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Browse by Category: Main > Tools & Hardware
Class Information
Number: 173/169
Name: Tool driving or impacting > Passage in manipulating handle for drive motor motive fluid > Motive fluid control valve in handle passage
Description: Apparatus in which the internal structure of the means engaged by the hand of the operator is further provided with a means to permit or stop flow or adjust the rate of flow of fluid to the fluid operated tool drive motor.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8672054 Hydraulically actuable hand tool Mar. 18, 2014
8647084 Cylinder dividing mechanism of a pneumatic tool Feb. 11, 2014
8556149 Adjustable exhaust assembly for pneumatic fastener Oct. 15, 2013
8540034 Pneumatic drill device Sep. 24, 2013
8539980 Device for controlled operation of a surgical or dental drive unit Sep. 24, 2013
8522895 Power tool Sep. 3, 2013
8499852 Switch for pneumatic tool Aug. 6, 2013
8444035 Pneumatic staple or nail gun with dual trigger mechanism May. 21, 2013
8430184 Valve for a pneumatic hand tool Apr. 30, 2013
8360098 Monodirectional intake pressure stabilization structure of pneumatic tool Jan. 29, 2013
8353361 Pneumatic tool Jan. 15, 2013
8347979 Motor assembly for pneumatic tool Jan. 8, 2013
8267190 Direction switching and speed controlling device for a pneumatic tool Sep. 18, 2012
8261853 Ergonomic handle for a power tool Sep. 11, 2012
8196675 Impact hammer with pre-pressing damping and buffering effect Jun. 12, 2012
8074733 Three-stage valve switch structure Dec. 13, 2011
8066082 Air driver device Nov. 29, 2011
8020631 Reversible valve assembly for a pneumatic tool Sep. 20, 2011
7958945 Pneumatic tool with sectional adjustment of torsional force Jun. 14, 2011
7938873 Dust suction module for hand-held power tool May. 10, 2011
7896101 Pneumatically operated power tool having mechanism for changing compressed air pressure Mar. 1, 2011
7896100 Valve device for a percussion device and a percussion device for a rock drilling machine Mar. 1, 2011
7886840 Motor assembly for pneumatic tool Feb. 15, 2011
7802633 Reversible valve assembly for a pneumatic tool Sep. 28, 2010
7780754 Rapid-action connection element with a filter Aug. 24, 2010
7770661 Intermediate and assembly assistance components for fluid driven tools and tools incorporating the same Aug. 10, 2010
7753136 Reciprocating pneumatic tool mechanism Jul. 13, 2010
7743791 Air control module unit for portable pneumatic tool Jun. 29, 2010
7708178 Handheld pneumatic tool for breaking up rock May. 4, 2010
7703547 Hand-held impact tools having anti-vibration protection Apr. 27, 2010
7694749 Jackhammer with a lift assist Apr. 13, 2010
7628834 Compressed air filter assembly for nail gun Dec. 8, 2009
7614605 Universal connector for a pneumatic tool with unlocking by air flow Nov. 10, 2009
7610968 Powered hand tool Nov. 3, 2009
7607491 Jackhammer lift assist Oct. 27, 2009
7594549 Rotating direction switching device for a pneumatic tool Sep. 29, 2009
7565934 Handle device for a hammer gun Jul. 28, 2009
7484649 Adjustable exhaust assembly for pneumatic fasteners Feb. 3, 2009
7464768 Intake and exhaust guide device for pneumatic tool Dec. 16, 2008
7461703 Air-inlet controlling assembly for a pneumatic tool Dec. 9, 2008
7461704 Airflow control structure for pneumatic tools Dec. 9, 2008
7445055 Trigger-actuated tip-type air valve with integrated wear surface Nov. 4, 2008
7431102 Switchover mechanism for a reversible control valve of a pneumatic tool Oct. 7, 2008
7413030 Pneumatic hammer drill having vibration damping end cap Aug. 19, 2008
7401662 Powered hand tool Jul. 22, 2008
7373992 Automatic pressure regulating valve for a pneumatic tool May. 20, 2008
7347407 Rotation speed regulating mechanism for pneumatic tools Mar. 25, 2008
7325627 Air tool Feb. 5, 2008
7316341 Adjustable exhaust assembly for pneumatic fasteners Jan. 8, 2008
7311155 Pneumatic tool with direction switch operable with single hand Dec. 25, 2007

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