Patents Examined by Brandon C. Stallman
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Patent number: 5988884Abstract: A guide rail arrangement for connecting two relatively displaceable components comprising a lower rail (1) and an upper rail (2) supported thereon by rolling elements (3), said lower and upper rails being configured as rectilinear sheet metal profiles, one of the lower and upper rails partially surrounding the other of the lower and upper rails, whereby hollow spaces are formed for receiving the rolling elements (3) and further slide elements (4) arranged between the rails is characterized in that, in a central region of the arrangement, the two rails (1, 2) define a receiving space (5) for a spring and/or damping element, which receiving space (5) is adjoined by regions comprising the rolling elements and the slide elements (4) and extending in end regions of the rails (1, 2) which results in the creation of an arrangement with uniform load distribution on its components so that a deformation of the components and a pressing-in of the rolling elements is reliably prevented.Type: GrantFiled: December 3, 1997Date of Patent: November 23, 1999Assignee: INA Walzlager Schaeffler KGInventors: Frank Scheib, Klaus Baalmann, Jorg Gwosdek, Ralf Moseberg, Thomas Winkler, Barbara Fess, Thomas Kurz, Rainer Kleber, Joecbim Ritter, Rolf Fleischhauer
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Patent number: 5983743Abstract: An actuator assembly for moving a device between a retracted and extended position in which a ball screw is connected to the device and is in threaded engagement with a ball nut so that, upon rotation of the ball nut, the ball screw moves between a retracted and an extended position. A gear train is connectable between a power source and the ball nut for transferring torque therebetween to rotate the nut member, and a control system responds to a relatively low power input for selectively connecting the drive assembly between the power source and the ball nut member.Type: GrantFiled: April 3, 1997Date of Patent: November 16, 1999Assignee: Dresser Industries, Inc.Inventors: Ronald W. McGregor, Ronn G. Madrid, Roy Mackenzie, Stanley A. Weise
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Patent number: 5983738Abstract: An airtight rotating driving device with eccentricity, especially for volumetric pump, the device including a bent shaft (1) presenting an input axis (5) and an output axis (10) parallel and off-centered in such a way as to carry out an orbital circular movement, and an airtight and non-rotatable sleeve (14) surrounding the shaft and comprising two metallic bellows (19, 20) linked by a guiding ring (21) mounted longitudinally in a sliding relation on the sloped intermediate section (17) of the shaft. The device converts a rotating movement into an orbital circular movement with an absolute airtightness.Type: GrantFiled: November 18, 1997Date of Patent: November 16, 1999Assignee: MouvexInventor: Guy Delaisse
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Patent number: 5983749Abstract: A dual position foot pedal includes a base and pedal arrangement which enables access by one of the user's toe and a user's sole for manipulation of the pedal. Switching between the two pedal positions is achieved by rotating the pedal. In this manner, the foot pedal combines the functionality of two common surgical foot pedal types in one pedal.Type: GrantFiled: September 12, 1997Date of Patent: November 16, 1999Assignee: Allergan Sales, Inc.Inventor: James L. Holtorf
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Patent number: 5979255Abstract: An intermittent rotary motion mechanism for use in an automotive vehicle includes an electromagnetic device, a member moving in response to selective energization of the electromagnetic device, an intermittent motion mechanism and a window wiper shaft coupled to the intermittent motion mechanism. The intermittent motion mechanism moves the wiper shaft in a first wiping positional range when the electromagnetic device moves the member a first predetermined amount. The intermittent motion mechanism further moves the wiper shaft to a park position when the electromagnetic device moves the member a second predetermined amount in a first direction. The wiper shaft is mechanically deterred from movement from the park position concurrently with the electromagnetic device further moving the member past the second predetermined amount in the first direction.Type: GrantFiled: April 9, 1997Date of Patent: November 9, 1999Assignee: Lear Automotive Dearborn, Inc.Inventors: Shuxian Huang, Petre Dan
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Patent number: 5975767Abstract: A rolling bearing unit has a hub which is formed with a housing for partly forming a constant velocity joint, wherein a connecting tube 20 of a magnetic metal plate is provided to have a base half portion 21 fitted onto the opening portion of the housing and a tip half portion 22 projecting from the housing, and a number of through holes 26 are formed in an axial portion of the base half portion and arranged circumferentially to function as a tone wheel.Type: GrantFiled: September 16, 1998Date of Patent: November 2, 1999Assignee: NSK Ltd.Inventors: Yasumasa Mizukoshi, Yoshiaki Onose, Naoki Mitsue, Hideo Ouchi
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Patent number: 5971615Abstract: A hemispheric bearing apparatus for preventing deformation of a hemisphere occurring when a shaft is push-fitted into a shaft inserting hole formed at the center of a hemisphere in a hemispheric bearing which supports a thrust load and a radial load at the same time, the apparatus including a pair of hemispheres fitted into a fixing shaft to face each other around a spacer, and having a first section disposed opposite to the spacer and a second section contacted with the spacer; a first deformation preventing portion formed in the first section at a predetermined distance around the fixing shaft to prevent deformation of the hemispheres; and a second deformation preventing mechanism formed in the second section at a predetermined distance around the fixing shaft to prevent deformation of the hemispheres.Type: GrantFiled: January 22, 1998Date of Patent: October 26, 1999Assignee: Samsung Electronics Co., Ltd.Inventors: Jin-seung Choi, Chang-woo Lee
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Patent number: 5966997Abstract: A device for transmitting linear motion for adjustment of a wing element (4) is provided with one input part (23) and one output part (26) wherein between the input part (23) and the output part (26) an uncoupling mechanism is provided which, above a preset force (release force) makes relative motion between the input part and the output part possible. One or more prestressed springs (42), which can absorb energy during relative motion, upon unloading, restores the input and output parts to an initial position. A translation mechanism converts the relative motion between the input part (23) and the output part (26). The converted motion acts upon the spring (42) whereby a force-path characteristic line of the device, corresponding to the translation mechanism, can be obtained. The translation mechanism consists of a crankshaft (52) with cam discs (50A, 50B) driven by a connecting rod (46) which act upon a piston (48) longitudinally movable within the housing (30) and prestressed by springs (42).Type: GrantFiled: November 3, 1997Date of Patent: October 19, 1999Assignee: ZF Luftfahrttechnik GmbHInventors: Christian Halm, Manfred Fischer, Bernard Hunold
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Patent number: 5964318Abstract: A system for measuring the quality and level of lubricant in an engine lubricant reservoir includes a valve for selectively directing a portion of lubricant from the engine through a first conduit for return to the engine or through a second conduit for removal from the engine. Within the first conduit are one or more sensors for sensing the condition of the lubricant passing through the first conduit. The sensors are monitored by a controller which is operative selectively to cause the valve to block the flow of lubricant through the first conduit and direct a portion of the lubricant through the second conduit based on the monitored conditions of the lubricant. Also, the controller directs a supply of fresh lubricant to the engine in response to the lubricant in the engine lubricant reservoir dropping below a predetermined level.Type: GrantFiled: January 12, 1998Date of Patent: October 12, 1999Assignee: The Lubrizol CorporationInventors: Frederick P. Boyle, Klaus-Werner Damm, Gary A. Garvin, Gary L. Orloff
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Patent number: 5943915Abstract: The present invention relates to a two-dimensional motion producing apparatus for converting rotation of an input shaft to a two-dimensional motion in an X-direction of an output member and in an Y-direction orthogonal thereto.Type: GrantFiled: November 6, 1997Date of Patent: August 31, 1999Assignee: Sankyo Manufacturing Co., Inc.Inventor: Heizaburo Kato
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Patent number: 5941128Abstract: A machine tool includes a base, a traveling plate to which a tool is to be attached, plural rods, and plural drive mechanisms fixed to the base. Each of the drive mechanisms is provided with a slide table movable on the drive mechanism and with an actuator for moving the slide table. One end of each of the rods is swingably connected to the corresponding slide tables through a first joint and the other end of each of the rods is swingably connected to the traveling plate through a second joint. Each of the first and the second joints include two rolling elements, each of which is rotatably supported by a rolling bearing to swing the rod.As the rolling elements are supported by the rolling bearings without a clearance, the positioning accuracy of the machine tool is enhanced.Type: GrantFiled: October 15, 1997Date of Patent: August 24, 1999Assignee: Toyoda Kokoi Kabushiki KaishaInventors: Taizo Toyama, Motoshi Suzuki
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Patent number: 5938345Abstract: A bush bearing includes at least two sections with different outer diameters. The section with a larger outer diameter has an inner diameter defined by the bore of the bush bearing. The inner diameter is greater than that of the section with a smaller outer diameter so as to minimize the friction between the bearing and the motor rotor spindle.Type: GrantFiled: January 14, 1998Date of Patent: August 17, 1999Inventor: Ching-Lin Wu
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Patent number: 5937706Abstract: A carriage adapted to be slidably mounted on a track comprises a main body having a pair of retaining elements adapted for lateral movement therein. Each turning element is biased inwardly to allow the carriage to be mounted on and removed from a channel formed in the track. A pivotally mounted knife element is adapted to engage each retaining element thereby moving the retaining element outwardly to a position in which they engage the side edges of the channel formed in the track, thereby securing the carriage to the track.Type: GrantFiled: July 7, 1997Date of Patent: August 17, 1999Assignee: NMI Safety Systems LimitedInventor: Michael Barry Sawdy
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Patent number: 5934432Abstract: An actuator system (31) for controlling engagement and disengagement of an automated vehicular master clutch (C). The system includes an electric motor (86) controlled actuator (62) for precision positioning of the clutch and a pneumatically controlled override actuator (54) for rapidly disengaging the clutch, regardless of positioning of the electric motor-controlled actuator. Both the electric motor-controlled actuator and the pneumatically controlled override actuator are operated in accordance with command output signals from a system control unit (31).Type: GrantFiled: August 25, 1997Date of Patent: August 10, 1999Assignee: Eaton CorporationInventor: Ian Richard Joseph Bates
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Patent number: 5934142Abstract: A two-piece continuous mesh synchronized reverse idler system is provided for use with a manual transmission. The system is provided for use with a vehicle transmission having an input shaft with a reverse driven gear, and an intermediate shaft with a reverse driven gear. The reverse idler system includes a reverse idler shaft which supports an upstream idler gear and a downstream idler gear. The upstream idler gear is rotatably mounted on the reverse idler shaft for engaging the reverse drive gear on the input shaft. The downstream idler gear is rotatably mounted on the reverse idler shaft for engaging the reverse driven gear on the intermediate shaft. A clutching device is provided for synchronizing and engaging the upstream reverse idler gear and the downstream reverse idler gear.Type: GrantFiled: November 17, 1997Date of Patent: August 10, 1999Assignee: Chrysler CorporationInventor: Brian L. Wagoner
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Patent number: 5934157Abstract: A flexible meshing type gear device 1 has an internal gear 2 having internal teeth 21, a flexible external gear 3 having external teeth 31, and a wave generator 4. Only the internal teeth 21 of the internal gear 2 are formed thereon with a metal plated coating 21a. Further, a tooth profile 211 of the internal teeth 21 of the rigid internal gear 2 before metal plating is modified from a desired tooth profile of the internal teeth so that a tooth profile 212 defined by a surface of the internal teeth 21 after metal plating corresponds substantially to the desired tooth profile of the internal teeth for assuring a proper meshing between the internal and external gears. Accordingly, a flexible meshing type gear device having a high wear resistance can be realized while maintaining a high fatigue strength of the external gear and a proper meshing between gears.Type: GrantFiled: November 14, 1997Date of Patent: August 10, 1999Assignee: Harmonic Drive Systems, Inc.Inventors: Masaru Kobayashi, Yoshihide Kiyosawa
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Patent number: 5931056Abstract: A fan actuator device with an adjustable rotary angle having an upper connector rotated by a motor gear, a toggle mechanism formed by an upper connecting rod, a lower connecting rod and a coupling connector, a swinging arm connected to the coupling connector and a fan shelf and an adjusting handle. The upper and lower connecting rods are pivoted to an upper connector and the adjusting handle. Turning the adjusting handle changes the included angle between the upper and lower connecting rods, also changing the turning radius, to vary the swinging range of the fan.Type: GrantFiled: October 17, 1997Date of Patent: August 3, 1999Inventor: Garry Tsaur
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Patent number: 5924324Abstract: In accordance with the present invention, the preferred embodiment of a movable gear drive windshield wiper apparatus employs an axial motion mechanism and a bidirectional driving mechanism. Rotation of a rotatable member in a first direction causes a transverse movement of the rotatable member along a ball screw shaft of the axial motion mechanism to a first position where it rotates in a given plane. Rotation of the rotatable member in the opposite direction causes the rotatable member to move down the ball screw shaft to a second position where it rotates in a second given plane. In another aspect of the present invention, the bi-directional driving mechanism rotationally drives a driven member such that the driven member is oscillated by continuously rotating the rotatable member in the first direction.Type: GrantFiled: October 9, 1997Date of Patent: July 20, 1999Assignee: UT Automotive Dearborn, Inc.Inventors: Daniel D. Kilker, Scott Morris
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Patent number: 5921135Abstract: A method and a circuit configuration for gear detection in a motor vehicle transmission detect a signal corresponding to an input rpm and a signal corresponding to an output rpm of the transmission. A quotient of the output rpm to the input rpm is formed. A gear that has been engaged is detected from this quotient and from a known gear ratio of the transmission. A variation over time of the ratio of the output rpm to the input rpm of the transmission is ascertained and compared with a limit value. If the limit value is exceeded, a determination is made that no gear has been engaged.Type: GrantFiled: July 31, 1997Date of Patent: July 13, 1999Assignee: Siemens AktiengesellschaftInventors: Arno Friedrich, Klaus Wenzlawski
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Patent number: 5921144Abstract: A brake pedal assembly for applying the brakes of an automotive vehicle comprises an elongated brake lever pivotally mounted on a bracket at a point adjacent the upper end of the brake lever permitting swinging movement of the lower end of the lever forwardly to a brake-applying position and rearwardly to a brake-release position. The brake lever has a head on the upper end and a pedal on the lower end. A brake lever displacement limiter comprises a tie-bar mounted on the bracket to provide an abutment positioned to be struck by the head of the lever to block rearward movement of the lower end of the lever beyond the brake-release position.Type: GrantFiled: September 11, 1997Date of Patent: July 13, 1999Assignee: Chrysler CorporationInventors: John M. Williams, Jr., Scott A. Esposito, Paul H. Stoloff, Rahul V. Auradkar, Richard A. Kleinhoffer