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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 8156838 | Driving device A driving device for a hatch in a motor vehicle includes a first fastening element which can be connected to a stationary structural component, a second fastening element which can be connected to a movable structural component, a spindle drive including a threaded ... | 04/17/2012 |
| 7500412 | Speed nut and drive gear assembly An assembly which includes a rod having an outer peripheral surface. There is also a nut having an axial aperture with an inner peripheral surface moveably engageable with the peripheral surface on the outer peripheral surface of the rod and having a peripheral gear... | 03/10/2009 |
| 7421922 | Device for linearly moving a useful mass A device for linearly moving a useful mass is described. Typically, when a large useful mass is moved, relatively large forces are transferred by a spindle or a toothed rack to the corresponding machine or machine frame. These forces can be compensated by moving a c... | 09/09/2008 |
| 7412910 | Mechanism for transforming a rotational movement into a linear movement A mechanism for transforming a rotational movement into a linear movement, comprising a non-deformable nut, that is prevented from rotating but not from axially moving, a radially deformable tubular screw, having freedom of rotation but not of axial movement and hav... | 08/19/2008 |
| 7353837 | Pressure reducer with adjustable flow restrictor A pressure reducer has a housing comprising an inlet and an outlet in which a flow-around body is arranged in a flow channel connecting inlet and outlet. A flow restrictor is adjustably mounted relative to the flow-around body for varying a flow rate and is movably ... | 04/08/2008 |
| 7246537 | Wire-wound leadscrew assembly with a preloaded leadscrew wire nut, and its fabrication A leadscrew assembly includes a leadscrew having a leadscrew thread wire helically wound about a leadscrew axis in a plurality of cylindrical leadscrew-thread turns and having a leadscrew-thread pitch. A leadscrew wire nut assembly includes a nut-assembly wire helic... | 07/24/2007 |
| 7223093 | Coupling structure between injection driving screw shaft and electric motor in injection device A screw shaft for driving an injection screw driving body in a motor-driven injection device is coupled to a motor shaft of an electric motor in engagement of splines. A spline for the motor shaft engaging with a spline disposed at the outer periphery at a shaft end... | 05/29/2007 |
| 7219579 | Apparatus and method for actuating control surfaces An apparatus for actuating a control surface includes a first spur gear, a first drive assembly engaged with the first spur gear, a second spur gear, a second drive assembly engaged with the second spur gear, and a gear assembly capable of being coupled with the con... | 05/22/2007 |
| 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 |
| 7159484 | Linear motion device A linear motion device includes an inner member and an outer member cooperatively forming a ball circulating path therebetween, a plurality of balls rollably disposed in the ball circulating path, and a plurality of retaining pieces interposed between the balls, whe... | 01/09/2007 |
| 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 |
| 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 |
| 7086303 | Lead screw for linear actuator, and method of manufacturing the same A lead screw for a linear actuator, which has a metal pipe having a helical projection resin-molded on its outer surface, and a ball for a pivot bearing welded to a distal end of the metal pipe, is disclosed together with a method of manufacturing the same. With the... | 08/08/2006 |
| 7044016 | Ball screw A ball screw having: a screw shaft having a spiral ball rolling groove; a ball nut having a ball rolling groove corresponding to the ball rolling groove; and a large number of balls interposed between the ball rolling grooves so as to roll freely; wherein the ball r... | 05/16/2006 |
| 7040056 | Gear shaft assembly A gear shaft assembly for actuating linear movement of an object, including a lower channel assembly, which includes: (a) a threaded rod; (b) a first gear adjacent an end of the threaded rod; (c) a second gear engageable with the first gear and attached to the end o... | 05/09/2006 |
| 7024957 | Lead screw for linear actuator, and method of manufacturing the same A lead screw for a linear actuator, which has a metal pipe having a helical projection resin-molded on its outer surface, and a ball for a pivot bearing welded to a distal end of the metal pipe, is disclosed together with a method of manufacturing the same. With the... | 04/11/2006 |
| 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 |
| 6993992 | Ball screw A ball screw which is little subject to deterioration of operating characteristics and occurrence of wear, torque change, noise, vibration, etc. during operation due to stagnation or competition of balls. The ball screw includes a screw shaft having a helical thread... | 02/07/2006 |
| 6991573 | Steering actuator of independent steer-by-wire system A steering actuator of an independent type steer-by-wire system comprises a housing fixed to a vehicle body and an ultrasonic motor. The ultrasonic motor has a stator internally fixed to the housing and a rotator rotating relative to the stator when an electric curr... | 01/31/2006 |
| 6938531 | Reciprocal-movement power tool A reciprocal-movement power tool includes a movable blade reciprocally movably provided on a main body. A receiving plate that supports an angle iron to be cut is supported on the main body at a position in front of the movable blade. The movable blade is fixed on a... | 09/06/2005 |
| 6931955 | Seal for ball screw and ball screw utilizing same A seal for a ball screw is provided with a foreign material removing member having a hole of a shape corresponding to a sectional shape of a ball screw shaft taken perpendicularly to an axis thereof to prevent a foreign material from invading from an outside of a ba... | 08/23/2005 |
| 6932204 | Power transmission device for a four-wheel drive vehicle A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a second rotary member. The torque transfer mechanism includes an actuato... | 08/23/2005 |
| 6898994 | Ball nut and screw assembly A ballscrew and ball nut assembly with complimentary threads providing a ball raceway having a ball re-circulation path within the screwshaft of the ballscrew provided on the peripheral surface of a screwshaft insert and including end passages which communicate with... | 05/31/2005 |
| 6880676 | Feed screw device A ring-like lubricant supply device 6 is fitted into a recess 4 of a nut member 2. The lubricant supply device 6 contains a lubricant and is formed in an outer peripheral surface with notches 7. Tubular members 8 each having... | 04/19/2005 |
| 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 |
| 6795483 | Optical component driving device in laser apparatus In a laser apparatus, precision of wavelength control, wavelength stability and speed of wavelength control are increased, and an optical component is prevented from being polluted. A ball screw is used a feed screw of a feed screw mechanism that changes the orienta... | 09/21/2004 |
| 6778052 | Contactless magnetic spiral gear and variants thereof The invention relates to the precision machine manufacturing and can be used as a gear for creating an extra-precise linear drive in the machine-tool industry, metrology, optics and electronic industry. A contactless magnetic screw gear (CMSG) comprises a scr... | 08/17/2004 |
| 6776063 | Ball screw In the ball screw, a ball circulation tube 20 is formed to have such a shape that the movable amount of balls 15 in a first direction (X) intersecting at right angles to the axis of the tube 20 is larger than the movable amount of the balls 1... | 08/17/2004 |
| 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 |
| 6752245 | Feed screw device A ring-like lubricant supply device 6 is fitted into a recess 4 of a nut member 2. The lubricant supply device 6 contains a lubricant and is formed in an outer peripheral surface with notches 7. Tubular members 8 each having... | 06/22/2004 |
| 6732600 | Rotary bearing with lubricant passage arrangement, and threaded drive with rotary bearing-supported threaded nut A rotary bearing has a first lubricant passage having one end which opens in an inner peripheral surface of a radially outer bearing part and another end which is connectable with a lubricant supply, at least one second lubricant passage which leads from an outer pe... | 05/11/2004 |
| 6698305 | Linear module A linear module having a housing with a holder being secured against rotation and having an element for axial adjustment relative to the housing. The holder is surrounded by a sleeve proximate the housing, with the sleeve being provided with an external t... | 03/02/2004 |
| 6672540 | Actuator for aircraft stabilizers with a failure responsive lock control mechanism A horizontal stabilizer actuator for a winged aircraft which is selectively pivotally controlled by a pilot or operator at a remote location in the aircraft and which has a primary load path responsive to the selective control by the pilot or operator for... | 01/06/2004 |
| 6668673 | Ball screw with ball retainer cage A ball screw with ball retainer cage equipped between the screw bolt and the nut body is disclosed. The adjacent balls can move without squeezing each other and well protected in the retainer cage from dropping off therefrom when the retainer cage is disi... | 12/30/2003 |
| 6631797 | No-back device A no-back device for an actuator having a screw shaft extending along an axis and a brake element fixed for rotation with the shaft and extending laterally of the axis, the no-back device comprising a rotary ratchet member and a rotary friction member mou... | 10/14/2003 |
| 6601676 | Self-lubricating ballscrew A self-lubricating ballscrew has a screwshaft and a ballnut surrounding the screwshaft and provided with a re-circulating path for a plurality of balls which roll between the ballnut and the screwshaft when the ballscrew is in use. Lubrication means are i... | 08/05/2003 |
| 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 |
| 6450295 | Feed screw device A ring-like lubricant supply device 6 is fitted into a recess 4 of a nut member 2. The lubricant supply device 6 contains a lubricant and is formed in an outer peripheral surface with notches 7. Tubular members 8 each having an outer diameter larger than ... | 09/17/2002 |
| 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 |
| 6418809 | Drive spindle The invention relates to a drive spindle, in particular to drive garage doors, having recesses or projections disposed on the circumferential surface which can be connected to corresponding projections or recesses of a guide element for the purpose of the... | 07/16/2002 |
