Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8176805 | Spindle bearing arrangement for a longitudinal seat adjusting gear The invention relates to a spindle bearing arrangement for a longitudinal seat adjusting gear, which has a housing which can be attached by an attaching device on a vehicle-side component or on a seat component, whereby a spindle opening for guiding a spindle along ... | 05/15/2012 |
| 8001861 | High force electro-mechanical actuator An actuator is disclosed that utilizes a fixed screw attached at one end to an actuator housing. A rotatable tube concentric with the fixed screw rotationally drives a nut having threads engaging the threaded shaft, such that the nut moves axially relative to the tu... | 08/23/2011 |
| 7779711 | Drive force transmission device, mechanical device, and liquid ejection apparatus A drive force transmission device that causes a plurality of driven members to operate in different operational areas for different operational purposes includes a lead screw and at least one movable member. The lead screw has a threaded portion formed on an outer c... | 08/24/2010 |
| 7739927 | Adjusting device for positioning a load An adjusting device for positioning a load comprises a spindle-type lifting gear, first and second bearing brackets with bearing pins that engage in a respective bearing bush of the gear unit housing for the swivelable bearing support of the gear unit housing of the... | 06/22/2010 |
| 7434486 | Lead screw bearing A bearing assembly includes a housing having a substantially round throughbore, a first side, and a second side. A sleeve bearing is situated within the throughbore. A first spring washer is situated adjacent the first side of the housing and the sleeve bearing, and... | 10/14/2008 |
| 7350434 | Ball screw device The invention relates to a ball screw device in which a screw shaft and a nut member are threadedly engaged with each other through a number of balls. In such a ball screw device, an inner surface of a cover plate contacting an end surface of a nut main body is prov... | 04/01/2008 |
| 7325851 | Power seat slide apparatus for a vehicle A power seat slide apparatus includes: a housing fixedly mounted on the first rail and possessing a reverse U-shaped cross section projecting upwardly with an upper wall, which forms an upper surface of the reverse U-shaped cross section, and first and second sidewa... | 02/05/2008 |
| 7284458 | Adjusting element device A device to be used with an adjusting element comprising a rod piston (3) displaceable with the aid of a motor (4) in a piston tube (2). The motor (4) is rotatably arranged at the adjusting element (1) through a worm gear (6... | 10/23/2007 |
| 7258029 | Device for connecting together a roller screw and roller nut assembly to a stationary and moving member A device for connecting together a vertically disposed roller screw and roller nut assembly to a stationary member and moving member includes a bearing housing attached onto a fixed end of the roller screw. The bearing house includes at least one bearing and two bea... | 08/21/2007 |
| 7252278 | Drive nut and screw for seat adjuster A vehicle seat linkage assembly includes a rod. The linkage has a first link with an aperture and a second link adjacent but spaced from the first link and having a slot. Additionally, a drive nut is adjacent the rod. The drive nut has a body portion, one end, anoth... | 08/07/2007 |
| 7232096 | Positive lock seat device An improved seating apparatus for an aircraft comprising: a seat assembly and a positive lock device for securing the seat assembly to the aircraft. In the preferred embodiment, the positive lock device comprises: an adjustable force applicator for selectively apply... | 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 |
| 7192223 | Servo motor die tapping unit A servo motor driven tapping unit for in die installation has a tap holder pitch adapter assembly mounted for removal while the unit is in the die to facilitate tap and pitch adapter replacement. In one embodiment, the tap holder pitch adapter assembly extends trans... | 03/20/2007 |
| 7152830 | Switch machine improvements A control mechanism for moving switch points on a railroad track, having a drive screw driven by a motor, a traveling block moving along the drive screw to position the switch points, an end stop on the drive screw for limiting movement of the traveling block, a han... | 12/26/2006 |
| 7135794 | Spring support having a height-adjustable spring plate Spring support having at least one axially moveable spring plate, an actuator with a rotor producing a rotational movement relative to its stator, which is converted into an axial movement of the spring plate, and a torsional locking element which prevents torsional... | 11/14/2006 |
| 7127791 | Split nut for use with a rod having dual directional screw threads about a common diameter A docking apparatus for printed circuit boards including a cassette housing defining a housing cavity for containing a printed circuit board (PCB) and a linkage mechanism associated with the cassette housing. The linkage mechanism includes a linkage arm pivotally co... | 10/31/2006 |
| 7104584 | Seat slide device for vehicle A seat slide device for a vehicle being a width of the seat slide device in the horizontal direction is smaller than the width of the seat slide device in the vertical direction includes a guide rail extending in the back/forth direction of a vehicle seat, including... | 09/12/2006 |
| 7093510 | Self-centering device for linear drive units A linear unit (1) comprising a profiled rail (2) along which a carriage (3) is arranged for sliding motion backwards and forwards by means of a reversible screw (4) which actuates the carriage and on either side of the carriage passes thr... | 08/22/2006 |
| 7073406 | Screw and nut transmission and cable attached to the screw A cable or another longilinear transmission component is set into the center of an axial cavity of a screw belonging to a screw and nut movement conversion unit. By means of this arrangement, bending moments exerted on the screw between the point of attachment of th... | 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 |
| 7066045 | Assembly comprising a spindle and a moving nut An assembly comprises a spindle and a moving nut disposed on the spindle. The spindle and the moving nut are made of plastics. At least one of the two components spindle and moving nut being resilient such that the moving nut is prevented from getting stuck on the s... | 06/27/2006 |
| 7055284 | Window regulator having a driving threaded shaft whose distance from the window is variable A window regulator includes a threaded shaft (20) arranged at the concave side of the window (16) and extending in the direction of sliding of the same window, a nut screw (24) engaging the threaded shaft (20), which is movable up and dow... | 06/06/2006 |
| 7021001 | Anti-pinch power window system An anti-pinch power window system is comprised of a hub, a motor, a threaded rod, a base, a spring, a frame, a bracket, a threaded drive nut, a reversing switch and an electronic circuit. The motor rotates the hub. The rod is slidably attached to the hub. The base i... | 04/04/2006 |
| 7017439 | Adjusting device An adjustment device includes a lifting mechanism having a lifting arm articulated to a component of a stationary supporting structure for moving the component between two end positions. A rotary drive mechanism has an output member which is linked to the lifting ar... | 03/28/2006 |
| 6973915 | Device for controlling an engine The invention relates to a device for controlling an engine, in particular of an aircraft. The device has at least one throttle and a regulating device for additionally controlling the throttle automatically. A displacement of the throttle is transmitted permanently... | 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 |
| 6968752 | Drive shaft moving device A drive shaft moving apparatus of the present invention includes a drive shaft 1 with a screw groove 3 formed in spiral shape, and a nut 5 fitted around the drive shaft 1 and being rotatably supported on a main flame 15 so as to al... | 11/29/2005 |
| 6968753 | Vibration-dampening base for ball-type lead screw of load port transfer system A vibration-dampening base for a ball-type lead screw of a load port transfer system is disclosed. A load port transfer system includes a vertical arm drive motor assembly, a ball-type lead screw, and a vibration-dampening base connecting the vertical arm drive moto... | 11/29/2005 |
| 6959620 | Device for balancing of a radial threaded spindle eccentricity of a spindle drive A device for balancing eccentricity of a spindle drive (1) to avoid blocking of the spindle drive during lifting movement of a platform (2), in which the platform is mounted on several axiparallel spindles (G1; G2; G3; G4) b... | 11/01/2005 |
| 6927513 | Electromechanical screw drive actuator An electromechanical linear actuator assembly having in-line axial load support of its screw drive shaft is provided. The bearing support structure provides a single in-line ball bearing accommodated within a hardened end fitting and a screw pivot recess in the axia... | 08/09/2005 |
| 6904652 | Universal machine tool A universal machine tool having a workpiece slide movable on a machine bed by means of a motor for the workpieces to be machined and a machining unit which is movable about a plurality of axes by means of a motor. The machining unit includes a motor-driven work spin... | 06/14/2005 |
| 6880417 | Electric actuator The rotary motion of a ball screw shaft is converted into the rectilinear motion by a ball spline nut provided integrally with displacement members by the aid of an attachment section. Involute splines are engraved on outer circumferential surfaces of spline pistons... | 04/19/2005 |
| 6857333 | Rotational stop A rotational stop that includes: a lead screw having a longitudinal axis, a motor integrally mounted to the lead screw, wherein the motor provides rotation to the lead screw; a slide mounted to a support structure to provide movement relative to the lead screw longi... | 02/22/2005 |
| 6776061 | Shock-absorbing screw module An apparatus for guiding a threaded spindle in rotation, which spindle is used to ensure the displacement in translation of a mobile element connected to a threaded female piece engaged on this threaded spindle, which threaded spindle has a certain length and is con... | 08/17/2004 |
| 6772653 | Linear actuator The linear actuator has a motor housing (1) of tubular stainless steel with an end cap (2), a motor (4) and epicyclic gearbox (6). The actuator has a telescopic arm (11), having an outer tube (12) and an inner tube (13 | 08/10/2004 |
| 6708577 | Ball screw shaft with increased vibration frequency and improved vibration dissipation A ball screw shaft, with increased vibration frequency and improved vibration dissipation, having a longitudinal cylindrical internal cavity, closed at its ends by means of inserted terminals or plugs, has in said cavity a filling of granular material with low densi... | 03/23/2004 |
| 6672179 | Ball screw shaft, provided with vibration controlling means A ball screw shaft, having a longitudinal cylindrical internal cavity, closed at its ends by inserted terminals or plugs, housing vibration controlling members in the form of a pair of plied cables fastened tensioned to the inserted terminals or plugs. On... | 01/06/2004 |
| 6655225 | Motor-driven actuator A load of a workpiece, which is applied to a slider (68), is supported by guide blocks (78) and guide rails (30a, 30b) provided for a frame (12). On the other hand, pin members (72), which constitute a floating mechanism (64) provided under the slider (68... | 12/02/2003 |
| 6619147 | Linear actuator A linear actuator comprises a motor, a rotation-to-linear motion conversion mechanism having a screw and a nut, a support block supporting an end of the screw, and an actuator-side support member with a swing support mechanism (e.g., a swing axis or beari... | 09/16/2003 |
| 6564660 | Ball screw feed mechanism A casing of a ball bearing which holds a ball screw can be displaced on a supporting stand against urging force of a compression coil spring and a tensile coil spring. If vibration of the ball screw is transmitted to the casing, the casing attempts to mov... | 05/20/2003 |
