IT1074954B - IMPROVEMENT IN ELECTRICAL DATA TURNS - Google Patents

IMPROVEMENT IN ELECTRICAL DATA TURNS

Info

Publication number: IT1074954B
Authority: IT; Italy
Prior art keywords: improvement; electrical data; data turns; turns; electrical
Prior art date: 1975-11-14

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.)

1975-11-14

Filing date

1976-11-09

Publication date

1985-04-22

1976-11-09 Application filed by Atlas Copco Ab filed Critical Atlas Copco Ab

1985-04-22 Application granted granted Critical

1985-04-22 Publication of IT1074954B publication Critical patent/IT1074954B/en

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
EP3639977A4 (en)	2017-06-16	2020-07-29	Panasonic Intellectual Property Management Co., Ltd.	Power 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

1975
- 1975-11-14 SE SE7512866A patent/SE399376B/en not_active IP Right Cessation
1976
- 1976-11-09 IT IT5209276A patent/IT1074954B/en active
- 1976-11-11 NL NL7612536A patent/NL7612536A/en not_active Application Discontinuation
- 1976-11-12 BR BR7607594A patent/BR7607594A/en unknown
- 1976-11-12 FR FR7634109A patent/FR2331423A1/en active Granted
- 1976-11-13 DE DE19762651905 patent/DE2651905A1/en active Granted
- 1976-11-15 JP JP13645876A patent/JPS6020153B2/en not_active Expired
- 1976-11-15 GB GB4744176A patent/GB1571994A/en not_active Expired

Also Published As

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

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