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ATE22406T1 - ELECTRICALLY ACTUATED SCREWDRIVER. - Google Patents

ELECTRICALLY ACTUATED SCREWDRIVER.

Info

Publication number
ATE22406T1
ATE22406T1 AT82301241T AT82301241T ATE22406T1 AT E22406 T1 ATE22406 T1 AT E22406T1 AT 82301241 T AT82301241 T AT 82301241T AT 82301241 T AT82301241 T AT 82301241T AT E22406 T1 ATE22406 T1 AT E22406T1
Authority
AT
Austria
Prior art keywords
driver
screw
reduction system
controlling mechanism
planetary reduction
Prior art date
Application number
AT82301241T
Other languages
German (de)
Inventor
Katsuyuki Totsu
Original Assignee
Katsuyuki Totsu
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 Katsuyuki Totsu filed Critical Katsuyuki Totsu
Application granted granted Critical
Publication of ATE22406T1 publication Critical patent/ATE22406T1/en

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
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/141—Mechanical overload release couplings
    • 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
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • 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
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/004—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type

Landscapes

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

Abstract

An electrically driven screw is disclosed in which a ratchet device is mounted to a portion of a chucking shaft provided with a removable driver bit, said chucking shaft (32) being connected to an output shaft (34) of an electric motor (18) through a planetary reduction system (22) and in which a torque controlling mechanism having a clutch function is mounted to the planetary reduction system. In accordance with the electrically driven screw-driver combination of the ratchet device and the torque controlling mechanism permits the screw-driver to be operated in such a way that only the prefastening, or screwing step may be carried out mechanically and electrically while the finishing step of strong fastening may be performed manually, resulting in a very compact and light screw-driver which is very convenient in portability.
AT82301241T 1982-03-11 1982-03-11 ELECTRICALLY ACTUATED SCREWDRIVER. ATE22406T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP82301241A EP0088836B1 (en) 1982-03-11 1982-03-11 An electrically driven screw-driver

Publications (1)

Publication Number Publication Date
ATE22406T1 true ATE22406T1 (en) 1986-10-15

Family

ID=8189602

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82301241T ATE22406T1 (en) 1982-03-11 1982-03-11 ELECTRICALLY ACTUATED SCREWDRIVER.

Country Status (3)

Country Link
EP (1) EP0088836B1 (en)
AT (1) ATE22406T1 (en)
DE (1) DE3273401D1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145359A (en) * 1983-07-15 1985-03-27 Holland Letz Felo Werkzeug Manual screw-driving tool
FR2598110B2 (en) * 1985-10-24 1989-11-03 Black & Decker Inc IMPROVED MOTORIZED SCREWDRIVER
FR2589097B1 (en) * 1985-10-24 1989-08-04 Black & Decker Inc MOTORIZED SCREWDRIVER
DE3718804A1 (en) * 1987-06-05 1988-12-15 Gardner Denver Gmbh SCREWDRIVER
DE4128651A1 (en) * 1991-08-29 1993-03-04 Gardena Kress & Kastner Gmbh Electric screwdriver with reverse and manual switch settings - has ratchet-and-pawl arrangements in gearbox allowing optional manual screw-driving or withdrawal with motor inoperative
GB2343855B (en) * 1998-11-23 2000-10-04 Ching Chou Lin Gear transmission cartridge
FR2794047A1 (en) * 1999-05-25 2000-12-01 Alexander James Cameron Dunbar SCREWDRIVER OPERATED WITH AN AUTOMATIC LOADING SYSTEM FOR SCREWS OR BOLTS
US6273200B1 (en) 1999-07-07 2001-08-14 Black & Decker Inc. Screwdriver with manuel spindel lock
DE10356006A1 (en) * 2003-11-27 2005-06-23 Robert Bosch Gmbh Handbohrschraubmaschine
EP3005963B1 (en) 2014-10-08 2019-03-27 Medartis Holding AG Electrical machine tool, in particular electric screw driver for use in surgery
CN110576405B (en) * 2019-08-15 2020-12-08 江西万上实业有限公司 Screw nail gun for assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2179724A (en) * 1937-11-03 1939-11-14 Independent Pueumatic Tool Co Nut or screw setting attachment for electric tools
DE1078958B (en) * 1958-04-24 1960-03-31 Hanns Fickert Electric screwdriver
US3491616A (en) * 1968-07-01 1970-01-27 Jean Paul Albert Electric ratchet wrench
DE2513648C2 (en) * 1975-03-27 1982-03-11 Felo-Werkzeugfabrik Friedrich W. Holland-Letz Kg, 3577 Neustadt Ratchet screwdriver
US4078589A (en) * 1976-05-10 1978-03-14 Miller Walter L Battery driven screwdriver
GB2002665B (en) * 1977-07-07 1982-03-03 Totsu K Electrically driven fastening appliance
CH640452A5 (en) * 1979-09-17 1984-01-13 Bernard Lecureux SCREWDRIVER.

Also Published As

Publication number Publication date
EP0088836A1 (en) 1983-09-21
DE3273401D1 (en) 1986-10-30
EP0088836B1 (en) 1986-09-24

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee