Matches 1 - 50 out of 76 1 2 >
Match Document Document Title
7225707 Torque wrench with quick-release gear set  
The torque wrench with quick release gear set is a system having a rotary actuator drive unit, which is attachable to a planetary drive gear set by a quick-release cylindrical adapter and collar so...
7171872 Adjustable mechanical screwdriver  
An adjustable mechanical screwdriver, having a receiving housing, gear housing and a deflection bevel gear. A small structural size is achieved because the driveshaft protrudes with a bearing...
7168340 Ratchet wrench having constant drive  
Ratchet wrenches are provided that allow for drive on both the forward and return strokes of the ratchet handle. A combination ring gear, sun gear and planetary gear system is used in combination...
7140277 Device for quickly releasing socket from extension rod  
An extension rod includes a polygonal recess in a first end thereof and a polygonal connection end on a second end of the rod. An axial recess is defined in the second end of the rod and...
6899653 Fastener with gear assembly  
A fastener with a reduced gear affect. The fastener of the present invention comprises a handle assembly having an end and an opening wherein a shaft assembly is positioned within the opening and...
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...
6786114 Gripwheel driver and method of attachment to obtain unique properties  
A hand operated device and method for assisting a user in driving the device's shaft to impart driving force to a fastener more than conventionally accomplished in a fixed period of time. The...
6681660 Variable speed ratchet wrench and method of use  
A variable speed ratchet wrench comprising a main handle portion with an opening for receiving a planetary gear mechanism, a planetary gear mechanism with a locking device attached to an output...
6578451 Remote bolt installation tool  
Fastener gripping apparatus ( 10 ) can be used in connection with a shaft ( 14 ) having a driver portion ( 80 ) adapted to engage a bolt ( 3 ). The apparatus is used to move the bolt between an...
6295895 Hand tool with supporting arm and retaining mechanism and a method for loosening of attachment means  
The hand tool includes tree main parts, a support arm, a torque application arm and a socket. The socket is intended to grip into the bolt head and mediate a torque from the axle of the hand tool....
6289769 Electromagnetic nutrunner socket collar  
A bolt retaining device for a nutrunner which includes a socket having a longitudinal axis and being sized to fit the bolt, the device having an electromagnet positioned with respect to the socket...
6155139 Pneumatically operable screw driver  
An air motor is provided in a housing and driven by the compression air introduced from an intake port. An anvil, receiving the rotational force of the air motor, has a rear end accommodated in the...
6035746 Gear transmission cartridge  
A cartridge includes two stems rotatably received in a housing and each having a gear extended inward of the housing. A gear transmission device is coupled between the gears of the stems for...
5931062 Efficient mechanical rectifier  
A mechanical rectifier efficiently rectifies or converts alternative clockwise and counterclockwise rotation of a main handle or other active driving element into unidirectional rotation of a main...
5650573 Motor driven screwdriver  
A motor driven screwdriver has a drive train including a driving shaft, a driven shaft, and a planetary transmission arranged between the shafts, a measuring value transducer located in the drive...
5616095 Force multiplier tool  
The force multiplier tool comprises a planocentric hypocycloidal gearing mechanism adapted for hand tool use. Specifically, the tool comprises a ring gear, a first and a second pinion gear disposed...
5540629 Mechanism for conteracting reaction torque in a powered, reversible, hand-held rotary driver  
A reversible hand operated rotary power tool contains an internal mechanism for reducing the reaction torque that would otherwise be exhibited directly upon the housing, and hence imposed upon the...
5406866 Speed-selectable screwdriver  
The drive speed of a drive shaft of a screwdriver is selectable by a user by holding a gear transmission housing. Two sets of pinch rollers are employed to rotate the drive shaft at one speed. When...
5354246 Mechanism in a powered hand-held rotary driver for counteracting reaction torque  
A powered hand-held rotary tool adapted for preventing an externally manifested reaction torque upon the hand of an operator consists of a housing, a rotor adapted to be driven for rotation...
5289743 Two-speed reduction geared screwdriver  
A one-piece handle member provided with a bore and a tubular pinion gear fixed to and projecting from a forward end of the handle coaxially with the bore is rotatably mounted on the rearward...
5284071 Unfolding bolt tightening spanner  
A spanner for tightening or loosening bolts which includes a handle a fixed section and an articulated section which makes it possible to be opened out in inaccessible locations. Two shafts extend...
5269733 Power tool plastic gear train  
A power tool with a two-part housing has a drive motor with a pinion gear on the motor shaft. A plastic cylindrical ring gear is fixed to the motor in coaxial surrounding relationship with the...
5238461 Reactionlless differential rotary driver having optimized output torques  
A differential rotary driver includes a power input shaft, a differential gear mechanism arranged coaxial to the power input shaft and having two output gears with mutually opposite rotations, and...
5176047 Tire dismounting tool for large motor vehicles  
A tire dismounting tool for large motor vehicles has a long cylindrical housing provided with a plurality of main bodies and covers. The interior of the housing is divided into a plurality of...
5149230 Rotating dual attachment receptacle apparatus tool  
A rotating dual attachment receptacle apparatus tool which allows the operator to use more than one tool accessory without the need of frequent changing of the drilling, driving or fastening...
5125297 Wheel nut loosening and tightening hand tool  
A hand tool for use in loosening and tightening the wheel nut comprises a main body, a first cover body, a first shaft bearing, a second cover body, a second shaft bearing, a first drive member, a...
5123309 Integrated spindle actuator assembly for nut-runners  
Disclosed is an integrated spindle actuator assembly for nut-runners wherein the spindle is pneumatically operated to engage and retract from the intended work device including an internal piston...
5123308 Torque multiplying lug nut wrench  
A compact, torque multiplying apparatus for turning nuts of wheel lugs has an orbiting gear arrangement including an epicycling gear element driven within a housing by a socket wrench. In one case,...
5105688 Reversible unidirectional transmission  
A transmission including two input members for independently driving an output member in a single direction. The direction of the output is reversible. One of the inputs may be a handle and another...
5027679 Fastener driver  
A tubular arrangement the front end of which defines a fastener outlet is extendably and contractably mounted to a fastener driver body. A drive bit is mounted within the tubular arrangement. A...
5009132 Torque device  
Device in the nature of a wrench or the like in which reciprocatory rotary motion is converted to continuous rotation in one direction.
4901606 Apparatus for inserting and extracting light bulbs  
The invention relates to a device for positioning or extracting light bulbs from hard-to-reach places. The device has an extendable handle, and support attached to the handle and the main housing...
4885962 Pneumatic torque wrench for valve handwheels  
An air driven torque wrench adaptable to turn spoked handwheels of a wide variety of large valves to effect opening and closing of such. The wrench mechanism includes a head portion, central air...
4878405 Collet lock for power tool  
A battery powered motor driven screwdriver having an arrangement for both locking the tool-holding collet and disengaging it from the drive train. The collet is supported in a bushing having...
4627310 Ratio speed adaptor  
The present invention discloses a speed transformer adaptor comprising an input shaft and an output shaft and a plurality of gear systems coaxially assembled within a casing. The gear systems...
4625774 Conductor unwrapping attachment for motor driven tool  
An attachment for a conductor wrapping tool for providing a reduced rotation speed for driving a conductor unwrapping bit. The attachment includes a housing having an elongated reduced diameter...
4597453 Drive unit with self-aligning gearing system  
A drive unit for a power tool has a motor driven output gear rotatable about an output axis, a rotatable carrier plate, and a plurality of idler gears rotatably mounted on pins affixed to the...
4561331 Wheel rim wrench  
A tool for use in rotating a nut threadedly received on a mediately disposed threaded portion of an elongate connector having a contoured outside end and the tool simultaneously holding the...
4545268 Compact torque converter tool  
A compact torque converter tool having high mechanical advantages comprised of an input bevel gear having an axis colinear with the direction of drive, meshed with a further bevel gear having an...
4507990 Ratchet wrench  
A ratchet wrench having a top housing and a first handle cooperating with the top housing; a bottom housing with a cooperating second handle; a ratchet drum disposed within the top housing and the...
4485698 Torque delivering tool with torque reaction support  
A pneumatic power tool for tightening screw joints comprises a primary motor 11 for the high speed running down sequence and a secondary motor 12 for the high torque final tightening sequence. The...
4462282 Power tool with torque reaction bar  
The improved power tool includes a housing having a motor located in the housing and a rotatable tool drive shaft projecting from the housing. A torque reaction bar is attached to the housing and...
4366871 Motor-driven screwdriver  
A screwdriver comprises a planetary gear carrier rotatably carrying a plurality of circumferentially displaced planet gears meshing with a pinion driven by the motor of the screwdriver and with...
4366731 Socket wrench  
There is provided a novel drive unit for a socket-type wrench which leads to increased speed of turning of the sockets. The unit comprises a casing; a first ratchet mechanism in said casing; a...
4357844 Unidirectional drive hand operated wrench  
A hand operated wrench in which the driver head is rotated in the same direction regardless of the direction of movement of the wrench handle. In a first embodiment, the wrench includes nested...
4296654 Adjustable angled socket wrench extension  
A jointed drive unit is provided having a power output shaft used for driving a socket or the like, and an input shaft which transmits power to the output shaft through a gearbox permitting any...
4279314 Ratchet wrench attachment  
A releasable energy storing attachment to be used in conjunction with a ratchet wrench which is to operate a nut of a conventional nut and bolt assembly. The stored energy is to effect either...
4274310 Torque multiplication device  
Discloses a torque multiplication device for use in tightening or loosening a nut, lug, bolt head and the like, employing a planetary transmission of sun, planet and orbit gear means which...
4155278 Swivel head reaction bar nut runner  
The invention relates to a pneumatically powered nut runner having an axial swivel interposed the housings of the air motor and gear reducer which permits radial repositioning of the gear reducer...
RE29993 Gear wrench  
A force multiplication wrench is provided in the form of a casing having a longitudinal input shaft at one end and a longitudinal output shaft at the other end. A transmission, such as a planetary...
Matches 1 - 50 out of 76 1 2 >