Automatic Control Of Power Operated Means Patents (Class 173/2)
  • Patent number: 10309166
    Abstract: A system includes an accessory tool selected from a group consisting of a casing unit, a cementing unit, and a drilling unit; and a genset mounted to the accessory tool and comprising: a fluid driven motor having an inlet and an outlet for connection to a control swivel of the system; an electric generator connected to the fluid driven motor; a manifold having an inlet for connection to the control swivel and an outlet connected an accessory tool actuator; and a control unit in communication with the electric generator and the manifold and comprising a wireless data link.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: June 4, 2019
    Assignee: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
    Inventors: Bjoern Thiemann, Frank Wern, John Fielding Ownby, Aicam Zouhair, Martin Liess, Christina Karin Hebebrand
  • Patent number: 10095212
    Abstract: A motor control apparatus controlling a motor driving a machine tool includes, an abnormal load detecting unit that detects an abnormal load by monitoring a load of the motor, a retract amount storing unit that stores a plurality of retract amounts used when the machine tool performs a retract operation in response to detection of an abnormal load by the abnormal load detecting unit, a retract amount switching unit that switches a retract amount selected from the plurality of retract amounts in accordance with a result of determination of whether the machine tool is processing or not, and a retract amount adding unit that adds a retract amount selected by switching of the retract amount switching unit to an instruction value indicative of a movement amount of the machine tool.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: October 9, 2018
    Assignee: FANUC CORPORATION
    Inventors: Kenichi Takayama, Zhiwei Tang
  • Patent number: 10022832
    Abstract: A system, method and computer-readable medium for fine-tuning speed selection for reducing machine chatter. The system includes circuitry configured to determine a predetermined speed of the machine. The circuitry identifies a stability lobe based on the predetermined speed of the machine and selects a first set of fine-tuning speeds from a range of machine speeds corresponding to the determined stability lobe. Further, the circuitry causes the machine to operate at one or more of the first set of fine-tuning speeds.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: July 17, 2018
    Assignee: DMG Mori Seiki Co., Ltd.
    Inventors: Zachary Piner, Ke Ding, Mehdi Namazi, Kyle Konishi
  • Patent number: 9595701
    Abstract: A handheld tool having a battery interface is described, in which a provision is made for the handheld tool to have at least one measuring device interface, which is provided to receive at least data containing measuring information of a handheld tool add-on measuring device.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: March 14, 2017
    Assignee: ROBERT BOSCH GMBH
    Inventors: Wolf Matthias, Gunter Flinspach, Alexander Osswald, Rainer Glauning
  • Patent number: 9457459
    Abstract: A power tool includes a motor, an impact mechanism, an output unit, a circuit board, a housing, and a power cord. The circuit board includes a power-source circuit board configured to convert alternate current into direct current and a control circuit board. The housing includes a body section, a board accommodating section, and a handle section. The board accommodating section accommodates the circuit board. The handle section has one end portion connected to the body section and another end portion connected to the board accommodating section. The power cord extends from the board accommodating section. The power cord is positioned opposed to the handle section with respect to the board accommodating section. The control circuit board is located at a position close to the handle section in the board accommodating section. The power-source circuit board is located between the control circuit board and the power cord.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: October 4, 2016
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Naoki Tadokoro, Ken Miyazawa, Hajime Kikuchi, Toshiaki Koizumi
  • Patent number: 9440339
    Abstract: An electric screwdriver includes a motor having a motor shaft, a handle housing for accommodating the motor, an output shaft at least partly protruding from the handle housing, a transmission device for enabling the motor shaft to drive the output shaft to rotate around a first axis, an exploring antenna for detecting whether an object is charged, and an operating switch coupled to the handle housing for controlling the motor. The exploring antenna has a front end portion extending beyond the handle housing. The output shaft has an inserting groove, and a ratio of the maximum size of the handle housing to the maximum size of the inserting groove in a radial direction of the output shaft is greater than or equal to 3.9 and less than or equal to 8.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: September 13, 2016
    Assignee: Chervon (HK) Limited
    Inventors: Gan Wei, Wu Chen, Shichun Tao
  • Patent number: 9314908
    Abstract: According to an aspect of the present invention, there is provided an impact tool including: a motor drivable in an intermittent driving mode; a hammer connected to the motor; an anvil to be struck by the hammer to thereby rotate/strike a tip tool; and a control unit that controls a rotation of the motor by switching a driving pulse supplied to the motor in accordance with a load applied onto the tip tool.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: April 19, 2016
    Assignee: HITACHI KOKI CO., LTD.
    Inventors: Hideyuki Tanimoto, Nobuhiro Takano, Tomomasa Nishikawa, Kazutaka Iwata, Hironori Mashiko, Hayato Yamaguchi, Atsushi Nakagawa, Katsuhiro Oomori, Mizuho Nakamura, Hiroki Uchida, Saroma Nakano, Yutaka Ito
  • Patent number: 9266178
    Abstract: A power tool includes a housing, a motor, an output member driven by the motor, and a reaming attachment coupled to the output member. The reaming attachment has a front end portion selectively driven in rotation by the output member to drive a fastener into a workpiece, and a reaming portion selectively driven in rotation by the output member to remove material from an end surface of a conduit. A rotational motion sensor in the housing is operable to detect rotational motion of the housing about an axis. A controller receives a signal indicative of rotational motion from the sensor, determines a direction of the rotational motion of the housing, and drives the motor in a direction corresponding to the direction of rotational motion of the housing.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: February 23, 2016
    Assignee: BLACK & DECKER INC.
    Inventors: Scott J. Eshleman, Craig A. Schell, Andrew E. Seman, Jr., Daniel Puzio, Daniele C. Brotto, Joseph P. Kelleher, James B. Watson, James R. Parks, Clark A. Bixler
  • Patent number: 9196881
    Abstract: A system includes a power tool having a motor, a drive mechanism mechanically coupled to the motor, and an output element mechanically coupled to the drive mechanism. The motor is operable to drive the drive mechanism and the output element. The system also includes a non-motorized sensing tool having a printed circuit board and a sensing element electrically coupled to the printed circuit board. The sensing element is operable to detect an external characteristic and output a signal to the circuit board. The circuit board is operable to condition the signal into a human-comprehensible form. The system further includes a rechargeable battery pack removably and independently coupled to the power tool and the non-motorized sensing tool to power the motor to drive the drive mechanism and the output element when connected to the power tool and the circuit board and the sensing element when connected to the non-motorized sensing tool.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: November 24, 2015
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Rick Gray, Paul Fry, Mike N. Jones, Scott Schneider, Hughes Marie R.F. Sanoner
  • Patent number: 9126321
    Abstract: A machine tool has a tool retainer for retaining a tool, a motor and a drivetrain which couples the motor with the tool retainer for transmitting a torque. A system pushbutton is coupled with a motor control. When the system pushbutton is activated by a user, the motor control controls the motor in such a way that the motor turns in a first sense of rotation for a duration and then in a sense of rotation opposed to the first sense of rotation. The duration is shorter than 100 ms.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: September 8, 2015
    Assignee: HILTI AKTIENGESELLSCHAFT
    Inventors: Thomas Muller, Germar Meiendres
  • Publication number: 20150144365
    Abstract: A rotary impact tool according to one aspect of the present invention includes a motor, an impact mechanism, a drive unit, an impact detection unit, and a control unit. The control unit reduces a driving force for the motor caused by the drive unit when a count of impacts detected by the impact detection unit has reached a determination count set in advance, which is a value greater than one.
    Type: Application
    Filed: June 4, 2013
    Publication date: May 28, 2015
    Inventors: Tokuo Hirabayashi, Ryunosuke Kumagai, Takeshi Nishimiya, Goshi Ishikawa, Takuya Kusakawa
  • Publication number: 20150136433
    Abstract: Percussion unit, especially for a rotary hammer and/or percussion hammer, comprising a control unit which is designed for open-loop and/or closed loop control of a pneumatic percussion mechanism, and at least one operating condition sensor unit. According to the disclosure, the control unit is designed to detect at least one percussion mechanism parameter depending on measurement values of the operating condition sensor unit.
    Type: Application
    Filed: April 24, 2013
    Publication date: May 21, 2015
    Inventors: Rainer Nitsche, Matthias Tauber, Gerd Schlesak, Antoine Vandamme, Thomas Winkler, Christian Bertsch, Achim Duesselberg, Ulli Hoffmann, Thilo Henke, Juergen Lennartz, Helge Sprenger
  • Publication number: 20150129267
    Abstract: The present invention relates to a restart protection device and a method thereof, wherein the restart protection device is installed in an electric device, and comprises a switch module and a restart protecting module. The restart protecting module is connected between the switch module and a motor of the electric device, used for preventing the current outputted by an external electrical power from directly flowing into the motor when the electric device is restarted. To start the electric device, the user must follow the steps of the restart protection method, such that the unexpected accidents resulted from the sudden restart of the electric device can be effectively prevented.
    Type: Application
    Filed: November 8, 2013
    Publication date: May 14, 2015
    Inventors: Chao-Yi Lee, Chang-Nan Chen, Chen-Hong Huang, Ying-Sung Ho
  • Publication number: 20150129248
    Abstract: A percussion unit for a rotary hammer and/or percussion hammer includes a control unit that is configured for open-loop and/or closed loop control of a pneumatic percussion mechanism. In at least one operating state in which the control unit changes from an idle mode to a percussion mode, the control unit is configured to adjust at least one operating parameter temporarily to a starting value.
    Type: Application
    Filed: April 24, 2013
    Publication date: May 14, 2015
    Inventors: Rainer Nitsche, Matthias Tauber, Antoine Vandamme, Gerd Schlesak, Helge Sprenger, Carsten Diem, Wolfgang Fischer, Haris Hamedovic, Juergen Lennartz, Christian Bertsch, Mario Eduardo Vega Zavala, Achim Duesselberg
  • Patent number: 9030145
    Abstract: A device for regulating an increase in the output torque over time of an electric drive motor, including a monitoring unit for monitoring an operating variable of the electric drive motor, a regulating unit for regulating the operating variable for regulating the increase in output torque over time, a control unit for activating the regulating unit as a function of a time derivation of the monitored operating variable, the regulating unit being designed to be deactivated after a predetermined period of time. A method for regulating an increase in the output torque over time of an electric drive motor is also described. A corresponding tool and a computer program having program code for carrying out the method are also described.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: May 12, 2015
    Assignee: Robert Bosch GmbH
    Inventors: Jens Brennenstuhl, Heiko Roehm, Dietmar Saur, Tobias Herr, Ralf Windsheimer, Stefan Mock
  • Publication number: 20150122521
    Abstract: A multi-purpose electric tool has a motor, an impact block, a detection assembly configured to detect the position and the movement state of the impact block, and a main control circuit board configured to control whether the motor is powered off upon reaching a preset state according to the detected information of the detection assembly. In the control method, the detection assembly feeds back the detected information to the main control circuit board, if the impact block is not impacting reciprocatingly, the main control circuit board performs torque control according to whether the preset state is reached; and if the impact block is impacting reciprocatingly, the main control circuit board enables the motor to output in a normal mode which does not limiting the current.
    Type: Application
    Filed: September 19, 2014
    Publication date: May 7, 2015
    Inventors: Liang Chen, Wu Chen
  • Publication number: 20150122520
    Abstract: A tooling system that includes a drive unit configured to provide rotational force to a tool member. The tool member is attached at a mount on the drive unit. A camera associated with the drive unit is aligned to capture a target on the tool member. The data is sent to a controller that identifies the tool member based on the target. The controller determines whether the tool member is correct for performing an operation on a work piece. If the tool member is correct, the controller may set one or more operating parameters on the drive unit. If the controller determines that the tool member is not correct, the drive unit is disabled. Further, a signal may be sent to inform an operator of the issue.
    Type: Application
    Filed: November 7, 2013
    Publication date: May 7, 2015
    Applicant: Apex Brands, Inc.
    Inventors: Martin Douglas Rola, Adrian Hilary Hetzel
  • Publication number: 20150122523
    Abstract: It is an object of the invention to provide a technique for enhancing the operability of a power tool. A representative screwdriver 100 is provided which has a motor 110 and a driving mechanism 120. The driving mechanism 120 has a rotation transmitting mechanism including a driving cam 137 and a driven cam 157, and a cam engagement state is switched by movement of the spindle 150 in a longitudinal direction of the spindle. The position of the spindle 150 in the longitudinal direction is detected by a detecting mechanism 162 that is disposed on the opposite side of the rotation transmitting mechanism from a front end region in the longitudinal direction of the spindle 150. A controller 180 controls the rotation speed of the motor 110 based on the detection result of the detecting mechanism 162 and drives the motor 110.
    Type: Application
    Filed: November 6, 2014
    Publication date: May 7, 2015
    Inventors: Hirokatsu YAMAMOTO, Takaaki OSADA, Manabu SUGIMOTO
  • Patent number: 9022135
    Abstract: A torque applying system includes a torque applying tool having a motor and rotating output spindle, a torque sensor that measures an instantaneous torque exerted by the output spindle during a fastening cycle, and a controller operatively connected to the tool to control the tool's rotational speed during the fastening cycle. The controller is programmed to control the tool's rotational speed to be [(?F??C)/t]/r, wherein t is a time constant of speed control, ?F is a target final torque for the fastening cycle, and r is a torque rate.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: May 5, 2015
    Assignee: Stanley Black & Decker, Inc.
    Inventors: Zuher Naim Khalaf, William Lloyd Naumann
  • Patent number: 9010454
    Abstract: The invention relates to a portable, handheld work apparatus such as a trimmer, a cut-off machine, a chain saw or the like, having a motor (5, 33) to drive a rotating, exchangeable work tool (13). A control unit (15) serves to control the operation of the motor (5, 33). The control unit (15) determines the rotational speed (n) and/or the power (P) of the motor (5, 33). According to the invention, the motor (5, 33) can be operated in a first operating mode (I) with reduced rotational speed (n0) and/or power (P0) and in at least a second operating mode (II) with an increased rotational speed (n1) and/or power (P1). In dependence on a release signal, the control uses exclusively the first operating mode (I) for a limited operation and the second operating mode (II) for an expanded operation.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: April 21, 2015
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Andreas Neubauer, Tim Gegg
  • Patent number: 9004114
    Abstract: A reinforcing bar binding machine is provided with a device for detecting a power supply voltage during a binding wire twisting step subjected to the heaviest load and comparing the power supply voltage with a predetermined CPU operation voltage, and a control device for driving a motor in a reverse direction when the voltage has dropped below the predetermined CPU operation voltage. The power supply voltage during operation is monitored, and twisting operation is suspended before the voltage drops below the CPU operation voltage, whereby the binding wire twisting mechanism is returned to the initial position. Therefore, it is possible to prevent the binding wire twisting mechanism from being stopped while grasping the binding wire, when the CPU stops.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: April 14, 2015
    Assignee: Max Co., Ltd.
    Inventors: Akira Kasahara, Atsushi Matsuoka
  • Publication number: 20150096775
    Abstract: A hydraulic pulse tool includes a power supply unit, a drive unit electrically connected to the power supply unit, a hydraulic pulse torque generating unit coupled to the drive unit and rotatable by the drive unit to produce impacts for causing the drive to produce an electric current change, and a control unit for judging the electric current change and controlling the operation of the drive unit subject to the judgment result. Subject to the above-stated technical characteristics, the hydraulic pulse tool, in addition to the shutoff function, can reduce errors in judgment and achieve multi-stage torque output control.
    Type: Application
    Filed: December 11, 2013
    Publication date: April 9, 2015
    Applicant: TRANMAX MACHINERY CO., LTD.
    Inventor: HSIN-CHI CHEN
  • Patent number: 8998887
    Abstract: The invention relates to a medical instrument for removing tissue, in particular a shaver, drill, or morcellator, having a tool that can be set in rotation and a motorized drive for driving the tool, and having an elongate body and a handle that projects laterally from said elongate body. The handle is fastened in a detachable manner to the body.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: April 7, 2015
    Assignee: Karl Storz GmbH & Co. KG
    Inventors: Markus Simmen, Raphael Spycher, Urs Vogel
  • Patent number: 9000882
    Abstract: An electronic power apparatus is provided, including a circuit board having a conductive pads and a sense pad coupled to an output signal, and an actuator having a wiper portion accommodating a conductive wiper. The wiper includes a first end arranged to engage the sense pad and a second end arranged to slidably engage at least one of the conductive pads on the circuit board. The conductive pads are arranged in a first row of conductive pads and a second row of conductive pads in parallel with and at a distance to the first row of conductive pads. An alignment of the second row of conductive pads is offset with respect to the first row of conductive pads.
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: April 7, 2015
    Assignee: Black & Decker Inc.
    Inventors: Matthew Velderman, Michael K. Forster
  • Publication number: 20150083449
    Abstract: A contact head unit provided in a contact apparatus may be provided with a contact rod, a housing, a thrust air passage, and a cancel air passage. The housing supports the contact rod linearly movably by a static pressure air bearing, which allows the contact rod to be brought into contact with an object. If a compressed air is supplied to the thrust air passage, a force in a direction of approaching the object acts on the contact rod. If the compressed air is supplied to the cancel air passage, a force in an opposite direction acts on the contact rod. A control unit sets applied pressure on the object by controlling the pressure of the compressed air of the thrust air passage and the pressure of the compressed air of the cancel air passage while the contact rod is in contact with the object.
    Type: Application
    Filed: September 17, 2014
    Publication date: March 26, 2015
    Inventors: Takashi Nakagawa, Toshihide Matsukawa
  • Patent number: 8944179
    Abstract: A power tool that includes a driving motor and a power transmitting mechanism. The power transmitting mechanism includes a first clutch cam part, a second clutch cam part, clutch teeth, a clutch detecting mechanism and a controller that can control the driving motor in a first control mode in which the driving motor is controlled to rotate at a first rotation speed until before the first and second clutch cam parts are engaged with each other at the clutch teeth and in a second control mode in which the driving motor is controlled to rotate at a second rotation speed higher than the first rotation speed after the first and second clutch cam parts are engaged with each other at the clutch teeth.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: February 3, 2015
    Assignee: Makita Corporation
    Inventors: Tomohiro Ukai, Yuta Matsuura, Takamasa Hanai, Junpei Kamimoto, Akihiro Ito
  • Patent number: 8936106
    Abstract: An orthopedic impacting tool comprises a motor, an energy storage arrangement, a striker, and an anvil. The motor stores energy in the energy arrangement means and then releases it, causing the striker to apply a controlled force on an adapter to create a precise impact for use in a surgical setting. The tool may further comprise a combination anvil and adapter. The tool further allows forward or backward impacting for expanding the size or volume of the opening or for facilitating removal of a broach, implant, or other surgical implement from the opening. An energy adjustment control of the tool allows a surgeon to increase or decrease the impact energy. A light source and hand grips improve ease of operation of the tool.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: January 20, 2015
    Assignee: Medical Enterprises LLC
    Inventor: Christopher Pedicini
  • Patent number: 8936105
    Abstract: An orthopedic impacting tool comprises a motor, an energy storage chamber, a striker, and an anvil. The motor stores energy in the energy storage chamber and then releases it, causing the striker to apply a controlled force on an adapter to create a precise impact for use in a surgical setting. The tool may further comprise a combination anvil and adapter. An energy adjustment control of the tool allows a surgeon to increase or decrease the impact energy. A light source and hand grips improve ease of operation of the tool.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: January 20, 2015
    Assignee: Medical Enterprises LLC
    Inventor: Christopher Pedicini
  • Publication number: 20150014004
    Abstract: One embodiment includes display device configured to wirelessly receive a first position status from a positioning device; display a first work-tool working-axis leveling status based on the first position status; receive cut parameters; receive a cut-start indication; determine a first work-tool position status difference based on cut parameters and a second position status; present a position status correction indicator; determine that a third position status is within cut parameters; send a cut-start signal to the positioning device operable to actuate the first work-tool; determine a work-tool cut completion; and send a cut-end signal to the positioning device operable to de-actuate the first work-tool.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 15, 2015
    Applicant: OTL DYNAMICS LLC
    Inventors: Richard S. Schubert, Robert P. Donker
  • Publication number: 20150014005
    Abstract: A screwdriving tool that includes a driving tool (driver), a sensor, a sensor target and a contact trip assembly that is coupled to the driving tool and has a nose element. The driver has a housing, a motor and an output member that is driven by the motor. One of the nose element and the output member is axially movable and biased by a spring into an extended position. The sensor and sensor target are configured to cooperate to permit the sensor to provide a sensor signal that is indicative of movement of the one of the nose element and the output member. The motor is controllable in a first operational mode and at least one rotational direction based in part on the sensor signal.
    Type: Application
    Filed: September 30, 2014
    Publication date: January 15, 2015
    Inventors: Daniel PUZIO, Craig A. SCHELL, Joseph P. KELLEHER, Scott ESHELMAN, Andrew E. SEMAN, JR., Todd A. HAGAN, Joseph G. STAUFFER, Will WANG, John D. COX
  • Patent number: 8925645
    Abstract: An oil pulse tool includes a motor, an oil pulse unit, an output shaft on which a front end tool is attached, a torque detecting sensor for detecting generation of an impact torque, and an operating portion configured to detect a time period between a first impact torque detected by the torque detecting sensor and a second impact torque detected by the torque detecting sensor. The second impact torque is smaller than the first impact torque. The operating portion carries out a notification when the time period between the first impact torque and the second impact torque is less than a predetermined evaluation value for the time period between the first impact torque and the second impact torque.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: January 6, 2015
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Tetsuhiro Harada, Tomomasa Nishikawa, Kazutaka Iwata, Shinki Ohtsu, Nobuhiro Takano
  • Publication number: 20140374131
    Abstract: A power tool has a continuously variable transmission, a condition detection device, and an operation control device. The continuously variable transmission changes a velocity of a rotational output from a drive motor and outputs the rotational output to a spindle to which a tip end tool is mounted. The condition detection device detects a condition of the power tool. The operation control device determines a target RPM of the spindle based on the condition of the power tool detected by the condition detection device, and controls an RPM of the drive motor and/or a transmission gear ratio of the continuously variable transmission based on the target RPM.
    Type: Application
    Filed: May 10, 2012
    Publication date: December 25, 2014
    Applicant: MAKITA CORPORATION
    Inventors: Shinji Hirabayashi, Tadasuke Matsuno
  • Publication number: 20140374130
    Abstract: An impact tool includes a motor, a hammer, an anvil, and a control unit. The hammer is configured to be driven by the motor and be movable in an axial direction of the motor. The anvil is configured to be struck by the hammer. The control unit is configured to control a rotation of the motor. The impact tool further includes a restricting unit configured to restrict the movement of the hammer in the axial direction. The control unit is configured to select a driving mode of the motor between a first mode and a second mode. The control unit selects the first mode when a load of the motor is less than or equal to a prescribed value regardless of a restriction of the restricting unit, whereas the control unit selects the second mode when the load exceeds the prescribe value and the restricting unit restricts the movement of the hammer.
    Type: Application
    Filed: March 4, 2013
    Publication date: December 25, 2014
    Inventors: Mizuho Nakamura, Nobuhiro Takano, Tomomasa Nishikawa, Hironori Mashiko
  • Publication number: 20140367134
    Abstract: A method is provided for controlling operation of a power tool, such as a drill driver. The method begins with one or more descriptors for a fastening application being received by a controller residing in the power tool, where the descriptors are indicative of a fastening application to be performed by the power tool and are received via a wireless data link from a computing device located remotely from the power tool. The descriptors are translated into a threshold value used by a fastener setting algorithm and the threshold value is stored in a data store of the power tool. During a subsequent fastening operation performed using the tool, an operating parameter of the power tool is monitored and evaluated in accordance with the fastener setting algorithm, including the updated threshold value. Example operating parameters include current delivered to the motor and speed of the motor.
    Type: Application
    Filed: July 29, 2014
    Publication date: December 18, 2014
    Inventors: Steven J. Phillips, Oleksiy Sergyeyenko, Christopher W. Shook, Wong Kun Ng, Kevin Wenger
  • Patent number: 8875804
    Abstract: A screwdriving tool that includes a driving tool (driver), a sensor, a sensor target and a contact trip assembly that is coupled to the driving tool and has a nose element. The driver has a housing, a motor and an output member that is driven by the motor. One of the nose element and the output member is axially movable and biased by a spring into an extended position. The sensor and sensor target are configured to cooperate to permit the sensor to provide a sensor signal that is indicative of movement of the one of the nose element and the output member. The motor is controllable in a first operational mode and at least one rotational direction based in part on the sensor signal.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: November 4, 2014
    Assignee: Black & Decker Inc.
    Inventors: Daniel Puzio, Craig A. Schell, Joseph P. Kelleher, Scott Eshleman, Andrew E. Seman, Todd A. Hagan, Joseph G. Stauffer, Will Wang, John D. Cox
  • Publication number: 20140318819
    Abstract: An orthopedic impacting tool comprises a motor, an energy storage means, a striker, and an anvil. The motor stores energy in the energy storage means and then releases it, causing the striker to apply a controlled force on an adapter to create a precise impact for use in a surgical setting. The tool may further comprise a combination anvil and adapter. The tool further allows forward or backward impacting for expanding the size or volume of the opening or for facilitating removal of a broach, implant, or other surgical implement from the opening. An energy adjustment control of the tool allows a surgeon to increase or decrease the impact energy. A light source and hand grips improve ease of operation of the tool.
    Type: Application
    Filed: July 16, 2014
    Publication date: October 30, 2014
    Inventor: Christopher Pedicini
  • Publication number: 20140321930
    Abstract: A hand tool operating unit includes at least one operating member, and an electronic operating unit that has a position sensor configured to ascertain a position of the operating member. The hand tool operating unit additionally includes at least one further sensor that is configured to ascertain at least one characteristic variable.
    Type: Application
    Filed: April 17, 2014
    Publication date: October 30, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Klaus Dengler, Wolfgang Hirschburger, Christopher Wiess
  • Publication number: 20140306574
    Abstract: A generator stator core through-bolt tensioning device that automatically tightens the nut on the through-bolts that hold together and compress laminate plates of the stator core in a high voltage generator. A controller receives a signal from a measuring device, such as a fiber Bragg grating that measures the strain on the bolt, and based on that signal determines whether the nut needs to be tightened. If the controller determines that tightening is necessary, it will cause the tensioning device to automatically tighten the nut while the generator is in service, and use the measuring device to provide feedback of the tensioning of the through-bolt to know when to stop the device from tightening the nut.
    Type: Application
    Filed: April 16, 2013
    Publication date: October 16, 2014
    Inventors: Michael Twerdochlib, Edward David Thompson, Evangelos V. Diatzikis
  • Patent number: 8857533
    Abstract: A portable power wrench of an angle type includes an elongated housing with an angle drive head and a rear handle and supports a motor. The power wrench also includes a manually operated power control device including a main power control trigger located at the rear handle and an auxiliary power control trigger located at the angle drive head. The motor as well as the main trigger and the auxiliary power control trigger are connected to a programmable control unit in which there are stored operation parameter sets suitable for a screw joint running down phase and a final tightening phase, respectively. The auxiliary power control trigger is arranged to activate the running down parameter set only, whereas the main power control trigger is arranged to activate the final tightening parameter set.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: October 14, 2014
    Assignee: Atlas Copco Industrial Technique Aktiebolag
    Inventor: Hans Karl Johan Brodin
  • Patent number: 8851200
    Abstract: A system includes a power tool having a motor, a drive mechanism mechanically coupled to the motor, and an output element mechanically coupled to the drive mechanism. The motor is operable to drive the drive mechanism and the output element. The system also includes a non-motorized sensing tool having a printed circuit board and a sensing element electrically coupled to the printed circuit board. The sensing element is operable to detect an external characteristic and output a signal to the circuit board. The circuit board is operable to condition the signal into a human-comprehensible form. The system further includes a rechargeable battery pack removably and independently coupled to the power tool and the non-motorized sensing tool to power the motor to drive the drive mechanism and the output element when connected to the power tool and the circuit board and the sensing element when connected to the non-motorized sensing tool.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: October 7, 2014
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Rick Gray, Paul Fry, Mike N. Jones, Scott Schneider, Hugues Marie R. F. Sanoner
  • Publication number: 20140284070
    Abstract: A handheld power tool is configured to receive an input indicative of a clutch setting for an electronic clutch from the tool operator, where the clutch setting is selectable from a drill mode and a drive mode. In a drill mode, torque applied to the output spindle is ignored; whereas, in the drive mode, the torque applied to the output spindle is monitored and interrupted in an automated manner by a controller when a fastener being driven reaches a desired stopping position. Display states of the interface components of the tool may be set in accordance with current tool conditions and/or various triggering conditions. One such interface component is the input used to set the operating mode (e.g., clutch setting) of the tool.
    Type: Application
    Filed: June 6, 2014
    Publication date: September 25, 2014
    Inventors: Wong Kun Ng, Oleksiy P. Sergyeyenko, Christopher W. Shook, David Miller
  • Publication number: 20140276839
    Abstract: Driver assemblies, drivers, drill bits, and methods for determining information (such as impedances, voltages, voltage differences, and changes in such information) about biological material during a medical procedure.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: Vidacare Corporation
    Inventors: Michael Robert Forman, Eric Norman Rudie
  • Patent number: 8833484
    Abstract: A control method for a power tool and a power tool is disclosed. The control method has an operating mode and a safety mode. In the operating mode, a motor drives a tool receptacle in a rotating manner. In the operating mode, the motor has a power consumption in the amount of at least an operating value. The safety mode is triggered if a sensor device detects a rotational blockade of the tool receptacle. In the safety mode, a clutch that is switchable by electrical signals located in the drive train between the motor and tool receptacle is periodically opened and closed and a power consumption of the motor is reduced as compared to the operating value.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: September 16, 2014
    Assignee: Hilti Aktiengesellschaft
    Inventors: Albert Binder, Dieter Profunser, Alexander Hoop
  • Patent number: 8833485
    Abstract: A battery-powered portable tool, such as a chainsaw, hedge trimmer or handheld drill, comprising: a housing (1), a driven element (2) supported by the housing (1), an electric motor (6) coupled to the driven element (2) so as to drive the driven element (2), a battery (5) electrically coupled to the motor (6) so as to supply electric current to the motor (6) and a control circuit (8) arranged to control the supply of electric current to the motor (6) from the battery (5), in which the control circuit (8) comprises a main switch (8) operable by a user and an auxiliary switch (10, 11) also operable by a user; in which the control circuit (8) has: an active state in which operation of the main switch (8) by the user allows electric current to flow to the motor (6) so as to cause the driven element (2) to be driven; and an inactive state in which operation of the main switch (8) does not allow electric current to flow to the motor (6) and so the motor (6) does not drive the driven element (2); in which operation
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: September 16, 2014
    Assignee: Husqvarna AB
    Inventors: Johan Svennung, Pär Martinsson, Johan Björnlinger
  • Patent number: 8820432
    Abstract: A pneumatic impulse wrench for tightening screw joints includes a housing with a pressure air inlet passage, an exhaust air outlet passage, a rotation motor, a hydraulic impulse generator, and is connected to a stationary programmable control unit. The impulse wrench also includes a torque indicating mechanism connected to the control unit for feeding back electric signals responsive to the output torque of the wrench, an electromagnetically activated inlet valve arranged in the air inlet passage, and an electromagnetically activated exhaust valve which controls the exhaust air flow from the motor. The exhaust valve is a proportional valve activated by a linearly operated electromagnetic actuator and arranged to continuously adapt the exhaust air flow and, hence, the motor power to the characteristics of the actual screw joint being tightened in response to feed back signals from the torque indicating mechanism and in accordance with a programmed tightening strategy.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: September 2, 2014
    Assignee: Atlas Copco Industrial Technique Aktiebolag
    Inventor: Anders Urban Nelson
  • Publication number: 20140242890
    Abstract: An angle grinder including at least one boost mode unit configured to provide a boost mode, and a switching-over unit configured to switch over between a conventional mode and the boost mode.
    Type: Application
    Filed: February 21, 2014
    Publication date: August 28, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Cornelius Boeck, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz, Daniel Barth
  • Patent number: 8813866
    Abstract: An electric power tool is powered by a plurality of battery packs connected in series. The electric power tool comprises a controller configured to receive signals outputted from the integrated circuits located in each of the battery packs. A first voltage level-shifter is disposed between the controller of the electric power tool and one of the integrated circuits of the battery packs. The first voltage level-shifter is configured to shift the voltage level of the signal outputted from the respective integrated circuit to the tool controller to an acceptable level for the controller.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: August 26, 2014
    Assignee: Makita Corporation
    Inventor: Hitoshi Suzuki
  • Publication number: 20140231113
    Abstract: A method is provided for controlling an electric hand-held power tool having a device housing and a coupling device on the device housing side for securing an auxiliary handle to the device housing. It is detected whether the auxiliary handle is secured to the device housing and/or whether the auxiliary handle is gripped by a user. In addition, the instantaneous operating state is ascertained and evaluated. A protective function is activated when the occurrence of a critical operating case is recognized during the evaluation of the instantaneous operating state. It is provided that the evaluation of the instantaneous operating state and/or the activation of the protective function is/are carried out as a function of whether the auxiliary handle is secured to the device housing and/or whether the auxiliary handle is gripped by the user.
    Type: Application
    Filed: February 21, 2014
    Publication date: August 21, 2014
    Applicant: ROBERT BOSCH GMBH
    Inventor: Christoph STEURER
  • Publication number: 20140223712
    Abstract: This fastener driving device is equipped with an impact force applying device that repeatedly applies impact forces to a fastener; and a load cell that detects a reaction force acting on the impact force applying device. The impact force applying device stops the applying of the impact force to the fastener on the basis of a detection result of the reactive force.
    Type: Application
    Filed: April 25, 2012
    Publication date: August 14, 2014
    Inventors: Yusuke Ikeda, Toshiyuki Funato, Takahiro Inagaki, Mikio Nakamura, Yosuke Ikeda, Kunihiro Kuroi, Akihito Suzuki, Yuji Kondo, Tsugumaru Yamashita
  • Patent number: 8800679
    Abstract: An improved method is provided for operating a power tool. The method includes receiving an input control variable from an input unit; receiving at least one tool parameter relating to the power tool; determining a derivative of the input control variable; selecting one of a plurality of control profiles based on the control input variable, the derivative of the input control variable, and the tool parameter, each control profile correlating the control input variable of the input unit to a rotational speed at which to drive the output shaft; and driving the output shaft at a rotational speed in accordance with the selected control profile.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: August 12, 2014
    Assignee: Black & Decker Inc.
    Inventors: Scott Eshleman, Joseph P. Kelleher