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Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 8091873 | Coned disc spring A coned disc spring is arranged between a second component and a third component provided inside a tubular first component and movable in an axial direction. The coned disc spring comprises a body having a circular dish shape, teeth closely fitting into spline groov... | 01/10/2012 |
| 7475873 | Adjustable disc spring systems and methods An adjustable disc spring system includes at least one beveled disc spring axially aligned with the adjustable spacer. The adjustable spacer is compressible in a substantially axial direction relative to the at least one beveled disc spring. ... | 01/13/2009 |
| 7416362 | Multidirectionally compliant fastening system A fastening system has at least one peripheral spring and at least one peripherally expandable bushing, with the peripheral spring being at least partially enclosed within the peripherally expandable bushing. The peripheral spring and peripherally expandable bushing... | 08/26/2008 |
| 7338398 | Continuously variable transmission or clutch with ortho-planar compliant mechanism A continuously variable transmission or clutch device (10) includes at least one pulley (18) rotatable on a pivot (28) and having a pair of adjustable sheaves (30, 34) including a movable sheave (30) movable along the pivot. An ort... | 03/04/2008 |
| 7334784 | Corrugated spring with gradual progressive spring characteristic Axial corrugated spring comprising an annular spring band 11 which describes a corrugation line oscillating about a radial reference plane around the circumference, wherein the corrugation line has maxima 12, 13, 17 of different height and minima 14... | 02/26/2008 |
| 7305757 | Die ejector system using linear motor A die ejector system and method for removing a die from an adhesive surface. The system includes an ejector tool that is operative to move relative to the die whereby to push the die. The ejector tool may consist of a collet holder and an ejector pin array. A shaft ... | 12/11/2007 |
| 7284748 | Vibration damping mount and metal heat shield A vibration damping mount includes: a substantially annular damping member having an insertion hole, through which the bolt to be attached to an attachment boss is inserted, and externally surrounds the bolt; a grommet that includes a first retaining section for ret... | 10/23/2007 |
| 7273128 | Vibration proofing heat shield plate A vibration proofing heat shield plate fixed such as to cover at least a part of a heat source while forming a gap with respect to a surface of the heat source is provided with a vibration proofing heat shield plate main body portion, a collar member positioned at a... | 09/25/2007 |
| 7213677 | Motor-driven type power steering apparatus A motor-driven type power steering apparatus includes: a drive gear connected to an output shaft of a motor; a driven gear in mesh with the drive gear, which is connected to a steering unit; a bearing for supporting one end of the drive gear; a support portion in wh... | 05/08/2007 |
| 7195235 | Adjustable disc spring systems and methods An adjustable disc spring system includes at least one beveled disc spring axially aligned with the adjustable spacer. The adjustable spacer is compressible in a substantially axial direction relative to the at least one beveled disc spring. ... | 03/27/2007 |
| 7182325 | Compliant spacer A compliant spacer which, in use, is located between planar surfaces of two machine elements which are, in use, clamped together in an assembly, the spacer having a first generally planar face and a second oppositely facing generally planar face which is generally p... | 02/27/2007 |
| 7155903 | Buffer washer member and vibration and heat insulating board having the same A collar member including a main body part having a bolt hole for inserting a bolt and a flange part projecting horizontally to outside from the upper end of the main body part, a fitting member being a member for fitting with a vibration and heat insulating board m... | 01/02/2007 |
| 7135059 | Portable gas fractionalization system A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing that is divided into two compartments. One compartment is maintained at ... | 11/14/2006 |
| 7134648 | Interlocking disc spring assemblies and adjustable interlocking disc spring assemblies An interlocking disc spring assembly includes a plurality of alternating interlocking first conically-shaped disc springs and second conically-shaped disc springs. The first disc spring includes a first radial inner portion and a first radial outer portion. The firs... | 11/14/2006 |
| 7122055 | Artificial intervertebral disc having a spider spring force restoring element An artificial disc having a pair of opposing plates for seating against opposing vertebral bone surfaces, separated by a spider spring having a plurality of spring arms extending radially from a central hub. Various spring arm embodiments disclosed include spring ar... | 10/17/2006 |
| 7111833 | Dual disc spring A dual spring includes a pair of conically-shaped spring sections, which are joined at a common fulcrum. One of the spring sections is disposed radially inward from the fulcrum and the other of the spring sections is disposed radially outward from the fulcrum. Both ... | 09/26/2006 |
| 7070336 | Bearing positioning member for a spindle motor A conic bearing positioning member for a spindle motor includes a small diameter portion abutting against an inner race of a ball bearing of the spindle motor, a large diameter portion abutting against a rotor of the spindle motor, and at least one resilient connect... | 07/04/2006 |
| 7009310 | Autonomous power source An autonomous power source comprises a power harvester mounted on a movable structure. The power harvester includes a coil, a magnet, and a low-friction ferrofluidic bearing in contact with the magnet, arranged such that the magnet and coil move with respect to each... | 03/07/2006 |
| 6938739 | Brake head positioner A brake head positioning means for railcar braking systems. The brake head positioning means is comprised of an attachment means that is engageable with a railcar hanger arm for attaching such brake head positioning means to such railcar hanger arm. An extension mea... | 09/06/2005 |
| 6933629 | Active balance system and vibration balanced machine An active balance system is provided for counterbalancing vibrations of an axially reciprocating machine. The balance system includes a support member, a flexure assembly, a counterbalance mass, and a linear motor or an actuator. The support member is configured for... | 08/23/2005 |
| 6927506 | Low loss reciprocating electromagnetic device The present invention relates generally to reciprocating electromagnetic devices, and more particularly to a construction of a reciprocating electromagnetic device for reducing secondary losses in magnetically-permeable elements, but without compromising manufactura... | 08/09/2005 |
| 6918479 | Diaphragm spring for a friction clutch A diaphragm spring for a friction clutch includes a ring-like body area and a plurality of spring tongues arranged at the inner edge in a row in a circumferential direction and extending radially inward from the body area. Openings are formed between adjacent spring... | 07/19/2005 |
| 6916017 | Vibration damper device The invention relates to a damper device for damping vibration, the device comprising an energy converter device mounted on a baseplate for fixing to a structure, the energy converter device presenting a moving portion suspended by at least one spring. The moving po... | 07/12/2005 |
| 6846241 | One-piece coupling disk A coupling has an inner ring centered on an axis, an outer ring surrounding and generally coaxial with the inner ring, and an intermediate ring generally coaxial with and between the inner ring and outer ring. A pair of mainly angularly extending, flexible, and para... | 01/25/2005 |
| 6832675 | Flat disk spring assembly for automatic transmissions A disk spring assembly including a flat disk between two angled plates is used in an automatic transmission clutch application. The inner peripheral edge and the outer peripheral edge of the disk are deflected in opposite directions relative to each other by the ang... | 12/21/2004 |
| 6491189 | Dispensing valve for fluids A dispensing valve is disclosed which requires only a minimal force exerted on the valve actuator to maintain the valve in an open position. A resilient valve actuator having the characteristics of a nonlinear spring is provided at an actuator end of the ... | 12/10/2002 |
| 6412165 | Temperature responsive snap acting control assembly, device using such assembly and method for making A method of increasing the cycle life of a thermostatic disc element for use in a disc assembly used in thermostatic switches in which a weld slug is used to weld the disc element to the disc assembly thereby causing a heat affected zone of the disc eleme... | 07/02/2002 |
| 6382606 | Apparatus for positioning and cushioning a rotor of a fan motor An apparatus for positioning and cushioning the shaft of a fan motor. The apparatus is mounted within a shaft tube of the motor, which also receives the rotor shaft. The apparatus generally comprises a central portion, a peripheral portion and a connectin... | 05/07/2002 |
| 6254071 | Single-turn, round wire wave spring A round wire wave spring is formed from a single turn of round wire with a plurality of distinct waves defined therein, each of the waves having respective crest and trough portions that bear against opposing parallel surfaces of two work elements. The ro... | 07/03/2001 |
| 6186603 | Solenoid-supporting device for antilock brake system There is disclosed a solenoid-supporting device for an antilock brake system by which the vibration and noise created from solenoid valves are attenuated and the heat generated from the solenoid valves are effectively radiated. The solenoid-supporting dev... | 02/13/2001 |
| 6102382 | Belleville spring A Belleville spring comprising a thin strip of hardened spring steel coiled into a circular shaped body with a frusto-conical configuration having an inner diameter and an outer diameter, wherein the strip has two free ends and the coiled spring steel bod... | 08/15/2000 |
| 6056519 | Structure of vibrating compressor A vibrating compressor which may be employed in refrigerators is provided which includes an elastic mechanism designed to produce reaction against movement of a piston through a moving mechanism such as an electric motor to oscillate the piston to change ... | 05/02/2000 |
| 6050556 | Flexure bearing A flexure bearing unit in a linear drive compressor that supports a piston on a yoke for reciprocating movement within a housing includes a plurality of flat discs each provided with a central opening through which extends the piston and a plurality of ou... | 04/18/2000 |
| 5988613 | Wheel hub and brake disc arrangement for a vehicle wheel This invention relates to a wheel hub and brake disc arrangement for a vehicle wheel comprising a hub mounted via a bearing on a stub axle, a brake disc non-rotatably mounted on a carrier portion of the hub and a lock ring axially fixed at an end of the c... | 11/23/1999 |
| 5971377 | Plate springs The invention relates to a plate spring for dynamic use, the surface of which plate spring has undergone additional treatment, the surface being an electropolished surface which, after electropolishing, was subjected to compression blasting.... | 10/26/1999 |
| 5950995 | Ring laser gyroscope dither motor structure Disclosed is a dither spring structure and method of dither spring manufacture. The dither spring structure includes a central hub, an outer toroidal rim, a plurality of flexible reeds and a plurality of lobes. The reeds extend between the hub and the rim... | 09/14/1999 |
| 5918708 | Linearly decelerated powered slides and method An end of stroke linear decelerator apparatus for powered slides and method include a disc spring member (A) retained upon a guide rod by a retainer disc member (B) which is itself positioned for retention upon a guide rod adjacent a tooling member. An el... | 07/06/1999 |
| 5915677 | Circular plate spring A circular plate spring for use in a flexible pipe unit comprises an annular base portion constructed of a spring metal plate and a plurality of equally spaced resilient support portions integral with the annular base portion. The resilient support portio... | 06/29/1999 |
| 5897106 | Spring assembly and power transmission device using the same A spring assembly comprising an inner ring spring and an outer ring spring suitable for use in a safety device for an automobile power window is provided. The inner ring spring is formed by substantially circularly bending a strip spring so that both ends... | 04/27/1999 |
| 5895033 | Passive balance system for machines A passive balance system for counterbalancing vibrations of a machine is taught. The passive balance system includes a support member adapted to be fixedly carried by the machine and a flexure assembly carried by the support member. The flexure assembly i... | 04/20/1999 |