Matches 1 - 50 out of 90 1 2 >
Match Document Document Title
7594550 Pneumatic hand tool  
A compact pneumatic hand tool having a cylinder assembly received in a space of a body, wherein, the bottom inlet opening of the cylinder assembly is communicated with the air inlet in the space,...
RE40807 Fluid-operated power tool  
A fluid-operated power tool has an engaging part with a turnable engaging element for engaging and turning a threaded connector, and a power drive part with a power drive operative for turning the...
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...
7458429 Pneumatic hand tool  
A compact pneumatic hand tool composed of a body, a cylinder assembly, a sealing pad, a striking assembly, a front cap, a control knob, a ventilation cap and threaded bolts. A first bearing is...
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...
7398836 Pneumatic power tool with adjustable exhaust air outlet detector  
A pneumatic power tool includes a housing, a motor, a pressure air inlet passage, an exhaust air outlet passage, and an exhaust air outlet flow deflector. The exhaust air outlet flow detector...
7380611 Rock drilling machine and rock drilling system  
A rock drilling machine ( 1 ) having, on a machine housing ( 2 ), a first attachment element on a first attachment side ( 13 ) for its fastening to a slide member which is movable back and forth...
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...
7354260 Pneumatic motor including a rotor in a cylinder between two covers in a shell from which air travels into the cylinder through the covers  
A pneumatic motor includes a shell, two covers, a cylinder and a rotor. The shell defines a space, at least one inlet in communication with the space and at least one outlet in communication with...
7243753 Carrier vehicle for drilling or rockbolting machine  
The invention relates to drilling or rockbolting machines, for the execution of underground works, in particular in mining operations. The carrier vehicle comprises a chassis and four wheels, all...
7222680 Pneumatic motor improvements and pneumatic tools incorporating same  
A pneumatic motor having a motor chamber having an inner surface with an eccentric longitudinal axis, a motive gas fluid inlet, and at least one end wall located transversely to the longitudinal...
7207394 Intermediate and assembly assistance components for fluid driven tools and tools incorporating the same  
A flow guide configured for insertion in a cavity defined between an outer housing and a nested inner motor housing of a fluid driven tool. The flow guide defines a longitudinal axis and includes...
7073608 Power tool  
A portable tool comprising a spindle defining a longitudinal axis, a spring extending around the spindle in the axial direction for biasing a component of the tool, a stop ring extending around the...
7040414 Pneumatic tool  
A pneumatic tool includes a housing, a driving mechanism, a rear cap, a direction controller, a speed controller, and an operating member. The housing is formed with a component chamber and an...
6988565 Retrofit kit for a modular control apparatus for a power impact tool  
The invention comprises retrofit kits for power impact tools. The retrofit kits adapt modular control apparatuses to power impact tools that where not originally manufactured to receive a modular...
6966240 Hydraulic ratchet wrench with double-action hydraulic cylinder piston drive  
The invention relates to a hydraulic ratchet wrench with a double-action hydraulic cylinder piston drive with a gear pump ( 20 ) and a piston pump ( 21 ). According to the invention, a working...
6935437 Air drill  
An air drill includes a body having a grip portion having an air supply passage and an air exhaust passage formed therein, a trigger portion formed above the grip portion and supporting a trigger,...
6932165 Controlling mechanism of pneumatic tool  
A controlling mechanism of pneumatic tool. The controlling mechanism is formed with a radial hole in which a speed adjustment button and a direction switching button are disposed. A pad member is...
6702038 Hydraulic motor  
A hydraulic motor, especially for driving of rotating tools, consisting of a chamber ( 2 ) provided with an inlet ( 10 ) for supplying fluid, and with at least one outlet hole ( 6 ), before which,...
6681870 Hydraulic actuator  
The invention concerns an hydraulically powered mechanism of the kind having a piston assembly which is arranged to be driven by hydraulic fluid acting on it in a working zone and an item of...
6644420 Compressed air tool  
A turning device for compressed air tools. which is operated by a compressed fluid, is provided with a housing and with a rotor, which is rotatably arranged in a front housing part and into whose...
6644419 Air-input speed regulator for pneumatic tool  
An air-input speed regulator for pneumatic tool includes an air intake connector having a seat and a tubular portion, and a regulating knob rotatably mounted around the connector. An axial channel...
6557649 Pneumatic tool structure  
A pneumatic tool structure including a main body integrally having an elbow. A pneumatic motor, a switch unit and an intake unit are disposed in the main body. A driving unit is disposed in the...
6439316 Power tong with shutdown system and method  
A power tong 10 for making up and breaking apart threaded oilfield tubular connections includes a frame 11 having an open throat 20 , a rotary ring 16 having an open throat 22 , and a door ...
6250399 Pneumatic tool with a reverse valve having an overdrive  
The invention is a pneumatic tool with a reverse valve having an overdrive. In particular, the pneumatic tool includes a housing, a rotor, rotatably mounted within the housing, an output shaft...
6223836 Fluid-operated power tool  
A fluid-operated power tool has an engaging part including an engaging element for engaging and turning a threaded connector, and a drive part including a fluid-operated drive with a cylinder and a...
6179063 Impulse wrench  
The present invention relates to an impulse wrench for use in conjunction with a fastener engaging tool and a power supply to selectively rotate threaded fasteners. The wrench comprises a housing...
6161627 Particle separator and pneumatic tool incorporating same  
A particle separator and a pneumatic tool incorporating the same for separating particles from a fluid passed therethrough. The particle separator includes an inlet passageway having an upstream...
6155354 Interchangeable grips for power hand tools  
A replaceable, flexible and resilient grip is slidably fitted over a generally cylindrical handle portion of a power hand tool housing. In one embodiment, for use with a pistol grip housing with a...
6152245 Compressed-air-operated percussion mechanism  
6062323 Pneumatic tool with increased power capability  
A pneumatic tool includes a housing defining an air inlet and first and second exhaust passages and an air motor fluidly coupled to the air inlet and disposed in the housing. The motor produces...
6059049 Air cylinder apparatus for a pneumatically driven power tool  
An air cylinder apparatus for a pneumatically driven power tool includes a unitary outer cylinder member, which has a bearing plate and a hollow cylindrical wall. A cylindrical chamber is formed...
6044917 Pneumatic tool with side exhaust  
The present invention relates to a pneumatic tool having a housing including a motor housing portion which is pneumatically and securely connected to a handle housing portion. The motor housing...
6033408 Resecting tool for magnetic field environment  
A pneumatic surgical tool for cutting bone during surgical procedures includes a pneumatic motor having a rotary shaft, a resecting tool having a cutting element rotated by the motor, a chuck...
5964302 Filter regulator for a pneumatic tool  
The present invention is to offer a filter/regulator for pneumatic tool, comprising a pipe with two end openings capable of respectively of jointing the air outlet of air compressor and the intake...
5934385 Tapping tool and method for driving or controlling a tapping tool with pressurized fluid  
A threading attachment for internal or external threading includes a spindle head (1) which is intended to be attached to a spindle on a machine tool and also a tap holder (5) with a holder body...
5924498 Pressure converter III  
A pressure amplifier can be mounted above a drill bit at the lower end of a drill pipe for generating an increased fluid pressure in a drilling fluid flow to, for example, obtain an increased...
5913370 Pneumatic or pressurized fluid tool having a control device  
Pneumatic or pressurized fluid tool, such as a screwdriver, having a control device. The control device includes a pivotally mounted trigger which causes rotation of the motor in a first rotational...
5853052 Hydraulic drive for rotation of a rock drill  
The invention provides an In-The-Hole hydraulic drive unit for rotating a rock drill. A hydraulic motor having a fixed rear trailing end and a rotating front drilling end converts hydraulic power...
5782836 Resecting tool for magnetic field environment  
A pneumatic surgical tool for cutting bone during surgical procedures includes a pneumatic motor having a rotary shaft, a resecting tool having a cutting element rotated by the motor, a sleeve to...
5735354 Pulse impact mechanism, in particular for pulse screwing device  
The pulse impact mechanism (12) has a rotation element (13), joined to a driving shaft (14), in which a receiving opening (16) for a core (17) is configured concentrically with the rotation axis...
5704434 Hydraulic torque impulse mechanism  
A hydraulic torque impulse mechanism comprising a rotatively driven drive member (10) which has a concentric fluid chamber (12) as well as radially acting cams (25, 26, 28), an output shaft (16)...
5566770 Gearless angled spindle  
A spindle apparatus operative by a fluid powered reaction turbine-type motor and having a handle portion, a head portion and a device for attaching a desired tool thereto. The handle portion...
5311797 Pressure-operated power wrench  
The power wrench has a substantially T-shaped configuration and comprises a transversely extending housing (10) and a headpiece (11) extending centrally therefrom. The housing (10) comprises a...
5186262 Powered tool apparatus  
An electro-hydraulically operated tool apparatus installs and removes bolts of track shoes for assembling and disassembling endless track assemblies. In the assembly procedure, a wrench of the tool...
5159860 Rotary for a power tong  
A rotary for a power tong which, in one aspect, has a master piston and cylinder which, when actuated, delivers hydraulic fluid to one or more slave hydraulic piston and cylinders which apply one...
5040618 Pneumatic drill  
A pneumatic rock drill which has a pneumatic percussion unit with a piston which slidably engages the cylinder in which it reciprocates. Preferably clearances of less than less than about 0.00125...
4995296 Large tire bolt fixing tool  
A large tire bolt fixing tool used for screwing on or off tire bolts in a large automobile, utilizing the air compressing system of the automobile in operating this tool.
4982801 Flexible coupling for downhole motor  
A flexible coupling for use in a down-hole motor assembly such as a positive displacement moineau motor is presented. The flexible coupling includes two sets of flexible joints. Each joint consists...
4960373 Fluid motor rotor assembly  
A rotor assembly for a vane motor has a cylindrical rotor body having front and rear shafts extending axially from the front and rear rotor faces, respectively. The rotor is rotatably supported in...
Matches 1 - 50 out of 90 1 2 >