FR2285742B1 - - Google Patents
Info
- Publication number
- FR2285742B1 FR2285742B1 FR7528841A FR7528841A FR2285742B1 FR 2285742 B1 FR2285742 B1 FR 2285742B1 FR 7528841 A FR7528841 A FR 7528841A FR 7528841 A FR7528841 A FR 7528841A FR 2285742 B1 FR2285742 B1 FR 2285742B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
- H02K7/145—Hand-held machine tool
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
- H01H9/061—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a continuously variable impedance
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drilling And Boring (AREA)
- Control Of Electric Motors In General (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742444739 DE2444739C3 (en) | 1974-09-19 | 1974-09-19 | Device for speed control of an electric motor built into a hand tool |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2285742A1 FR2285742A1 (en) | 1976-04-16 |
FR2285742B1 true FR2285742B1 (en) | 1982-04-02 |
Family
ID=5926173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7528841A Granted FR2285742A1 (en) | 1974-09-19 | 1975-09-19 | Speed control of portable tool with built in electromotor - has pushbutton control with adjustment wheel setting stop for travel of variable resistance contact |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH585989A5 (en) |
DE (1) | DE2444739C3 (en) |
FR (1) | FR2285742A1 (en) |
NL (1) | NL180058C (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2634920A1 (en) * | 1976-08-03 | 1978-02-09 | Scintilla Ag | DEVICE FOR ADJUSTING THE SPEED OF AN ELECTRIC MOTOR BUILT IN A HANDHELD MACHINE |
DE2738249C2 (en) * | 1977-08-25 | 1985-04-25 | Robert Bosch Gmbh, 7000 Stuttgart | Starting current limitation for universal motor |
DE3146339C2 (en) * | 1981-11-23 | 1984-03-08 | Black & Decker, Inc. (eine Gesellschaft n.d.Ges.d. Staates Delaware), 19711 Newark, Del. | Method for determining and setting the working torque of a power tool with a universal motor |
DE3544351A1 (en) * | 1985-12-14 | 1987-06-19 | Scintilla Ag | BUILT-IN SWITCHING DEVICE, ESPECIALLY FOR HAND DRILLING MACHINES |
DE3934950A1 (en) * | 1989-10-20 | 1991-04-25 | Marquardt Gmbh | SPEED CONTROLLER FOR ELECTRIC MOTORS OF ELECTRIC TOOLS |
DE4006466A1 (en) * | 1990-03-01 | 1991-09-05 | Black & Decker Inc | COUNTER |
US5365155A (en) * | 1990-10-22 | 1994-11-15 | Marquardt Gmbh | Rotational speed control and use of same to control the rotational speed of an electric hand tool motor |
DE102009004320B4 (en) * | 2008-01-17 | 2021-02-25 | Marquardt Gmbh | Electric switch |
CN103121120B (en) * | 2013-02-01 | 2015-10-28 | 宁波市海联电器有限公司 | Electric drill |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2940488A (en) * | 1959-08-17 | 1960-06-14 | Black & Decker Mfg Co | Depth gauge for power-operated screwdriver, nut-runner, and the like |
CH356396A (en) * | 1960-07-13 | 1961-08-15 | Duss Friedrich Fa | Device on an electric hand drill to optionally change the latter for rotary drilling and percussion drilling |
NL134359C (en) * | 1965-12-27 | |||
US3439248A (en) * | 1966-01-04 | 1969-04-15 | Singer Co | Trigger-actuated motor speed control and switching device having multiple selective positions for setting motor speeds |
-
1974
- 1974-09-19 DE DE19742444739 patent/DE2444739C3/en not_active Expired
-
1975
- 1975-08-21 CH CH1101775A patent/CH585989A5/xx not_active IP Right Cessation
- 1975-09-18 NL NL7511006A patent/NL180058C/en not_active IP Right Cessation
- 1975-09-19 FR FR7528841A patent/FR2285742A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2285742A1 (en) | 1976-04-16 |
NL7511006A (en) | 1976-03-23 |
NL180058B (en) | 1986-07-16 |
NL180058C (en) | 1986-12-16 |
DE2444739A1 (en) | 1976-04-08 |
CH585989A5 (en) | 1977-03-15 |
DE2444739C3 (en) | 1984-03-15 |
DE2444739B2 (en) | 1980-11-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |