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| Number | Title | Issue Date |
| 7406890 | Steering controller of vehicle There is provided a steering control device for a vehicle of a new structure utilizing a ball screw mechanism for compacting the structure. The steering control device for a vehicle includes a first input shaft 1 connected to a handle, a second input shaft | 08/05/2008 |
| 7404468 | Elevator having second driving device An elevator includes an elevator car guided to move up and down relative to a supporting member, a screw shaft having an upper end attached to the supporting member, a driving nut rotatably supported in a coupling device and threaded with the screw shaft, one drivin... | 07/29/2008 |
| 7010993 | Universal power operator A universal power operator for shifting a movable barrier, such as a gate, and a circuit control system for operation thereof, is shown that allows the operator to be assembled for both a left-hinged or right-hinged movable barrier. The universal power operator incl... | 03/14/2006 |
| 7007566 | Actuator for a motor vehicle transmission An actuator for an automated transmission in a motor vehicle drive train has a central actuating shaft with a shift finger. Two sleeves are supported concentrically on the actuating shaft and can be driven in mutually independent rotation. Two grooves of opposite he... | 03/07/2006 |
| 6531798 | Linear/rotary motor and method of use In a preferred embodiment, a linear/rotary motor, including: first and second stator structures, having magnetically coupled thereto, respectively, first and second rotors; a first, externally threaded shaft fixedly attached to the first rotor and extendi... | 03/11/2003 |
| 6446660 | Valve assembly with multiple mode actuators A multiple mode valve assembly including valve actuators equipped with a combination of a shaft (4) and a spindle (5), coaxial and immobilized in an axial direction, but capable of rotating freely one with respect to the other, so that by means of the spi... | 09/10/2002 |
| 6415679 | Manual drive for positioning precision instruments A carriage adapted for carrying a laboratory instrument such as a pipette, electrode, or syringe is driven by a drive shaft in the form of a lead screw. The lead screw is selectively driven by a high speed drive wheel or by a low speed drive wheel. The dr... | 07/09/2002 |
| 6402444 | Type of parallel machine tool frame driven by slider and extensible strut This invention belongs to the manufacturing fields, specially relates to the structure design of a type of multi-function parallel machine tool driven by sliders and an extensible strut. It includes: two vertical (or one horizontal) guide ways, two active... | 06/11/2002 |
| 6352005 | Two screws double-stroke and screw differential-motion mechanism applied in standard mechanical interface A two screw double-stroke and screw differential-motion mechanism is applied in a standard mechanical interface. The two mechanisms are utilized for the correlation of transmission between screws and nuts and the screw differential-motion, so as to achiev... | 03/05/2002 |
| 6349606 | Reduced backlash translating system Apparatus embodying the invention includes first and second motors coupled to a carriage assembly for moving the carriage assembly back and forth between first and second end points. The first motor is for developing a force to drive the carriage in one d... | 02/26/2002 |
| 6155376 | Electric power steering assembly A steering assembly (10) for turning steerable wheels of a vehicle in response to rotation of a vehicle steering wheel (11) comprises a housing (30) and a member (32) which is movable axially within the housing to effect turning movement of the steerable ... | 12/05/2000 |
| 5497672 | Valve actuator A valve actuator comprises a stem extending through the actuator body for coupling to a valve such that axial movement of the stem opens and closes the valve. An outer shaft is arranged coaxially around, and in threaded engagement with the stem and is cou... | 03/12/1996 |
| 5400674 | Precision component positioner A precision component mounting and positioning apparatus comprises a frame member and a stage member suspended in the frame member. The frame member is adapted to be mounted on a support surface, and the stage member is adapted to receive a precision comp... | 03/28/1995 |
| 5165296 | Drive system Combining a plurality of two dimensional drive systems, a plurality of moving bodies can be independently moved by each of the two dimensional drive systems. Therefore, tools, robot-heads, work, etc. attached to the moving bodies can be moved independentl... | 11/24/1992 |
| 5079995 | Auxiliary remote-controlled release device for a positively acting mechanism The positively acting mechanism comprises a jack (2) with a rod (10) connected, at one of its ends, to a member whose actuation or retention it ensures, and, at its other end, to a thrust piece (16), on which a spring (18) comes to bear, in order to actua... | 01/14/1992 |
| 5046379 | Remote control apparatus Apparatus enabling a vehicle operator to remotely control the positioning of an object, such as a rear view mirror, pivotally mounted on the exterior of the vehicle. The apparatus includes a support member for the object to the positioned, a base member a... | 09/10/1991 |
| 5044620 | Apparatus for controlling the movement of trays of paper within an electrophotographic printer A paper handling apparatus 10 includes a plurality of paper receiving trays 12, 14, 16, 18 arranged vertically in close proximity to one another with a single paper feeding mechanism 20 provided to operate with all of the trays 12, 14, 16, 18. The paper f... | 09/03/1991 |
| 5004205 | High-range and resolution determinate mount and positioner The invention relates to a device for accurately positioning an object, such as a mirror 3 used to precisely aim a laser. The invention uses kinematic principles to hold the object. Here a 2-2-2 kinematic bipod system is employed. The invention uses three... | 04/02/1991 |
| 4962676 | Two axis transfer device A dual axis transfer mechanism comprising a pair of motors mounted onto a frame for independently rotating a pair of threaded shafts fixed in parallel relation. Each of the shafts is threaded into a carrier member connected to one end of a respective arm,... | 10/16/1990 |
| 4919382 | Multi-post yoke gimbal A multi-post gimbal mechanism for imparting motion to an object about a cer of rotation including a frame for supporting the object and a plurality of elongated posts coupled to the frame so as to permit orbital rotation of the frame about each of the co... | 04/24/1990 |
| 4858491 | Fail-free actuator assembly A mechanical actuator assembly which automatically releases the load controlled by the actuator when the actuator jams or otherwise fails. The actuator assembly has two kinetic energy sources, the outputs of which are normally summed for application to th... | 08/22/1989 |
| 4852479 | Postage meter having a worm gear drive This invention relates to a postage meter having a plurality of worm gears for adjusting the rotational position of postage print wheels. Each worm gear selectively moves a rack which is an engagement with a postage print wheel so as to provide rotational... | 08/01/1989 |
| 4819496 | Six degrees of freedom micromanipulator A six degree of freedom micromanipulator is disclosed which may be interposed between the fingers and the remainder of a robotic arm's structure for increasing the accuracy with which an arm's fingers may be positioned independently of the accuracy achiev... | 04/11/1989 |
| 4818175 | Expandable and contractible arms An expandable and contractable arm is constituted by a plurality of expandable and contractable units and connecting devices including universal joints for serially interconnecting the units into the arm. Each unit includes at least three expandable and c... | 04/04/1989 |
| 4779799 | Extendible nozzle An apparatus and method for continuous deployment and stowage of an extendible nozzle 12 of a rocket engine. One end of the heat-resistant sheet metal extendible nozzle 12 is fixedly attached to the lower end of the fixed nozzle 16 of the engine. In the s... | 10/25/1988 |
| 4712969 | Expandable and contractable arms An expandable and contractable arm is constituted by a plurality of expandable and contractable units and connecting devices including universal joints for serially interconnecting the units into the arm. Each unit includes at least three expandable and c... | 12/15/1987 |
| 4611501 | Remote control apparatus Apparatus enabling a vehicle operator to remotely control the positioning of an object, such as a rear view mirror, pivotally mounted on the exterior of the vehicle. The apparatus includes a support member for the object to be positioned, a base member at... | 09/16/1986 |
| 4589531 | Force applying system combining direct and spring-applied electric actuators A force-applying system is provided which combines a first direct electric actuator and a second, electrically controlled spring-applied actuator. The output force-applying member of the second actuator is operable through a force-transfer device one memb... | 05/20/1986 |
| 4452553 | Adjusting drive for the cutting edge of a tool A tool has independently radially adjustable cutting edges. Adjusting drives are provided for each cutting edge. Each adjusting drive is laterally spaced from, and axially overlaps, an adjacent adjusting drive. Each adjusting drive comprises a servomotor ... | 06/05/1984 |
| 4435116 | Robotic manipulator A robotic manipulator includes a main upright frame on which two extensible arms are journalled. One of the arms consists of a pair of laterally spaced lead screws connected together at their front and rear ends and the other consists of a lead screw or s... | 03/06/1984 |
| 4407625 | Multi-arm robot An automatic robot structure includes a fixed location support 10 which carries three locational arms 12, 14, 16, being hingedly connected to each other at their location of convergence to support a workhead 20, the driving motors 12a, 14a, and 16a each b... | 10/04/1983 |
| 4346728 | Automated dual mode valve actuator A dual mode valve actuator for automatically controlling the operation of a valve comprises a first reversible drive motor and a first planetary drive assembly which operate to move the valve stem axially during a first mode of operation. The actuator fur... | 08/31/1982 |
| 4270404 | X-Y Movement mechanism An X-Y movement mechanism, having right-handed and left-handed lead screws arranged in parallel with each other and drive sources for individually rotating the lead screws. Gears placed over nuts engage the lead screws, the gears having teeth coaxially wi... | 06/02/1981 |
| 4000661 | Two-speed mechanical quill feed and spindle drive mechanism for a machine tool A mechanical quill and spindle drive mechanism is disclosed wherein the quill is advanced by means of a screw formed about its periphery and cooperating with a driven ball nut. The quill is received within a housing bore and accurately guided for longitud... | 01/04/1977 |
| 3979971 | Differential drive A differential drive in which a reference sprocket is stationary for power drive and rotated for manual drive. In power drive, planet sprockets are orbited around the reference sprocket and rotated thereby. Drive planet sprockets on the same shafts drive ... | 09/14/1976 |
