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| Number | Title | Issue Date |
| 7559264 | Linear reciprocating propulsion apparatus The present invention relates to a linear reciprocating driving apparatus. It includes a sliding assembly, a slave chain-engaging and reversing mechanism, a flying wheel, a driven sprocket, a driving chain, and a guide column. The sliding assembly is arranged on the... | 07/14/2009 |
| 7411320 | Radially-activated engine A motor includes a plurality of linearly activated pistons, positioned radially around an axis, which are selectively and sequentially biased against on offset element to produce rotation of a rotatable element about the axis. The motor further includes an power sou... | 08/12/2008 |
| 7410144 | Pivot and bearing assembly for a manual valve operator A pivot assembly provides an economical means for reducing the load on a manually operated hand jack by providing a pivot point on the body of a connecting rod which allows for an additional degree of movement. The pivot assembly may include a thrust bearing to furt... | 08/12/2008 |
| 7341289 | Emergency unlocking system for the trunk of a motor vehicle This invention relates to an emergency unlocking system for a motor vehicle trunk (2), with a trunk lock (6) which comprises at least one lock latch (7) and an interacting locking part (8), with a catch means (14) which limits the ... | 03/11/2008 |
| 7298108 | Control system for electric actuator A driver comprises a direction-switching means which switches a rotation direction of a rotary driving source based on a direction instruction signal, a current amplifier/limiter which converts a voltage outputted from the direction-switching means into a correspond... | 11/20/2007 |
| 7281443 | Manual control device Manual actuating device for the actuation of an appliance, subjected to a force in a direction opposite to the actuation direction, especially in the production of mineral oil or natural gas, such as a blowout preventer (BOP), valve, actuator, throttle or similar, w... | 10/16/2007 |
| 7235908 | Motor actuator having motor holding arrangement A motor includes a motor housing and a rotor that is rotatably received in the motor housing. Holding portions hold the motor in a manner that limits turning of the motor housing around a rotational axis of the motor while permitting movement of the motor housing in... | 06/26/2007 |
| 7159481 | Ball screw device and linear motion device In a ball screw device comprising a screw shaft and a nut which make relative movement to each other through a multiplicity of balls, as well as in a linear motion device comprising an outer member and an inner member which make the relative movements to each other ... | 01/09/2007 |
| 7156217 | Motion transmitting apparatus A motion transmitting apparatus wherein an electric motor, an engine or another prime mover rotates an axially fixed first part relative to a coaxial axially movable non-rotatable second part. The structure which serves to move the second part axially in response to... | 01/02/2007 |
| 7140151 | Electro-mechanical actuator An electro-mechanical actuator for a window lift mechanism including a plurality of motors for driving an output shaft. The actuator may be incorporated into a window lift mechanism including a dual rack and pinion assembly, for driving the pinions along the racks. ... | 11/28/2006 |
| 7104589 | Door driving unit A door driving unit includes a driving mechanism rotatable in a reciprocating manner within a predetermined operational angle range, a body portion fixed to a vehicle body, a first member driven by the driving mechanism, and a second member driven by the first membe... | 09/12/2006 |
| 7098562 | Ambidextrous electronic window lift motor A motor assembly 30 includes an electric motor 32 having a rotatable shaft 40, the shaft 40 having a worm 38; and a gear unit 33 operatively associated with the motor, the gear unit has first and second opposing ends. The ge... | 08/29/2006 |
| 7014397 | Self-aligning handheld tapping tool A self-aligning tapping tool comprises an elongate handle having a longitudinal counterbore through a first end. A tap is received in the counterbore. A collar is operatively secured to the tap. The collar is slightly smaller than the counterbore to enable slidable ... | 03/21/2006 |
| 7009627 | Display apparatus, and image signal processing apparatus and drive control apparatus for the same A display apparatus includes a display panel having display devices arranged in a matrix layout and driven through a plurality of row wirings and column wirings, a scanning unit to scan the row wirings, and a modulation unit to supply a modulation signal to the colu... | 03/07/2006 |
| 7000493 | Screw device having lubricant applying portion A screw device having a lubricant applying structure comprises a screw shaft provided with a spiral ball rolling groove, a nut provided with a loaded ball rolling groove having a spiral shape corresponding to the spiral ball rolling groove formed to the screw shaft,... | 02/21/2006 |
| 6964215 | Rotary positioning multi-faced tooling fixture and associated methods A tooling fixture for rotatably positioning a plurality of workpieces includes a base and a housing carried by the base. A plurality of workpiece spindles are carried by the housing. The tooling fixture also includes a spindle drive assembly for rotatably positionin... | 11/15/2005 |
| 6919658 | Coordinate measuring stage An XY coordinate measuring stage includes a drive unit for a coordinate axis. The drive unit has a friction rod and a motor, the motor including a motor shaft in contact with a side of the friction rod. An applied pressure roller contacts an opposite side of the fri... | 07/19/2005 |
| 6911819 | Rotary to linear LVDT system A rotary input for a linear variable differential transformer (LVDT) system connects to a gear reduction system. The gear reduction produces a reduced rotary output in a rotary output member. The output member is threaded, and a nut is threaded onto the output membe... | 06/28/2005 |
| 6868747 | Linear drive A linear drive includes a toothed belt (2) driven by direction-changing rollers (1) in the pretensioned state. The toothed belt (2) has at least one tension reinforcement. The teeth (3) of the belt (2) engage in the teeth gaps (... | 03/22/2005 |
| 6766704 | Actuating system Actuating system comprising an actuator with a torque-transmission element for a movable element, in particular a swing-action panel in a motor vehicle, the movable element being mounted pivotably in a basic hinge element. The actuating system has a torque support a... | 07/27/2004 |
| 6761080 | Multiple stage, multiple extend, speed reducing ball screw linear actuator and method of constructing and operating the actuator A multiple extend ball screw and nut linear actuator incorporates a revolvable axially restrained ball screw with a ball nut thereon. A constant speed reversible drive revolves the screw to move the ball nut forwardly and rearwardly. External helical threads of the ... | 07/13/2004 |
| 6684728 | Rectilinear motion driving apparatus In a rectilinear motion driving apparatus, a shaft is fitted into a cylindrical body in a coaxial state, and a plurality of cylindrical coil rollers are interposed between the cylindrical body and the shaft by press fit so as to roll at a predetermined in... | 02/03/2004 |
| 6647593 | Hinge unit of mounting strap A hinge assembly has a tubular member having a longitudinal axis, a peripheral surface, and a slot formed in the peripheral surface. A button member extends into the tubular member to undergo sliding movement in an axial direction along the longitudinal a... | 11/18/2003 |
| 6448667 | Drive device A drive device comprising at least one drive unit having two mutually spaced apart pressing bodies. On the pressing bodies mutual facing pressing faces are provided diverging in a drive direction and having between them a stroke unit engaging the pressing... | 09/10/2002 |
| 6382038 | Transmission device A transmission mechanism for transmitting motion with a uniform speed transmission factor between first and second moveable elements comprises a set of cams adapted to rotate with the first moveable element about a revolving axis, and corresponding arrays... | 05/07/2002 |
| 6231468 | Desmodromic mechanism A desmodromic mechanism having transmission elements connected to and supported by an intermediate element and a primary and a secondary cam both in permanent contact with the transmission elements. The transmission elements, the intermediate element, the... | 05/15/2001 |
| 6184520 | Internal drum imaging system An imaging system including a one-piece aluminum internal drum casting having reduced weight and increased stiffness. The internal drum is mounted to the frame structure of the imaging system using a plurality of mounts positioned in a plane substantially... | 02/06/2001 |
| 6178836 | Positioning apparatus A positioning apparatus includes a machine bench 1, an external pressure linear bearing assembly 2 and a slide body 3 mounted on the machine bench 1 through the bearing assembly 2 for reciprocating movement relative to the machine bench. The positioning a... | 01/30/2001 |
| 6179093 | Power source activated handbrake release mechanism A power source activated handbrake release mechanism for automatically releasing a parking brake assembly for a railroad vehicle braking system is provided. The power source activated handbrake release mechanism includes a hydraulically or pneumatically a... | 01/30/2001 |
| 5996431 | Twist action friction drive A twist action roller friction drive comprises a rotating drive bar which drives in rotation a roller the axis of rotation of which is inclined relative to the axis of a rotationally fixed driven member with which the roller engages. The inclined roller c... | 12/07/1999 |
| 5946973 | Adjustment mechanism An adjustment mechanism includes two structural elements movable relative to one another, with a first structural element being formed with at least one row of substantially cycloidal teeth and with a second structural element including a drive element gu... | 09/07/1999 |
| 5899112 | Rotary/linear converter A rotary/linear converter comprising a reciprocator having a main axis (A) and being adapted for reciprocating movement in the direction of the main axis (A) and a rotator adapted for rotating movement about the main axis (A), the converter further includ... | 05/04/1999 |
| 5832776 | Leadscrew assembly with a no-grooved shaft A leadscrew assembly includes a cylindrical no-grooved shaft and a nut body similar to a conventional ballscrew and nut assembly of internal recirculating steel balls. This newly developed device according to the invention has outstanding features such as... | 11/10/1998 |
| 5799543 | Actuator structural body An actuator structural body is constructed of standardized columnar bodies connected for moving a workpiece. The Actuator structural body includes actuators shaped as columnar bodies and having T-shaped grooves defined in outer side surfaces thereof, colu... | 09/01/1998 |
| 5735173 | Pivotally linked position control drive system There is provided a position control drive system having first and second drive units linked together and travelling on parallel running rails. A passive unit riding on a third parallel running rail is pivotally linked to one of the drive units. The pivot... | 04/07/1998 |
| 5732592 | Pivotally linked position control drive system There is provided a position control drive system having first and second drive units linked together and travelling on parallel running rails. A passive unit riding on a third parallel running rail is pivotally linked to one of the drive units. The pivot... | 03/31/1998 |
| 5711184 | Gimballed drive block for vehicle seat adjuster A drive apparatus suitable for a power seat adjuster includes a rotatable lead screw disposed between an upper track movably mounted with respect to a stationary lower track. A drive block is rotatably mounted in the lower track for rotation about an axis... | 01/27/1998 |
| 5634390 | Rotary actuator Disclosed is a rotary actuator utilizing magnetic screws which are stably rotatable at a great torque with little torque variation. The rotary actuator comprising (a) a closed hollow cylinder, a piston sliding within the cylinder, and a rotary shaft which... | 06/03/1997 |
| 5598739 | Self-propelled linear motion drive apparatus A linear motion drive apparatus uses a friction drive wheel to drive a carriage along two rails. The drive shaft of the friction wheel is supported by the carriage, and has a rotor of a pancake motor and an inertia wheel non-rotatably attached thereto. Th... | 02/04/1997 |
| 5596903 | Rotary to linear actuator An actuator for transforming rotary motion into linear motion includes a cylindrical tube (10) that has a rigid helix shaped ribbon (12) journalled within it for rotating movement about a longitudinal axis. A knob (20) is attached to one end of the ribbon... | 01/28/1997 |
