * 1952-09-18 1956-10-02 Chicago Pneumatic Tool Co Torque control clutch device
US3115230A (en) * 1961-08-21 1963-12-24 Aro Corp Torque release clutch
US4655103A (en) * 1985-03-23 1987-04-07 C. &. E. Fein Gmbh & Co. Clutch for power screwdrivers
DE3933913A1 (en) * 1989-10-11 1991-04-18 Forst Saltus Werk Torque wrench with transmission device - to transmit torque up to predetermined loading when it moves to overload position

Also Published As

Publication number Publication date
EP0990488A2 (en) 2000-04-05
ES2172275T3 (en) 2002-09-16
EP0990488B1 (en) 2002-01-23
JP2000108046A (en) 2000-04-18
US6176162B1 (en) 2001-01-23
DE59900765D1 (en) 2002-03-14
ATE212275T1 (en) 2002-02-15
JP3451039B2 (en) 2003-09-29
DE19845018C1 (en) 1999-12-16

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