NL7612536A - ELECTRIC WRENCH. - Google Patents
ELECTRIC WRENCH.Info
- Publication number
- NL7612536A NL7612536A NL7612536A NL7612536A NL7612536A NL 7612536 A NL7612536 A NL 7612536A NL 7612536 A NL7612536 A NL 7612536A NL 7612536 A NL7612536 A NL 7612536A NL 7612536 A NL7612536 A NL 7612536A
- Authority
- NL
- Netherlands
- Prior art keywords
- electric wrench
- wrench
- electric
- Prior art date
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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
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 |
---|---|
NL7612536A true NL7612536A (en) | 1977-05-17 |
Family
ID=20326090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7612536A NL7612536A (en) | 1975-11-14 | 1976-11-11 | ELECTRIC WRENCH. |
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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2392522A1 (en) * | 1977-05-28 | 1978-12-22 | Fein C & E | INSTALLATION OF CIRCUITS FOR ELECTRONIC ROTATIONAL TORQUE LIMITATION |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE3546606C2 (en) * | 1985-09-04 | 1990-03-22 | Rainer Dipl.-Ing. 7250 Leonberg De Schroecker | Resistance braking device |
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)
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 FR FR7634109A patent/FR2331423A1/en active Granted
- 1976-11-12 BR BR7607594A patent/BR7607594A/en unknown
- 1976-11-13 DE DE19762651905 patent/DE2651905A1/en active Granted
- 1976-11-15 GB GB4744176A patent/GB1571994A/en not_active Expired
- 1976-11-15 JP JP13645876A patent/JPS6020153B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2392522A1 (en) * | 1977-05-28 | 1978-12-22 | Fein C & E | INSTALLATION OF CIRCUITS FOR ELECTRONIC ROTATIONAL TORQUE LIMITATION |
Also Published As
Publication number | Publication date |
---|---|
FR2331423A1 (en) | 1977-06-10 |
DE2651905C2 (en) | 1987-12-03 |
SE399376B (en) | 1978-02-13 |
JPS6020153B2 (en) | 1985-05-20 |
GB1571994A (en) | 1980-07-23 |
BR7607594A (en) | 1977-09-27 |
SE7512866L (en) | 1977-05-15 |
JPS5264098A (en) | 1977-05-27 |
FR2331423B1 (en) | 1982-09-10 |
IT1074954B (en) | 1985-04-22 |
DE2651905A1 (en) | 1977-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |