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| Number | Title | Issue Date |
| 8230570 | Automatic gravity vacuum screw feeding An electric screwdriver is coupled to an automatic screw feeding adaptor defining a screw path having a proximal end, a middle region and a distal end. A first screw is received within the screw feeding adaptor and held at a driving position near the distal end of t... | 07/31/2012 |
| 7963017 | Method for tightening a screwed joint on a component in an automated manner, and suitable industrial robot system The method is used for automated tightening of a screwed joint (16), which is fitted to a component (10) in advance and contains a screw (12) and a nut (14), using a programmable industrial robot system (18). In this case, the inve... | 06/21/2011 |
| 7958611 | Method for quality checking a screw joint tightening process performed by a torque impulse wrench A number of pre-production calibration tightenings are performed at a screw joint identical to a screw joint used in production and using the same impulse wrench as to be used in production tightening. The value of one or more tightening related parameters are regis... | 06/14/2011 |
| 7549204 | Methods for picking and placing workpieces into small form factor hard disk drives A method of driving screws may include steps of providing a robotically controlled screw driver, a servo motor assembly for moving the screw driver, at least one controller for controlling the screw driver and the servo motor assembly, and a machine vision assembly ... | 06/23/2009 |
| 7543365 | Method of flexible connection A flexible connector may include a tube having an open end and a lower end distal from the open end, an inner surface of the open end comprising a plurality of apices forming a substantially polygonal lower cross-section, an upper shaft having an insert end disposed... | 06/09/2009 |
| 7360435 | Ultrasonic control of bolt tightening Tightening of a bolt is controlled by monitoring the change in round trip time of propagating longitudinal ultrasonic waves through the bolt and the reflection of these waves at the end of the bolt. The round trip time of the longitudinal waves through bolt is conti... | 04/22/2008 |
| 7350286 | Rotational and axial power transmitting apparatus Threaded member assembling can be performed using a rotational/axial-movement-transmitting unit including an upper frame; a motor held by the upper frame; a female threaded member secured to the upper frame; a male threaded member assembled in the female threaded me... | 04/01/2008 |
| 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 |
| 7302864 | Torque sensor A plurality of acoustic wave sensing devices can be provided, which are mechanically simulated for implementation upon a quartz wafer substrate. The quartz wafer substrate is appropriately etched to produce a quartz diaphragm from the quartz wafer substrate. A plura... | 12/04/2007 |
| 7284433 | Ultrasonic testing of fitting assembly for fluid conduits with a hand-held apparatus Hand-held apparatus and method for determining relative and/or absolute axial position of a conduit end within a fluid coupling includes application of input ultrasonic energy in the form of transient shear waves and analyzing the reflected energy. Application of th... | 10/23/2007 |
| 7234536 | Power screwdriver A power screwdriver is disclosed having a drive which is coupled via a clutch, disengaging as a function of torque, to a tool drive shaft for driving a tool. The screwdriver comprises an electronic control unit for controlling the drive, and a sensor which is couple... | 06/26/2007 |
| 7225865 | Apparatus for positioning a tong and drilling rig provided with such an apparatus A method and apparatus for positioning a tong comprises a piston and cylinder assembly and a mounting assembly therefor. The mounting assembly is mounted on a support beam in the drilling derrick and the piston and cylinder assembly is pivotally mounted on the mount... | 06/05/2007 |
| 7220211 | Multispeed power tool transmission A multi-speed transmission assembly for a rotary power tool. The transmission assembly includes a plurality of transmission stages, with at least two of the transmission stages employing a movable reduction element that permits the transmission stage to be operated ... | 05/22/2007 |
| 7200914 | Apparatus and method for loading a riveting module with blind rivet nuts The invention relates to a device for loading a rivet module (10), which can be vertically displaced between a lower placement position and an upper loading position, with blind rivet nuts (100) using a rivet feed (22). The invention is characte... | 04/10/2007 |
| 7188549 | Axial-force-detective fastening tool, bolt, and method of manufacturing bolt An axial-force-detective fastening tool fastens a nut to a bolt, and at the same time, detects and axial force acting on the bolt. The tool has a socket body rotatably supported with a tool body and having a nut receiver. The socket body turns a nut received in the ... | 03/13/2007 |
| 7165634 | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 01/23/2007 |
| 7147068 | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 12/12/2006 |
| 7146715 | Spin pressure power tool Apparatus for installing a rivet nut or the like having an intentionally threaded shaft wherein the apparatus includes a hydraulically geared power tool having an inner hydraulic fluid containing a chamber and a screw adapted to engage the threaded shaft of the nut ... | 12/12/2006 |
| 7140824 | Tensioning hydraulic nuts A hydraulic tensioning system for nuts on studbolts has a puller bar and a puller buddy, which are coupled to the studbolt, and a bridge around the nut. The puller bar is internally coupled to the studbolt (and may engage the nut before the tension is applied). The ... | 11/28/2006 |
| 7137595 | Flight lock actuator with dual energy sources A flight lock actuator that can be powered by two sources of stored energy when aircraft power has been switched off. A mechanical energy storage means and an electrical energy storage means provide a fully redundant energy storage system that stores sufficient ener... | 11/21/2006 |
| 7100698 | Make-up control system for tubulars A make-up control method and system for creating a threaded connection between a first tubular and a second tubular are provided. The make-up control system including a top drive connected to the first tubular and a controller operably connected to the top drive tha... | 09/05/2006 |
| 7101300 | Multispeed power tool transmission A portable power tool with a housing, a motor having a motor output member, a driven member and a transmission. The transmission, which is located in the housing, is configured to receive a rotary input from the motor output member and to produce a rotary output tha... | 09/05/2006 |
| 7096740 | Reusable preload indicating washer assembly A preload indicating washer assembly that operates in the elastic region for a rated compression is disclosed. Because it operates in the elastic region, the preload indicating washer assembly resumes its original shape when the compression is decreased or removed. ... | 08/29/2006 |
| 7090031 | Intelligent tightening spindle with integrated measurement transducer, servo amplifier, and data processing unit An intelligent tightening spindle comprises a drive output; a housing adapted to detachably mount to a moving platform of a multi-tool processing station, with the housing substantially enclosing: at least one electric drive motor having an associated servo amplifie... | 08/15/2006 |
| 7066496 | Fitting with separable gripping device for pipe and tube A tube fitting for a tube end has a female threaded member that cooperates with a male threaded member. The female member includes a tube gripping device in the form of a gripping ring or ferrule that is attached to the female member by a frangible web. Upon a parti... | 06/27/2006 |
| 7062831 | Method for monitoring proper fastening of an article of assembly at more than one location A more reliable and fool-proof method and apparatus for assembling an article of assembly (e.g. with predetermined screw torque requirements) in which the article of assembly has multiple fastening locations. The method comprises holding the article of assembly fixe... | 06/20/2006 |
| 7055408 | Apparatus for tightening threaded member An apparatus (10) for tightening a hexagon head bolt (13) includes a vertically movable automatic robot arm (16), a screwing mechanism (18) having a rotational part (19), a shaft member (20) mounted to the rotational part, a... | 06/06/2006 |
| 7048050 | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 05/23/2006 |
| 7043814 | Method for aligning tubulars An apparatus is provided with position sensors. When the apparatus has moved one tubular into alignment with another tubular a button on a remote control console is pressed to memorize the position. After the next tubular has been gripped by the apparatus a “recal... | 05/16/2006 |
| 7036407 | Wrench with controlled tightening The invention provides an electronic wrench which includes means for measuring the instantaneous applied torque and means for measuring the instantaneous angle of rotation during tightening. The physical parameters of the screw connection for tightening and a setpoi... | 05/02/2006 |
| 7036610 | Apparatus and method for completing oil and gas wells A method of drilling and completing a wellbore in a geological formation to produce hydrocarbons from a well comprising at least the following four steps: drilling the well with a retrievable drill bit attached to a casing; removing the retrievable drill bit from th... | 05/02/2006 |
| 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 functional part (11) engages. A... | 04/04/2006 |
| 7024270 | Riveting system and process for forming a riveted joint Computer software for controlling a riveting system is operable to join two or more workpieces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present invention employs an electronic control un... | 04/04/2006 |
| 7011166 | System and method for assisting with automatically connecting pipe joints with a horizontal boring machine An automatic pipe handling system for automatically transporting pipe sections to and from a horizontal boring machine. The system comprises a pipe handling assembly, a pipe lubrication assembly, a makeup/breakout assembly, and an automatic control system. The pipe ... | 03/14/2006 |
| 6978846 | Power tool used for fastening screw or bolt In a power impact tool for fastening a screw or a bolt, malfunction that driving of a motor is stopped before the screw or the bolt is fastened completely can be prevented. A fastening judger judged that the fastening operation is completed at least when a torque va... | 12/27/2005 |
| 6945337 | Power impact tool In a power impact tool for fastening a fastening member, a torque for fastening the fastening member can be estimated without using a high-resolution sensor and a high-speed processor. The power impact tool comprises a rotation speed sensor for sensing a rotation sp... | 09/20/2005 |
| 6796031 | Process for setting bearings and verifying force preload A pair of tapered roller bearings, which are located between two machine components, such as a pinion shaft and its carrier, to enable the one component to rotate relative to the other one, is set to a desired dimensional preload with the aid of a gauge and the forc... | 09/28/2004 |
| 6782594 | Method and apparatus for auditing a tension load in the threaded fastener The present invention is directed towards a method and an apparatus for accurately estimating the tension or clamp force in a bolted joint. An installed fastener is rotated and the torque necessary to rotate the fastener and the angle through which the fastener is r... | 08/31/2004 |
| 6763564 | Automated method and apparatus for driving fasteners into an electric fan assembly An apparatus and method for assembling a fan grill to a shroud of a fan housing. The apparatus includes a support structure having a moveable carriage disposed in a horizontal plane. The moveable carriage is adapted to align and carry the fan grill and shroud combin... | 07/20/2004 |
| 6763573 | Assembly system for monitoring proper fastening of an article of assembly at more than one location A more reliable and fool-proof method and apparatus for assembling an article of assembly (e.g. with predetermined screw torque requirements) in which the article of assembly has multiple fastening locations. The method comprises holding the article of assembly fixe... | 07/20/2004 |
