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Class Information
Number: 173/181
Name: Tool driving or impacting > Automatic control of power operated means > Drive means responsive to torque or speed condition > Having torque sensor
Description: Apparatus wherein a means is provided to detect the torque produced by the tool.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7395874 |
Slaving and blocking device |
Jul. 8, 2008 |
| 7350286 |
Rotational and axial power transmitting apparatus |
Apr. 1, 2008 |
| 7336048 |
Method for operating a power tool |
Feb. 26, 2008 |
| 7146715 |
Spin pressure power tool |
Dec. 12, 2006 |
| 7090031 |
Intelligent tightening spindle with integrated measurement transducer, servo amplifier, and data processing unit |
Aug. 15, 2006 |
| 7086483 |
Electric tool |
Aug. 8, 2006 |
| 7063171 |
Motor-driven rotary tool with internal heating temperature detecting function |
Jun. 20, 2006 |
| 7053567 |
Power tools |
May. 30, 2006 |
| 7036703 |
Hand-held working tool |
May. 2, 2006 |
| 6978846 |
Power tool used for fastening screw or bolt |
Dec. 27, 2005 |
| 6968908 |
Power tools |
Nov. 29, 2005 |
| 6945337 |
Power impact tool |
Sep. 20, 2005 |
| 6933689 |
Power tools |
Aug. 23, 2005 |
| 6910540 |
Torque control system for electrically driven rotating tools |
Jun. 28, 2005 |
| 6892826 |
Processes of determining torque output and controlling power impact tools using a torque transducer |
May. 17, 2005 |
| 6871153 |
Dynamic calibration qualifier |
Mar. 22, 2005 |
| 6848516 |
Processes of determining torque output and controlling power impact tools using a torque transducer |
Feb. 1, 2005 |
| 6782594 |
Method and apparatus for auditing a tension load in the threaded fastener |
Aug. 31, 2004 |
| 6765357 |
Impact tool control method and apparatus and impact tool using the same |
Jul. 20, 2004 |
| 6761229 |
Impact tool control apparatus and impact tool using the same |
Jul. 13, 2004 |
| 6680595 |
Control method and apparatus of screw fastening apparatus |
Jan. 20, 2004 |
| 6655471 |
Impact tool control method and apparatus and impact tool using the same |
Dec. 2, 2003 |
| 6581696 |
Processes of determining torque output and controlling power impact tools using a torque transducer |
Jun. 24, 2003 |
| 6559613 |
Method for operating an open end power wrench |
May. 6, 2003 |
| 6473962 |
Rotary die cutter apparatus and method |
Nov. 5, 2002 |
| 6460629 |
Pneumatic tool and system for applying torque to fasteners |
Oct. 8, 2002 |
| 6378623 |
Torque control type impact wrench |
Apr. 30, 2002 |
| 6371218 |
Impact-driven rotating device |
Apr. 16, 2002 |
| 6311786 |
Process of determining torque output and controlling power impact tools using impulse |
Nov. 6, 2001 |
| 6263742 |
Method of controlling a screwing spindle |
Jul. 24, 2001 |
| 6212763 |
Torque-turn system for a three-element sucker rod joint |
Apr. 10, 2001 |
| 6196332 |
Rotational energy storage device and tools incorporating same |
Mar. 6, 2001 |
| 6167606 |
Method for tightening a screw connection by means of an impact screwdriver having a variable speed electric drive motor |
Jan. 2, 2001 |
| 6161629 |
Power wrench |
Dec. 19, 2000 |
| 6152243 |
Universal torque power tool |
Nov. 28, 2000 |
| 6055484 |
Tool monitor and assembly qualifier |
Apr. 25, 2000 |
| 5937370 |
Tool monitor and assembly qualifier |
Aug. 10, 1999 |
| 5893420 |
Multi-core cable connector for power wrench |
Apr. 13, 1999 |
| 5874681 |
Device for signal transmission, especially for a screw driving apparatus for ultrasonically controlled tightening of a screw connection |
Feb. 23, 1999 |
| 5848655 |
Oscillating mass-based tool with dual stiffness spring |
Dec. 15, 1998 |
| 5845718 |
Resonant oscillating mass-based torquing tool |
Dec. 8, 1998 |
| 5738177 |
Production assembly tool |
Apr. 14, 1998 |
| 5715894 |
Impact screw-tightening apparatus |
Feb. 10, 1998 |
| 5617924 |
Arrangement for tightening screw connections |
Apr. 8, 1997 |
| 5492185 |
Impulse wrench |
Feb. 20, 1996 |
| 5366026 |
Impact type clamping apparatus |
Nov. 22, 1994 |
| 5315501 |
Power tool compensator for torque overshoot |
May. 24, 1994 |
| 5289886 |
Automatic screw fastening machine |
Mar. 1, 1994 |
| 5285857 |
Nut runner for clamping bolts with predetermined torque and bolt clamping method |
Feb. 15, 1994 |
| 5181575 |
Impact wrench having torque controlling faculty |
Jan. 26, 1993 |
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