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Class Information
Number: 173/93
Name: Tool driving or impacting > Impacting devices (e.g., hammers) > With anvil arranged to transmit torsional impact to tool
Description: Apparatus including an anvil which is related to a hammer head in such a manner as to transmit a blow from a hammer to the tool to rotate the tool about an axis.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7607492 |
Electric motor impact tool |
Oct. 27, 2009 |
| 7604640 |
Device and system for applying rotary impact |
Oct. 20, 2009 |
| 7588093 |
Impact mechanism |
Sep. 15, 2009 |
| 7562720 |
Electric motor impact tool |
Jul. 21, 2009 |
| 7510023 |
Impact assembly for a power tool |
Mar. 31, 2009 |
| 7484569 |
Pulse tool |
Feb. 3, 2009 |
| 7461704 |
Airflow control structure for pneumatic tools |
Dec. 9, 2008 |
| 7438140 |
Shock attenuating device for a rotary impact tool |
Oct. 21, 2008 |
| 7410007 |
Impact rotary tool with drill mode |
Aug. 12, 2008 |
| 7404450 |
Pneumatic rotary tool |
Jul. 29, 2008 |
| 7377331 |
Damping driving axle |
May. 27, 2008 |
| 7357194 |
Percussion power tool |
Apr. 15, 2008 |
| 7331404 |
Lubrication system for impact wrenches |
Feb. 19, 2008 |
| 7249638 |
Impact wrench anvil and method of forming an impact wrench anvil |
Jul. 31, 2007 |
| 7225884 |
Hand power tool, in particular drilling screwdriver |
Jun. 5, 2007 |
| 7216723 |
Pulse torque generator and power tool having the same |
May. 15, 2007 |
| 7207393 |
Stepped drive shaft for a power tool |
Apr. 24, 2007 |
| 7198116 |
Wholly air-controlled impact mechanism for high-speed energy-accumulating pneumatic wrench |
Apr. 3, 2007 |
| 7194938 |
Angular impact wrench |
Mar. 27, 2007 |
| 7194939 |
Pneumatic wrench having reinforced strength |
Mar. 27, 2007 |
| 7191848 |
Rolling hammer drill |
Mar. 20, 2007 |
| 7185713 |
Air-driven screwdriver performs hole drilling, thread tapping and bolt tightening |
Mar. 6, 2007 |
| 7182149 |
Pneumatic wrench having reinforced strength |
Feb. 27, 2007 |
| 7174971 |
Clockwise or counterclockwise rotation control device of a pneumatic tool |
Feb. 13, 2007 |
| 7165631 |
Pneumatic wrench having enhanced strength |
Jan. 23, 2007 |
| 7147063 |
Double-ram striker assembly |
Dec. 12, 2006 |
| 7131503 |
Impact driver having a percussion application mechanism which operation mode can be selectively switched between percussion and non-percussion modes |
Nov. 7, 2006 |
| 7124839 |
Impact driver having an external mechanism which operation mode can be selectively switched between impact and drill modes |
Oct. 24, 2006 |
| 7093670 |
Impact drill |
Aug. 22, 2006 |
| 7073606 |
Manual machine tool |
Jul. 11, 2006 |
| 7048075 |
Power tool |
May. 23, 2006 |
| 7032685 |
Fastening tool |
Apr. 25, 2006 |
| 6988565 |
Retrofit kit for a modular control apparatus for a power impact tool |
Jan. 24, 2006 |
| 6983808 |
Power tool with oil circulation apparatus |
Jan. 10, 2006 |
| 6935437 |
Air drill |
Aug. 30, 2005 |
| 6923271 |
Hand power tool |
Aug. 2, 2005 |
| 6918449 |
Magnetic impact tool |
Jul. 19, 2005 |
| 6889778 |
Rotary tool |
May. 10, 2005 |
| 6823949 |
Modular control apparatus for a power impact tool |
Nov. 30, 2004 |
| 6814154 |
Power tool having automatically selective driving direction |
Nov. 9, 2004 |
| 6782956 |
Drive system having an inertial valve |
Aug. 31, 2004 |
| 6761229 |
Impact tool control apparatus and impact tool using the same |
Jul. 13, 2004 |
| 6733414 |
Gear assembly for a power tool |
May. 11, 2004 |
| 6715562 |
Output shaft locking device |
Apr. 6, 2004 |
| 6715564 |
Hydraulic drilling rig |
Apr. 6, 2004 |
| 6708778 |
Hydraulic unit with increased torque |
Mar. 23, 2004 |
| 6666283 |
Hand held power tool |
Dec. 23, 2003 |
| 6655471 |
Impact tool control method and apparatus and impact tool using the same |
Dec. 2, 2003 |
| 6648080 |
Impact device for a pneumatic tool |
Nov. 18, 2003 |
| 6647837 |
Hand tool |
Nov. 18, 2003 |
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