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| Number | Title | Issue Date |
| 8186236 | Actuator Actuator of the type where a driving rod (11) is extended by a nut (10) on a driven spindle. A manually operated emergency lowering device (14) for the driving rod (11) is mounted between the driving rod (11) and a mounting bracket... | 05/29/2012 |
| 8181546 | Linear actuator In an actuator, a quick release unit is introduced in a transmission between an activating element and a reversible electric motor for disengaging the activating element (5) from the electric motor and the part of the transmission (6) which is disposed... | 05/22/2012 |
| 8127634 | Driving device A driving device with a first and second fastening device which can be connected to a stationary base part, particularly a vehicle body, or can be connected to a movable structural component part, particularly a hatch or door of a vehicle, a spindle drive which has ... | 03/06/2012 |
| 8015890 | Linear actuator A linear actuator includes a reversible electric motor which drives a spindle via a reduction gear with several stages and an activation element connected with it, and an overload clutch in connection with the first stage or one of the first stages in the reduction ... | 09/13/2011 |
| 8006579 | Electric linear actuator Provided is an electric linear actuator advantageous in downsizing and weight reduction. The electric linear actuator includes: a housing; a motor held by the housing; a nut member rotatably held with respect to the housing; a screw shaft threadedly engaged with the... | 08/30/2011 |
| 7900531 | Drive device In a drive device for opening and or closing the hatch of a motor vehicle, the drive including a spindle drive with a threaded spindle and a nut, with a clutch arranged between the rotary drive and the spindle drive, the clutch includes a shifting element, a clutch ... | 03/08/2011 |
| 7856901 | Actuating device for a motor vehicle transmission An actuating device for a motor vehicle transmission having multiple transmission steps, having a threaded spindle which is mounted so it is rotationally movable and axially fixed and a spindle nut which is positioned on this threaded spindle and may be driven there... | 12/28/2010 |
| 7634951 | Spindle drive for a movable component, the spindle drive being drivable by a drive A spindle drive for a movable component includes a threaded spindle which is rotatable about a spindle axis; a spindle nut which engages the threaded spindle; and a transmission element which can be connected to the movable component, the transmission element being ... | 12/22/2009 |
| 7594450 | Quick-releasing linear actuator A quick-releasing linear actuator suitable for electric hospital beds includes a motor, a transmission device, a clutch device and a pulling arm device. With the pulling of the pulling arm of the pulling arm device, a clutch and a clutch base of the clutch device ca... | 09/29/2009 |
| 7347115 | Linear actuator A rotary shaft and a rotation driven member are connected as to transmit motive power when the rotary shaft rotates relatively to the rotation driven member. A roller gets displaced to a first position where a frictional force with an outer race and the rotation dri... | 03/25/2008 |
| 7342374 | Automatic gate operator A barrier movement operator is having a position sensor in a telescoping barrier control arm is described. A controller, remote from the arm, senses the barrier position to identify limits of barrier travel and to control rate of travel of the barrier between limits... | 03/11/2008 |
| 7313978 | Linear motion device associated to a worm A linear motion device (10) associated to a worm (14) including a body (12) internally provided with a housing seat for partially receiving a worm having a plurality of grooves, a mobile device (52) for temporary engagement in an exposed ... | 01/01/2008 |
| 7287541 | Method, apparatus and system for controlling fluid flow A system, apparatus and method of controlling the flow of a fluid are provided. In accordance with one embodiment of the present invention, a flow control device includes a valve having a flow path defined therethrough and a valve seat in communication with the flow... | 10/30/2007 |
| 7273335 | Machine tool A machine tool includes a table supported by a bed for forward and rearward movement along a path of movement, left and right transversely aligned upright columns on opposite sides of the path of movement, a cross rail supported in the columns for movement upwardly ... | 09/25/2007 |
| 7255589 | Grounding connector A grounding connector includes a base with a first crimping structure extending from the base for crimping to the cable and securing the cable relative to the base along a cable axis. A first contact member can extend from the base laterally adjacent to the first cr... | 08/14/2007 |
| 7249918 | Cutting machine Cutting apparatus having a ram axis gear tube (32) equipped with internal threads engageable with external threads (48) of a main shaft (42). A tool can be fixed to the main shaft (42). The external threads (48) of the main shaft (... | 07/31/2007 |
| 7237991 | Machine tool The present invention provides a machine tool capable of reducing residual vibration occurring at the location time, thereby achieving responsiveness to a recent demand for higher acceleration/deceleration speed. The machine tool is configured such that a column ... | 07/03/2007 |
| 7234757 | Electromechanical strut An electromechanical strut using an inline motor coupled to an inline planetary gear that are both mounted in the lower housing. The motor-gear assembly drives a worm gear and nut screw in the upper housing, extending or retracting an extensible shaft. Additionally,... | 06/26/2007 |
| 7232424 | Syringe pump bearing mechanism A lead screw mounting system for a syringe pump in which a second end of a lead screw is located within a connection tube that connects a drive device engaged with the lead screw to a plunger drive head. A bearing mount having diverging bearing surfaces is formed at... | 06/19/2007 |
| 7231842 | Actuating device An actuation device for adjusting a powered control device opposite the adjusting direction. The actuation device comprises an actuation element axially displaceable in a housing by a feed device at least in the adjusting direction. The actuation device includes an ... | 06/19/2007 |
| 7210369 | Ball screw drive In a ball screw drive comprising a spindle nut (2) that can be disposed on a spindle (1), said spindle nut (2) comprising on an inner periphery, a ball groove (3) that is arranged along a helix and defines a load-bearing channel (6... | 05/01/2007 |
| 7144126 | Clutch structure of automative mirror adjustment mechanism The present invention provides a clutch structure of mirror adjustment mechanism comprising a clutch driving gear with specified gear teeth formed at circumference thereof and hollow fitting chuck formed at center thereof, to be geared with the output axis of a driv... | 12/05/2006 |
| 7141897 | Electric actuator expanded with sensor and electronic brake An electric actuator that is capable of driving a motor in a cylindrical structure, such that the electric actuator itself can be expanded. The electric actuator includes: a motor for driving the electric actuator and a screw cylinder for connecting a shaft of the m... | 11/28/2006 |
| 7100465 | Actuator An actuator includes an inner tube, an outer tube disposed over the inner tube in a manner such that the tubes reciprocate with respect to one another. A removably operably disposed ball screw having a ball nut thereon extends through the tubes, the ball screw havin... | 09/05/2006 |
| 7093695 | Park brake cable end assembly for a drum-in-hat disc brake assembly This invention relates to an improved park brake cable end assembly for a drum-in-hat disc brake assembly having a disc service brake and a drum-in-hat parking and emergency brake. The drum-in-hat disc brake assembly includes a backing plate adapted to support a dru... | 08/22/2006 |
| 7073827 | Electromechanical latching system An electromechanical latching system for locking a cabinet door and the like is disclosed. The latching system includes a motor drive that may include a gearbox. The motor drive selectively rotates a screw. In one embodiment, the screw engages a threaded opening of ... | 07/11/2006 |
| 7066041 | Linear actuator A linear actuator useful for adjusting furniture includes a housing (1) with a reversible electric-motor (2) which, via a transmission (11, 13), drives a spindle (4) with a force absorbing bearing (16). On the spindle there is a nu... | 06/27/2006 |
| 7055195 | Patient bed with CPR system An electrically activated emergency system for a patient bed comprises: an electrically powered linear actuator for driving a back rest of the patient bed from a lowered back rest position to a raised back rest position and operable to permit the back rest to lower ... | 06/06/2006 |
| 7047834 | Actuator An actuator includes a quick release inserted in a transmission between an activating element (6) and a reversible electric motor (2) for releasing the activating element from the electric motor and the part of the transmission extending from the motor... | 05/23/2006 |
| 7023162 | Automatic gate operator A barrier movement operator is having a position sensor in a telescoping barrier control arm is described. A controller, remote from the arm, senses the barrier position to identify limits of barrier travel and to control rate of travel of the barrier between limits... | 04/04/2006 |
| 7000353 | Release mechanism for an electrical actuator used in swing gates A transmission joint with a coupling having frontal teeth (20,21) is inserted between an output shaft of a gear motor and a worm screw. A release element is associated in a radial way to the coupling so that the coupling can be manually released in an emergen... | 02/21/2006 |
| 6981428 | Linear actuators A linear actuator comprises rotary motion producing means (1,2,3,4,5); linear motion producing means (6,7,10,11,12) coupled with the rotary motion producing means for converting rotary motion to linear motion; a driven member (18) movable linear... | 01/03/2006 |
| 6974107 | Thrust reverser system actuator having an integral torque limiter A thrust reverser system actuator assembly is provided that includes a torque limiter to limit the number of torque that may be applied to the actuator assembly. The actuator assembly includes an actuator and a torque limiter assembly. The actuator is adapted to rec... | 12/13/2005 |
| 6971620 | Adjustment mechanism for a vehicle seat slide An adjustment mechanism for a slide of a motor vehicle seat, the adjustment mechanism comprising a worm screw, a first nut and a second nut rotatably receiving the worm screw, a support, and two resilient buffers received respectively between the first nut and the s... | 12/06/2005 |
| 6928894 | Compensated actuator with optimized power An actuator combining mechanical and hydraulic forces includes a cylindrical body and a piston that can slide relative to the cylindrical body. The piston and the cylindrical body are connected by a mechanical system for transmitting mechanical power that constitute... | 08/16/2005 |
| 6899171 | Actuating device An actuator system for shifting a control device that is pressure-loaded in the direction opposite the shift direction. The actuator system comprises an actuator element capable of being axially moved in the shift direction within a system enclosure by a rotating sp... | 05/31/2005 |
| 6879065 | Linear actuator An improved linear actuator incorporates a DC motor whose stator is secured to a frame is provided for. To improve operational longevity and reliability of a linear actuator, the improved actuator includes a retention clutch and an axial load limiter. An axially con... | 04/12/2005 |
| 6796199 | Drive for machine components such as carriages, gripping devices or the like A drive for machine components has at least one threaded spindle having spindle sections with oppositely oriented axial pitch. Nuts are seated on the at least one threaded spindle and engage the spindle sections, respectively. At least one motor is connected to the ... | 09/28/2004 |
| 6689037 | Machine for the lengthwise treatment of webs of corrugated board On a machine frame, a machine for the lengthwise treatment of webs of corrugated board comprises a pair of tool beds, on which several tool holders are disposed for displacement by means of a threaded spindle. The tool holders each support a tool. The num... | 02/10/2004 |
| 6662921 | Wheel steering apparatus To provide a wheel steering apparatus capable of exhibiting a stabilized vehicle steerability without transmitting an external disturbance torque to a motor rotor even when the wheel receives an axially acting external force, this wheel steering apparatus... | 12/16/2003 |
