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Class Information
Number: 81/480
Name: Tools > Wrench, screwdriver, or driver therefor > Responsive to torque on work > Work engaging portion pivotally or rotatably connected to handle > Axis of connection coaxial to rotational axis of work
Description: Wrench or screwdriver in which the pivotal or rotational axis of the connection is coaxial with the axis about which the work turns.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7467576 |
Fixed torque limiting driver |
Dec. 23, 2008 |
| 7430945 |
Ratcheting torque wrench |
Oct. 7, 2008 |
| 7383756 |
Torque screwdriver structure |
Jun. 10, 2008 |
| 7281457 |
Wrench with adjustable maximum operational torque |
Oct. 16, 2007 |
| 7243581 |
Fixed torque limiting driver |
Jul. 17, 2007 |
| 7222559 |
Screwdriver with torque setting mechanism |
May. 29, 2007 |
| 7159494 |
Torque limiting wrench for ultrasonic scaler tip insertion |
Jan. 9, 2007 |
| 7127955 |
Torque limiting handle |
Oct. 31, 2006 |
| 7093522 |
Torque indicating wrench |
Aug. 22, 2006 |
| 7044036 |
Preset torque wrench with multiple setting torque selector mechanism |
May. 16, 2006 |
| 7021180 |
Torque sensing tool |
Apr. 4, 2006 |
| 6948410 |
Torque wrench with sleeve for locking rotatable handle |
Sep. 27, 2005 |
| 6945144 |
Torque wrench with finite plurality of selectable torque values |
Sep. 20, 2005 |
| 6886434 |
Wrench with a fixed maximum operational torque |
May. 3, 2005 |
| 6666117 |
Wrench with a fixed maximum operational torque |
Dec. 23, 2003 |
| 6662693 |
Wrench with a fixed maximum operational torque |
Dec. 16, 2003 |
| 6439086 |
Torque limiting device |
Aug. 27, 2002 |
| 6330846 |
Chuck for bits or the like |
Dec. 18, 2001 |
| 6178853 |
Actuating device for an electrical power wrench |
Jan. 30, 2001 |
| 5735183 |
Power screwdriver and clutch mechanism used therein |
Apr. 7, 1998 |
| 5643089 |
Non-jarring torque wrench with removable output shaft |
Jul. 1, 1997 |
| 5617766 |
Torque wrench device |
Apr. 8, 1997 |
| 5224403 |
Predetermined torque yielding wrench |
Jul. 6, 1993 |
| 4832299 |
Clamp fixture |
May. 23, 1989 |
| 4571696 |
Electronically controlled screwdriver with quality check indicator |
Feb. 18, 1986 |
| 4446766 |
Bladed rotor turning apparatus |
May. 8, 1984 |
| 4249435 |
Workpiece turning hand tool with torque control |
Feb. 10, 1981 |
| 4238978 |
Torque wrench |
Dec. 16, 1980 |
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