Matches 1 - 50 out of 253 1 2 3 4 5 6 >


Match Document Document Title
8122789 Device for tightening of a gland nut  
A device (1) for the adjustment of a gland nut (2), provided with a plurality of gripping means (8) through which said gland nut (2) can be caused to rotate, comprising an engaging member (3) and...
8117947 Power ratchet assembly  
A power ratchet assembly has a handle, a power shaft, a sleeve, a crankshaft, multiple planet gears, multiple pins, two support bearings and a ratchet head device. The crankshaft has an outer...
8096211 Digital power torque wrench of indirect transmission  
The present invention relates to a digital power torque wrench of indirect transmission, which is composed of an eccentric driving module, a sensing module, a ratchet module and a control module....
8051746 Ratchet wrench with collar-actuated reversing mechanism  
A ratchet wrench has a handle and a ratchet housing that both extend along a first axis. A drive body is connected for rotation relative to the ratchet housing about a second axis, perpendicular to...
8024996 Power wrench  
The invention relates to a hydraulic power wrench comprising a ratchet lever (16) driven by a hydraulic cylinder. According to the invention, said power wrench is provided with a friction brake...
7926389 Hydraulic torque wrench with central strain decoupled global hose connect swivel  
Centrally mounted in a strain decoupling fashion on a hydraulic torque wrench is a hose connect swivel. A base ring of the swivel features a first fluid transmitting joint that is fluid...
7793568 Ratchet mechanism  
A ratchet wrench assembly having a spring assembly positioned in the ratchet head. The ratchet wrench has a handle portion, a head portion with a yoke having yoke teeth, a ratchet mechanism drive...
7765895 Fluid-operated torque wrench for and method of tightening or loosening fasteners  
A fluid-operated torque wrench for tightening or loosening a fastener has a housing having two housing portions including a cylinder portion and a driving portion, cylinder-piston means arranged in...
7735398 Rechargeable motor-driven ratchet wrench having power-off protection  
A rechargeable motor-driven ratchet wrench having power-off protection of the present invention includes a motor, a rechargeable battery and a power-off protection device. When the loaded current...
7497147 Torque tool for tightening or loosening connections, and method of tightening or loosening the same  
A torque tool for tightening or loosening connections has a driving element engageable with a turnable part of the connection for turning the turnable part of the connection for tightening or...
7475609 Power ratchet wrench  
The power ratchet wrench has a body, a planet gear device and a mounting bracket. The body has an outer thread and an annular flange. The planet gear device is connected to the body and has three...
7454997 Axial pawl ratchet mechanism  
An axial pawl ratcheting mechanism is provided that may be used for a wrench and comprises a first disc including axial gear teeth on a first side providing for ratcheting in a first direction. A...
7451672 Link attachment to torque wrench  
A link attachment to a torque wrench providing coaxial action in the reaction turning forces in opposite directions at equal torque, the link attachment has a housing, a ratchet mechanism including...
7413025 Torque tool  
A torque tool comprises a torque converter, a power tool for actuating the converter and an attachment adapter, interposed between the torque converter and the power tool, for coaxially and firmly...
7392726 Ratchet wrench and method of assembling the same  
In a ratchet wrench, a frictional force generation mechanism including a first guide bush and a disc spring is attached to a shank with a locking pin to form a shank assembly. Spring force of the...
7306050 Toothed ring connecting structure of a power tool  
A toothed ring connecting structure of a power tool, including: a main body having a first opening and a second opening; a motor accommodated in the main body and having an output shaft extending...
7261018 Power tool  
A power tool has a housing having a drive portion for turning a fastener to tighten or loosen the fastener, the drive portion having two opposite sides spaced from one another in one direction and...
7171873 Tensionless power ratchet wrench assembly  
A power ratchet wrench assembly having a tensionless head wherein operation of the ratchet mechanism does not require a tensioning means for applying a frictional force against the ratchet...
7168341 Torque wrench  
A torque wrench for applying torque to a component (21) is described. The torque wrench has an engaging member (18) for engaging the component (21) to be rotated about an axis (22) and a ratchet...
7146880 Torque wrench system  
An improved hydraulic wrench including a one-piece housing in which one end of the housing forms internally a cylinder for hydraulically reciprocating power and the second end of the housing...
7137318 Ratchet-based, torqued-enhanced fastener tool  
A ratchet-based, torque-enhanced fastener tool for tightening and loosening nuts, bolts, lug nuts and other fasteners includes a main housing and a handle attached to the main housing. A trigger is...
7121167 Flat head reversible power ratchets  
A flat headed, reversible power ratchet of relatively small size which uses integral bosses and apertures in its housing to locate and control the movement of its yoke and driving gears on bosses...
7117764 Screwed device tightening/untightening tool  
A tool for tightening and untightening screwed devices, such as bolts for fixing engines (10) to struts (12) on aircraft, comprises a hydraulic wrench (20), a hydraulic pump (22), preferably...
7086311 Pneumatic ratchet wrench  
A pneumatic ratchet wrench has a body, an air input valve, a switch, a propeller, an eccentric spindle, a lever, a sleeve, a nut and a head. The body has a cavity, a front end and a rear end. The...
7082858 Hydraulic torque wrench system  
A hydraulic torque wrench having a separate ratchet unit and hydraulic cylinder drive unit connectable by an overlapping cylindrical connection at selected angles of rotation providing clearance in...
7080578 Hand tool with impact drive and speed reducing mechanism  
A power driven tool useful for tightening and loosening a mechanical fastener includes an impact mechanism. Preferably, the tool is pneumatic and includes a ratchet head and an impact device for...
7069819 Air motor socket wrench with quick socket release and muffler  
An air motor socket wrench has an air motor secured to a housing of a socket drive assembly having a socket drive member provided with a socket lock ball movable between a socket lock position and...
7062992 Constant rotation rotary torque multiplier  
A wrench with torque augmenting means consisting of an output socket wrench which utilizes a ratchet arrangement and which includes an input cog that is adapted to receive an external drive tool....
7062993 Torque wrench  
A torque wrench includes a housing having a first opening disposed opposite a second opening. The torque wrench also includes a ratchet wheel disposed in the housing and forming a shaft connecting...
7021179 Pressure-operated power screwdriver having a measuring section  
The power screwdriver comprises a functional part (11) with a housing (14) through which a shaft (17) passes. The shaft (17) is provided with a toothing (18), into which a ratchet lever of the...
6997083 Motorized conduit linking device and method  
A motorized device for linking sections of threaded conduit such as electrical conduit, and a method of linking such conduit are described. In one form, the device is formed as a motorized tool,...
6993997 Ratchet wrench  
A ratchet wrench including a housing with a handle extending therefrom. A rotor is positioned within an opening in the housing. The rotor includes a crosspiece having a polygonal cross-section and...
6966239 Driving shaft for a ratchet spanner  
A driving shaft for a ratchet spanner includes a shaft body and a sleeve-retaining member. The shaft body includes a polygonal driving end that is adapted to be received fittingly within a wrench...
6931965 Portable pipe tong and method of use  
A relatively compact portable tong assembly utilizing adaptable jaws for gripping the threaded box and pin ends of adjacent pipe joints without the use of an external support and thus applying...
6925911 Fluid-operated power tool  
A fluid-operated power tool has a drive including a fluid-operator cylinder-piston unit, a first housing accommodating the drive, a lever-drive mechanism connected with the drive and powered by the...
6883401 Power tool for fastening objects  
A power tool for fastening objects has a housing with a non-rotatable element, a power drive in the housing and provided with a rotatable driving element, and a fastener part including a bolt...
6871569 Tool having rotatable driving head  
A tool includes a handle having a cavity to slidably receive a latch, and a driving head having a shank rotatably secured to the handle with a shaft. The shank includes a number of depressions...
6860174 Hand-held power tool  
A hand-held power tool for inhibiting uncalled-for rotation of the output shaft and for self-compensating for wear. The tool comprises a housing, a braking member fixedly mounted in the housing and...
6851335 Tong with composite belt and methods for making and using same  
A manual tong is disclosed which includes a composite belt, a handle assembly, and a jaw assembly, where the composite belt is designed to take the place of the conventional linked chains used...
6810773 Open end ratchet wrench  
An open-end ratchet wrench includes a housing defining a handle and a head with an open mouth for receiving first and second elements of a work piece therein. A fixed jaw member on the wrench...
6802235 Fluid-operated torque wrench  
A fluid operated torque wrench has a housing having a cylinder portion with a cylinder having an axis and a driving portion; two pistons movable in the cylinder along the axis independently from...
6752045 Adjustable wrench  
A squeeze type, rotating wrench has a toothed drive gear for receiving selected tool elements. The drive gear is driven in a selected direction by a push arm and reversible pawl upon squeezing of a...
6742418 Torque wrench  
A torque wrench is formed by a hollow handle, a sheath tube, a head, a slider, a torque transmitting mechanism, a torque adjusting mechanism, etc. The sheath tube covers the front half of the...
6722232 Manually-powered drive device and assembly  
A manually-powered drive device includes a drive train substantially disposed in a hollow housing. A laterally sliding transmission shaft extending laterally in an intermediate frame portion of the...
6715381 Adjustable reaction arm for torque power tool, and torque power tool provided therewith  
A reaction arm is connectable to a torque power tool and has a distal portion adapted to abut against an outside object and a proximal portion connectable with a tool housing and provided with a...
6598502 Multi-swivel connector for a fluid operated tool  
The present invention relates to a multi-swivel connector for a fluid operated power tool. The connector has a post with an axis, a swivel member having an axis perpendicular to the axis of the...
6553873 Hydraulic wrench control valve systems  
A wrench assembly including a drive head and an attached socket for engaging a bolt or nut. When the drive head turns, the socket and any engaged threaded member will also rotate. A hydraulic motor...
6532845 Method of and an apparatus for tightening threaded connectors  
For tightening threaded connectors, a plurality of fluid-operated torque tools are used, each engaging with a respective of one threaded connector. It is sensed when at least one of the...
6490953 Externally captured ratchet head and housing assembly  
The present invention provides novel ratchet head configurations for externally capturing a ratchet mechanism within the head of a powered ratchet wrench, such as a pneumatic ratchet wrench for...
6490952 Fastening device  
A fastening system includes a bolt member, a nut to be turned, and a torque power tool operative for applying a torque to the bolt member and a torque to the nut to be turned simultaneously, so...
Matches 1 - 50 out of 253 1 2 3 4 5 6 >