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Class Information
Number: 173/179
Name: Tool driving or impacting > Automatic control of power operated means > Drive means responsive to torque or speed condition > With speed responsive governor
Description: Apparatus including a regulator controlling the rate of motion of the drive means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7588098 |
Controller for use with an electric screwdriver |
Sep. 15, 2009 |
| 7475739 |
Hand-held machine tool comprising a dust box |
Jan. 13, 2009 |
| 7410006 |
Power tool anti-kickback system with rotational rate sensor |
Aug. 12, 2008 |
| 7395874 |
Slaving and blocking device |
Jul. 8, 2008 |
| 7334648 |
Rotary impact power tool |
Feb. 26, 2008 |
| 7090031 |
Intelligent tightening spindle with integrated measurement transducer, servo amplifier, and data processing unit |
Aug. 15, 2006 |
| 7040414 |
Pneumatic tool |
May. 9, 2006 |
| 6971454 |
Pulsed rotation screw removal and insertion device |
Dec. 6, 2005 |
| 6854529 |
Optimizing method for regulating the operating state of a guided machine tool comprising a rotating percussion tool during a boring process |
Feb. 15, 2005 |
| 6536537 |
Screw drivers |
Mar. 25, 2003 |
| 6484814 |
Electric hand tool implement with no-load stroke disconnection |
Nov. 26, 2002 |
| 5839518 |
Centrifugal force-controlled coupling switch mechanism for an electric drill |
Nov. 24, 1998 |
| 5786812 |
Tablet pointer |
Jul. 28, 1998 |
| 5740892 |
Power wrench torque transmission mechanism |
Apr. 21, 1998 |
| 5379851 |
Power screwdriver |
Jan. 10, 1995 |
| 5156221 |
Method of and arrangement for controlling the operation of a hand-held electrical device |
Oct. 20, 1992 |
| 5154242 |
Power tools with multi-stage tightening torque control |
Oct. 13, 1992 |
| 4947939 |
Structure of motorized screw bolt driving tool |
Aug. 14, 1990 |
| 4729436 |
Ball and disc over-speed shut-off mechanism for a rotary pneumatic tool |
Mar. 8, 1988 |
| 4444272 |
Overspeed safety device |
Apr. 24, 1984 |
| 4359107 |
Shut-off apparatus for pneumatic driven tools |
Nov. 16, 1982 |
| 4351078 |
Driving arrangements for floor maintenance machines |
Sep. 28, 1982 |
| 4346765 |
Speed responsive motor shutoff mechanism for fluid operated tool |
Aug. 31, 1982 |
| 4307784 |
Shut-off apparatus for pneumatic driven tools |
Dec. 29, 1981 |
| 4291771 |
Rotary percussion hydraulic drilling machine |
Sep. 29, 1981 |
| 4222702 |
Deceleration sensitive air tool shutoff |
Sep. 16, 1980 |
| 4057113 |
Pneumatically powered hand tool with speed-control governor |
Nov. 8, 1977 |
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