Bizarre Patents
A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7363825 | Non-contact position sensor housing using existing torque sensor probe A sensors casing supports torque sensors and the position sensors and segment magneto-sensitive elements to detect the relative rotation between an input shaft and an output shaft and the angular position of the shaftsin a steering column housing. The sensor casing ... | 04/29/2008 |
| 7334647 | Rotary tool An overload clutch assembly for a power tool having two torque settings through which rotary drive is transmitted to a spindle. The overload clutch assembly is capable of being between switched between the two torque settings by at least one actuator. The clutch ass... | 02/26/2008 |
| 7328752 | Power tools An electrically powered hand tool is disclosed. The tool includes a motor, a power source, a work element and a controller. Various alternative features, embodiments and operative configurations are disclosed. The electrically powered hand tool may be a drill/driver... | 02/12/2008 |
| 7311027 | Electric screwdriver An electric screwdriver capable of reducing the reactive force produced on the occasion of a screw tightening work, etc. The electric screwdriver is designed to transmit the rotational driving force of a first motor to the bit through a bit holder, and it includes a... | 12/25/2007 |
| 7275450 | Tightening torque measuring unit and torque indicating tightening device A tightening torque measuring unit (4) has an inner shaft (31) connectable to a first output shaft (12) of a tightening device main body (1) and an outer shaft (32) connectable to a second output shaft (13) of the body. The ... | 10/02/2007 |
| 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 as to provide quick interchangeability of gear sets without the use ... | 06/05/2007 |
| 7210541 | Transducerized rotary tool Disclosed herein is a variable speed tool useful for use with securing or removing industrial fasteners. The tool also includes a means to torque the fastener to a certain precise torque. The tool can be used with an associated controller that provides control comma... | 05/01/2007 |
| 7185562 | Disposable battery powered screw driver, locking mechanism, and accessories In accordance with one embodiment of the present invention, a driver may include an electric motor coupled to a bit interface. The bit interface may include a generally cylindrical body having first and second hollow portions. The first hollow portion may be on one ... | 03/06/2007 |
| 7165663 | Power screwdriver with low-noise torque clutch A power screwdriver (1) with a rotationally driven, axially displaceable mounted tool spindle (2) with a low-noise torque clutch (3) which comprises a ratchet-spring biased ratchet coupling (6) driven by a driven ratchet part (12) ... | 01/23/2007 |
| 7100482 | Electrically powered hand-held screw driver An electrically powered, hand-held screw driver (2) has a housing (4), a depth stop (6) arranged on this housing (4), a drive motor (20), an axially displaceable tool spindle (8) operatively coupled with a tool holder (11... | 09/05/2006 |
| 7090030 | Tranducerized torque wrench Disclosed herein is a variable speed tool useful for use with securing or removing industrial fasteners. The tool also includes a means to torque the fastener to a certain precise torque. The tool can be used with an associated controller that provides control comma... | 08/15/2006 |
| 7088066 | Automatic output power limiting electrical device An eletrical device derives power from an incoming power source to produce output plower to drive the device. The device includes circuitry that determines at lehst one characteristic of the incoming power source, and adjusts the output power used to drive the devic... | 08/08/2006 |
| 7082866 | Ratcheting torque-angle wrench and method A torque-angle wrench has a torque preset alert circuit which provides a first signal when a predetermined torque level is reached, an angle sensing circuitry providing a second signal corresponding to angular rotation, output circuitry responsive to the second sign... | 08/01/2006 |
| 7021180 | Torque sensing tool A torque applying tool such as a nutrunner or torque wrench incorporates torque sensors responsive to strain in a shaft mounting an output square drive head the strain being measured as it exists immediately adjacent the drive head. The shaft is a hollow quill shaft... | 04/04/2006 |
| 7011000 | Bolt or nut tightening device having reaction force receiving member A bolt or nut tightening device comprising a tightening socket (4) and a reaction force receiving member (5), the tightening socket (4) being rotatingly drivable upon a speed reduction by a motor (2) and a reduction mechanism (3) w... | 03/14/2006 |
| 6954682 | Method and apparatus for tightening bolts According to a bolt tightening method and a bolt tightening apparatus of the invention, a bolt is tightened by using a bolt tightening device, in which torque gradients expressed in terms of the ratio of a tightening torque exerted on the bolt to its turning angle a... | 10/11/2005 |
| 6871153 | Dynamic calibration qualifier This dynamic calibration qualifier relates to a tool monitor and assembly qualifier that verifies that the correct number of fasteners have been properly installed into an assembly. The device monitors an analog signature created by the tool and has the ability to d... | 03/22/2005 |
| 6840138 | Device for screwing on caps The device for screwing on a cap comprises a gripping head fixed to a rotary spindle, and a drive shaft connected to a drive member carried by a frame, the rotary spindle and the drive shaft are connected to each other on the same axis by a resilient coupling member... | 01/11/2005 |
| 6836614 | Electrical power tool having a motor control circuit for providing control over the torque output of the power tool A power tool such as an electric drill typically contains a gear train that couples the output spindle of the motor to the tool bit-receiving chuck. The control circuit for the power tool is operable in a ratcheting or pulse mode that causes the output spindle to ro... | 12/28/2004 |
| 6523442 | Torque tool assembly A torque tool assembly having an elongated unitary, cylindrical main housing and including a drive motor subassembly and a gear train subassembly coaxially supported and operatively connected in the cylindrical housing and held in operative engagement by ... | 02/25/2003 |
| 6390205 | Power tool system with programmable control unit A power tool system comprises a portable power tool (10), an operation control device (11) including an integrated memory (16) for storing power tool operation data, and an auxiliary memory module (18) normally containing the same power tool operation dat... | 05/21/2002 |
| 6247387 | Fastening apparatus A fastening apparatus 10 for tightening a threaded fastener 14 into a component, the apparatus comprising a drive mechanism 12 for rotating the threaded fastener and a detector for detecting a transitional tightening stage when tightening the threaded fas... | 06/19/2001 |
| 6164165 | Tube spinner A tube spinner for assembling vehicle tie rod assemblies is disclosed. The tube spinner includes a support structure for supporting a tapped tube, a rotating device for rotating the tube within the support structure into threaded engagement with one or mo... | 12/26/2000 |
| 6109149 | Screw setting tool A screw setting tool including a housing (1), a tool spindle (8) located in the housing (1) and axially displaceable relative thereto, a bit stop (2) provided in the housing (1) for limiting an axial displacement of the tool spindle (8) in a direction opp... | 08/29/2000 |
| 6105475 | Tightening device A device for tightening a plurality of threaded members at the same time with proper torque without necessitating a cumbersome procedure of rotating the members one by one through a specified small angle at a time and without unequivalent tightening of th... | 08/22/2000 |
| 6053080 | Device for tightening bolt and/or nut A device for tightening a bolt or a nut has a tightening socket which is releasable from biting engagement with the bolt or nut by disengaging a clutch in a rotation transmission system after completion of tightening, and which is made readily removable f... | 04/25/2000 |
| 5953965 | Device for tightening bolt and nut A device for tightening a bolt and a nut including a housing having a planetary gear reduction mechanism accommodated therein, a rotational drive source attached to the housing for inputting power to the reduction mechanism, an inner socket coupled to one... | 09/21/1999 |
| 5881613 | Screwdriver having disengaging mechanism A screwdriver of the present invention is designed for use with power tools. The screwdriver provides an automatic disengagement mechanism to prevent excess penetration of the screw into a work surface. The screwdriver has a housing enclosing the motor an... | 03/16/1999 |
| 5816121 | Cordless fastening tool A speed-increasing mechanism and a clutch mechanism are provided between a speed-reduction gear train and planetary gear trains, to realize a small-torque and high-speed rotation during a light load condition and a large-torque and low-speed rotation duri... | 10/06/1998 |
| 5754019 | Method and circuit arrangement for operating an electric motor The invention relates to a method for operating an electric motor in an electrical hand-held tool, such as an electric screwdriver, battery-powered drill or the like, the electric motor being operated during the operating phase (17) at a first rotation sp... | 05/19/1998 |
| 5672922 | Commutator motor In a non-commutating-pole commutator motor, in particular as the drive of a power hand tool, a device for reversing the direction of rotation includes a switch (8) for reversing the direction of current in the rotor winding, and a brush apparatus (4) moun... | 09/30/1997 |
| 5637968 | Power tool with automatic downshift feature A method and apparatus for correcting torque overshoot in power tools wherein torque per angle rate is sensed on each rundown and the speed of the tool is automatically adjusted to maintain torque accuracy on higher torque rate joints while maintaining sp... | 06/10/1997 |
| 5490439 | Nut tightening device A device comprises a housing having a planetary gear reduction mechanism accommodated therein and a handle projecting therefrom, an electric motor or like rotation source attached to the housing for inputting power to the reduction mechanism, an outer soc... | 02/13/1996 |
| 5457866 | Bolt-tightening method using an impact wrench The present invention provides an impact wrench and a bolt-tightening method such that a spring force is applied, through the circumference of a spindle coupled with the output shaft of an electric motor, in the forward direction to a hammer which is capa... | 10/17/1995 |
| 5404775 | Right angle fastening device A nut runner for applying torque to a workpiece such as nut, bolt or the like positioned at a right-angle to the fastening device. The nut runner includes a motor, a speed reduction gear assembly, a right-angle bevel gear system, a planetary gear system, ... | 04/11/1995 |
| 5361852 | Screwing apparatus A screwing apparatus includes a motor for rotating a bit for rotating a screw, a torque detecting device for detecting torque of the bit, and a control device. The control device increases magnitude of fastening torque by applying slight vibration to a to... | 11/08/1994 |
| 5353882 | Screwing apparatus A screwing apparatus includes a multi-phase motor and a control device. The motor rotates a bit, installed on the motor, for rotating a screw. The control device controls a rotational speed of the motor by calculating a rotational speed of the bit based o... | 10/11/1994 |
| 5203242 | Power tool for two-step tightening of screw joints A power tool for two-step tightening of screw joints by a first high speed step for tightening the screw joint to a predetermined torque snug level (T1) and a second low speed step for tightening the screw joint to a desired final torque level ... | 04/20/1993 |
| 5195406 | Power wrench A power wrench with torque control means, comprising a spring biassed torque limiting mechanism, wherein mark means indicating the actual length of the biassing spring (22) are visible from outside the tool housing (10) through one or more apertures (30, ... | 03/23/1993 |
| 5172774 | Axially compact torque transducer A high sensitivity torque transducer capable of installation between the motor and the output reduction gear train in the housing of a rotating machine, which has a limited axial space therefor, has a disk shaped first member fixed to a fixed portion of t... | 12/22/1992 |
