Matches 1 - 50 out of 309 1 2 3 4 5 6 7 >


Match Document Document Title
8955614 Pneumatic power wrench with an exhaust air outlet unit  
A portable pneumatic power wrench has a housing with a handle, a motor, a pressure air inlet passage, and an outlet passage for ducting exhaust air from the motor out of the housing. An outlet...
8936104 Fluid-driven medical or dental handle  
A medical or dental, fluid-driven handle with a control or regulation circuit for the limiting, control or regulation to a maximum or predetermined rotational speed and a corresponding process are...
8844646 Integrated cylinder and reversing assembly of a reciprocating pneumatic tool  
An integrated module of a cylinder and reversing assembly of a reciprocating pneumatic tool is arranged between an air pressure control module and a guide outlet of a piston rod in a groove of the...
8739832 Motor assembly for pneumatic tool  
A valve arrangement includes an inlet conduit defining an inlet passage adapted for communication with a supply of pressurized motive fluid, a first planar surface spaced radially from the inlet...
8720601 Pressurised air pick device with variable control  
Pressurized air pick device with variable control that comprises a cylinder and piston assembly for actuating a picking member, and a distribution portion with variable control of the pressurized...
8672054 Hydraulically actuable hand tool  
A hand tool that is preferably hydraulically actuable includes a working head and a body unit that remains in place with respect to the head, drive elements for driving the working head being...
8647084 Cylinder dividing mechanism of a pneumatic tool  
In a cylinder dividing mechanism of a pneumatic tool, the first and second air pressure driving spaces are formed in the chamber, the first and second external channels are set externally on the...
8556149 Adjustable exhaust assembly for pneumatic fastener  
An adjustable exhaust assembly for a pneumatic fastening tool having body and a handle extending from the body, the handle defining an inlet channel for receiving input of pressurized gas and an...
8540034 Pneumatic drill device  
Pneumatic drill device comprising an outer casing, an assembly of a cylinder and a movable piston actuating a pick element, a device for supplying the cylinder with compressed air, an air exhaust...
8539980 Device for controlled operation of a surgical or dental drive unit  
A device for operation of a surgical or dental drive unit includes a control valve attached to a drive unit to control a flow rate of a compressed fluid flowing from a compressed fluid source to...
8522895 Power tool  
A power tool is disclosed. The power tool generally includes a tool body and an internal portion positioned within the tool body. A work piece is operatively coupled to the internal portion. Two...
8499852 Switch for pneumatic tool  
Used in a pneumatic tool, a switch includes a valve seat set in an air intake passage and movable into contact with or away from a gas control member and defining an air hole, and a valve rod...
8444035 Pneumatic staple or nail gun with dual trigger mechanism  
An improved apparatus for nailing or stapling flooring pneumatically, wherein a pneumatic stapler or nailer is provided with a dual trigger single sequential actuation system by which an operator...
8430184 Valve for a pneumatic hand tool  
A valve body has a channel extending along an axis and an inlet port open to the channel. A sleeve, received about the valve body, overlies the inlet port and is rotatable about the axis relative...
8360098 Monodirectional intake pressure stabilization structure of pneumatic tool  
A monodirectional intake pressure stabilization structure of pneumatic tool includes a tool main body and a pressure stabilization unit. The pressure stabilization unit is disposed in a first...
8353361 Pneumatic tool  
A pneumatic tool which can be easily assembled. This pneumatic tool includes a tool housing and an air supply pipe. The tool housing includes a motor housing having a tubular wall, and a tubular...
8347979 Motor assembly for pneumatic tool  
A pneumatic impact wrench includes a handle assembly graspable by a user, a work attachment connected to the handle assembly, an inlet permitting air flow to drive the impact wrench, an outlet...
8267190 Direction switching and speed controlling device for a pneumatic tool  
A direction switching and speed controlling device for an air tool includes two holes provided respectively on two lateral sides of an air cylinder (2). Holes on one side are two air outlets (8),...
8261853 Ergonomic handle for a power tool  
It is an object of the invention to provide a fatigue reducing structure in a hand-held power tool. A representative screwdriver 100 includes a body 101, an anvil 106, a driver bit 110, a driving...
8196675 Impact hammer with pre-pressing damping and buffering effect  
An impact hammer with pre-pressing damping and buffering effect includes a handle, outer barrel, air inlet, internal slide, actuating cylinder, air flow switching module and air inlet coupling...
8074733 Three-stage valve switch structure  
Disclosed is a three-stage valve switch structure, having a specifically designed main switch and an auxiliary switch, and is operated in cooperation with a forward rotation air passageway, and a...
8066082 Air driver device  
An air driver device having a simple construction, being of a compact size, and having excellent durability. The air driver device is designed to shut off a supply of compressed air to an air...
8020631 Reversible valve assembly for a pneumatic tool  
A pneumatic rotary tool comprises a housing, a square drive output member supported by the housing for rotational movement, and a pneumatic motor disposed in the housing for driving rotation of...
7958945 Pneumatic tool with sectional adjustment of torsional force  
The present invention provides a pneumatic tool enabling sectional adjustment of torsional force, including a main body and a cylinder mounted into the accommodation space of main body. The...
7938873 Dust suction module for hand-held power tool  
A dust suction module includes a plurality of bearing surfaces (2, 2′, 2″) with which the dust suction module (1) is mountable on an associated hand-held power tool (3), an air filter (4), a...
7896101 Pneumatically operated power tool having mechanism for changing compressed air pressure  
A pneumatically operated power tool includes an outer frame, a driving components, a pressure reduction valve, and a switching valve. The outer frame has a compressed air intake portion and...
7896100 Valve device for a percussion device and a percussion device for a rock drilling machine  
A valve device (V, 4′) for controlling the movement in a machine housing (2) of a reciprocating percussion piston (3) of a percussion device (1) for a rock drilling machine with a first chamber...
7886840 Motor assembly for pneumatic tool  
A motor arrangement for a pneumatic tool includes a motor cylinder defining a motor chamber, an inlet passage adapted to receive a flow of motive fluid, forward and reverse passages communicating...
7802633 Reversible valve assembly for a pneumatic tool  
A pneumatic rotary tool comprises a housing, a square drive output member supported by the housing for rotational movement, and a pneumatic motor disposed in the housing for driving rotation of...
7780754 Rapid-action connection element with a filter  
A rapid-action connection element for a compressed air hose (3) includes a filter (5) located in the discharge casing (4) for sealing a flow cross-section, a flow-through pressure piston (7)...
7770661 Intermediate and assembly assistance components for fluid driven tools and tools incorporating the same  
A fluid driven tool has an outer housing and an inner motor housing nested in the outer housing and defining a cavity therebetween that has a first end with a first exhaust passageway and a second...
7753136 Reciprocating pneumatic tool mechanism  
The present invention provides a reciprocating pneumatic tool mechanism, including a casing, pneumatically-operated control module, control switch, actuating module and vibration-absorbing member....
7743791 Air control module unit for portable pneumatic tool  
The present invention generally relates to an air control module unit for a portable pneumatic tool, more particularly, to an air control module unit that actuates a valve stem inside an air inlet...
7708178 Handheld pneumatic tool for breaking up rock  
A tool (12) has a body (14) having an opening (16) forming a barrel (18) which has a top and a bottom (20 and 22), an opening (30) at the bottom (22), and a pressure input (44) for fluid...
7703547 Hand-held impact tools having anti-vibration protection  
Impact tools (e.g., riveters) are provided with anti-vibration protection by a cushion pad and an elastomeric sheath. The cushion pad may be formed of a shape-conformable elastomeric material...
7694749 Jackhammer with a lift assist  
The present invention relates to an integrated percussion power tool which contains a percussion mechanism and a lift assist mechanism to reduce the physical demands for its operation by...
7628834 Compressed air filter assembly for nail gun  
An exemplary compressed air filter assembly for nail gun has an end cap at a handle of the nail gun, having an inlet aperture for guiding external compressed air therein, communicating with a main...
7614605 Universal connector for a pneumatic tool with unlocking by air flow  
The present invention provides a universal connector for a pneumatic tool with unlocking by air flow. A directional locating member is mounted between the sleeve and the first coupler, or the...
7594549 Rotating direction switching device for a pneumatic tool  
A rotating direction switching device for a pneumatic tool comprises an air inlet valve and a switch. The air inlet valve is driven to switch the rotating direction of the pneumatic tool by...
7565934 Handle device for a hammer gun  
A handle device for a hammer gun includes a tubular sleeve and a handle body. The tubular sleeve is adapted to connect threadedly with a barrel of the hammer gun, and includes front and rear end...
7484649 Adjustable exhaust assembly for pneumatic fasteners  
An adjustable exhaust assembly for a pneumatic fastening tool having body and a handle extending from the body, the handle defining an inlet channel for receiving input of pressurized gas and an...
7464768 Intake and exhaust guide device for pneumatic tool  
An intake and exhaust guide device for pneumatic tool including a handle, a pressure shunt connector, and two pressure tubes. The handle has a cylindrical hole. The pressure shunt connector is...
7461703 Air-inlet controlling assembly for a pneumatic tool  
An air-inlet controlling assembly for a pneumatic tool having a gun shaped shell with a chamber and a handle communicated with the chamber has an air-inlet assembly, a cylinder assembly and a...
7461704 Airflow control structure for pneumatic tools  
The improved airflow control structure for pneumatic tools has an air inlet to receive external air, a cylinder located in a pneumatic tool and an air intake passage located between them. A valve...
7445055 Trigger-actuated tip-type air valve with integrated wear surface  
A tip valve assembly for a pneumatic tool with an integrated wear surface. The tool has a portion with an air channel bore housing. The tip valve assembly includes a first valve member having a...
7431102 Switchover mechanism for a reversible control valve of a pneumatic tool  
The switch mechanism for the reversible control valve of the pneumatic tool focuses on the switchover bar because of the users' right handed and left-handed issues. The primary feature is to make...
7413030 Pneumatic hammer drill having vibration damping end cap  
A pneumatic hammer drill includes a handle body, a pneumatic cylinder, a piston, a tool, and a damping member. The handle body has an upper part that defines a front cavity and that has a rear...
7401662 Powered hand tool  
A powered hand tool comprising a pneumatic motor including a cylinder, a main body formed as a hollow tube member, a main body rear end being formed with a fluid inlet and a fluid outlet, the main...
7373992 Automatic pressure regulating valve for a pneumatic tool  
A pressure regulating air valve assembly (100) for a pneumatic tool (90) is disclosed that is movable between an open position and a closed position such that the maximum pressure in the tool is...
7347407 Rotation speed regulating mechanism for pneumatic tools  
A rotation speed regulating mechanism for pneumatic tools includes a movable airflow knob coupled on the periphery of an air intake member through screw threads. The airflow knob can be turned to...

Matches 1 - 50 out of 309 1 2 3 4 5 6 7 >