IT1074954B - IMPROVEMENT IN ELECTRICAL DATA TURNS - Google Patents

IMPROVEMENT IN ELECTRICAL DATA TURNS

Info

Publication number
IT1074954B
IT1074954B IT5209276A IT5209276A IT1074954B IT 1074954 B IT1074954 B IT 1074954B IT 5209276 A IT5209276 A IT 5209276A IT 5209276 A IT5209276 A IT 5209276A IT 1074954 B IT1074954 B IT 1074954B
Authority
IT
Italy
Prior art keywords
improvement
electrical data
data turns
turns
electrical
Prior art date
Application number
IT5209276A
Other languages
Italian (it)
Original Assignee
Atlas Copco Ab
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 Atlas Copco Ab filed Critical Atlas Copco Ab
Application granted granted Critical
Publication of IT1074954B publication Critical patent/IT1074954B/en

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D17/00—Control of torque; Control of mechanical power
    • G05D17/02—Control of torque; Control of mechanical power characterised by the use of electric means
    • 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
    • B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
IT5209276A 1975-11-14 1976-11-09 IMPROVEMENT IN ELECTRICAL DATA TURNS IT1074954B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7512866A SE399376B (en) 1975-11-14 1975-11-14 ELECTRIC NUTSTRACTOR

Publications (1)

Publication Number Publication Date
IT1074954B true IT1074954B (en) 1985-04-22

Family

ID=20326090

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5209276A IT1074954B (en) 1975-11-14 1976-11-09 IMPROVEMENT IN ELECTRICAL DATA TURNS

Country Status (8)

Country Link
JP (1) JPS6020153B2 (en)
BR (1) BR7607594A (en)
DE (1) DE2651905A1 (en)
FR (1) FR2331423A1 (en)
GB (1) GB1571994A (en)
IT (1) IT1074954B (en)
NL (1) NL7612536A (en)
SE (1) SE399376B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2724293C2 (en) * 1977-05-28 1984-09-06 C. & E. Fein Gmbh & Co, 7000 Stuttgart Electronic circuit arrangement for torque limitation
US4267914A (en) * 1979-04-26 1981-05-19 Black & Decker Inc. Anti-kickback power tool control
DE3236033A1 (en) * 1982-09-29 1984-03-29 Robert Bosch Gmbh, 7000 Stuttgart SCREW DEVICE
JPS6020870A (en) * 1983-07-12 1985-02-02 日立工機株式会社 Control system of clutch type motorized clamping tool
DE3500714C1 (en) * 1985-01-11 1988-12-22 Kipfelsberger, Albert, 8070 Ingolstadt Power wrench with torque limitation
DE3539841C3 (en) * 1985-09-04 1994-02-24 Schroecker Rainer Resistance braking device for a series connection commutator motor
GB2198983A (en) * 1986-12-17 1988-06-29 Sps Technologies Method of and apparatus for tightening screw-threaded fasteners
DE3718804A1 (en) * 1987-06-05 1988-12-15 Gardner Denver Gmbh SCREWDRIVER
DE3938787A1 (en) * 1989-11-23 1991-05-29 Gardner Denver Gmbh Electric screwdriver with torque-monitoring and braking circuits - has strain-guage torque meter providing continuous braking signal during rapid deceleration of motor
SE508963C2 (en) * 1997-04-22 1998-11-23 Atlas Copco Tools Ab Method for tightening screw joints
DE102004053288A1 (en) * 2004-11-04 2006-05-11 Paul-Heinz Wagner Method for controlling a tightening behavior of a screwing device
DE102007000281A1 (en) * 2007-05-21 2008-11-27 Hilti Aktiengesellschaft Method for controlling a screwdriver
DE102011102275A1 (en) * 2011-05-23 2012-11-29 C. & E. Fein Gmbh Screwdriver and method for controlling a screwdriver
JPWO2018230140A1 (en) 2017-06-16 2020-04-02 パナソニックＩｐマネジメント株式会社 Electric tool

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1184847A (en) * 1915-07-07 1916-05-30 Morgan C French Brush-plow.
US2842720A (en) * 1953-11-05 1958-07-08 Ohio Brass Co Circuit control system and controller therefor
US3195704A (en) * 1962-08-02 1965-07-20 Rockwell Mfg Co Torque responsive control for motor driven tool
FR86794E (en) * 1963-12-13 1966-04-08 Mavilor Improvements made to electric motors with commutator
DE1538612A1 (en) * 1966-01-07 1969-11-06 Koenig & Bauer Ag Drive for facilities where it is necessary to maintain a desired closing force or the like. arrives
US3715642A (en) * 1971-06-21 1973-02-06 Singer Co Dc control circuits for direct drive motors continuously coupled to sewing machines for controlling sewing functions
US3892146A (en) * 1973-08-31 1975-07-01 Shibaura Engineering Works Ltd Electric control for an electric motor operated nut fastening tool

Also Published As

Publication number Publication date
GB1571994A (en) 1980-07-23
JPS5264098A (en) 1977-05-27
BR7607594A (en) 1977-09-27
SE399376B (en) 1978-02-13
FR2331423A1 (en) 1977-06-10
FR2331423B1 (en) 1982-09-10
DE2651905C2 (en) 1987-12-03
SE7512866L (en) 1977-05-15
DE2651905A1 (en) 1977-05-18
NL7612536A (en) 1977-05-17
JPS6020153B2 (en) 1985-05-20

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