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| Number | Title | Issue Date |
| 7416770 | Reinforcement ring A reinforcement ring, includes an annular coil spring with a core unit arranged inside to prevent deforming or twisting of the ring under load. The core unit is formed from a chain of interlinked elements, each having a male part and a female part; the male parts of... | 08/26/2008 |
| 7392977 | Vehicle spring A spring is disclosed having a selected number of total turns so that the directions of bending at ends of spring are different when the spring is contracted. In certain embodiments, the directions of bending for the ends are centered within a ±45° span and are lo... | 07/01/2008 |
| 7274964 | Use of an axial canted coil spring as an electrical contact to minimize resistivity variations under dynamic loads A medically implantable electrical connector includes a housing having a bore with an internal groove therein along with a pin sized for insertion into the housing bore. A film removing spring is disposed in the housing groove dynamic loading of the spring in the gr... | 09/25/2007 |
| 7213802 | Closed end type coiled spring with reduced initial deflection In a coil spring of closed-end type, the coil spring is characterized in that a coupler is fixedly mounted between: an outer peripheral surface of a terminal convolution of a coil element rod; and, an outer peripheral surface of a subsequent convolution subsequent t... | 05/08/2007 |
| 7210745 | Retainer for cutting bit A retainer for use in conjunction with a cutting bit wherein the cutting bit includes a shank that contains a recess therein. The retainer includes a generally cylindrical retainer body that has opposite ends and a central longitudinal axis. The retainer body has a ... | 05/01/2007 |
| 7110827 | Electrical connectors for medical lead having weld-less wiring connection Low resistivity, implantable electrical connectors and biomedical leads having the connectors mechanically coupled in a non-welded attachment to low resistivity wires to extend implanted device battery life. One electrical connector includes an electrically conducti... | 09/19/2006 |
| 7055812 | Canted coil springs various designs A coil spring includes a plurality of primary wire coils and a plurality of secondary wire coils, the primary and secondary coils being contiguous and differentiated from one another by a dimensional size in order to provide variable force and variable deflection. | 06/06/2006 |
| 6964412 | Ring shaped spring device A spring device comprising at least one annular support plate defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed about the at least one annular plate; and, a plurality of lock assemblies spaced about... | 11/15/2005 |
| 6915886 | Bridging clutch A bridging clutch is installed in a fluid medium-filled housing of a hydrodynamic coupling device located between a drive shaft and a transmission input shaft, the coupling device also containing a pump wheel and a turbine wheel. The bridging clutch is provided with... | 07/12/2005 |
| 6883790 | Coil spring with lateral bias The invention comprises a vehicle strut assembly. A strut has a first seat mounted to the strut and a second seat mounted to a vehicle body. A spring is mounted between the first seat and the second seat and is disposed around the strut. The spring has a compressed ... | 04/26/2005 |
| 6811149 | Fatigue and damage tolerant coil spring Predetermined non-uniform residual compressive stress distributions are induced in the spring wire of metallic coil springs. The residual compressive stress tends to reduce deleterious effects of both fatigue and coil binding impacts on spring performance. Transvers... | 11/02/2004 |
| 6776401 | Helical compression spring for use in a component of a fuel injection system A helical compression spring for use in a component of a fuel injection system, for example a component in the form of a fuel injection valve, which helical compression spring has a spring wire cross section that corresponds to a rectangle in which the corners are r... | 08/17/2004 |
| 6685590 | Composite power transmission belt A composite endless power transmission belt has a resilient plastic outer tubular member with a cylindrical bore, and an inner coil spring member extending wholly and slidably within the cylindrical bore and endlessly through the bore. Assembly is by inse... | 02/03/2004 |
| 6591957 | Pressure plate assembly and pretensioning spring for a pressure plate assembly A pressure plate assembly for a friction clutch includes a housing arrangement; a pressure plate held in the housing arrangement with freedom to rotate in the same direction as that in which a rotational axis extends; a stored-energy element; and a wear-c... | 07/15/2003 |
| 6460835 | Wheel suspension system and spring therefor Provided is a wheel suspension system (4) and a spring (6, 16, 26) therefor which can improve the ride comfort of the vehicle by reducing the sliding resistance between the cylinder and the piston of the tubular shock absorber (5) surrounded by the compre... | 10/08/2002 |
| 6385839 | Front door weather strip and manufacturing method therefor A method for manufacturing a front door weather strip includes continuously forming one extrusion molding section by extrusion molding corresponding to a region from an upper section of the front door to the rear side section of the front door and forming... | 05/14/2002 |
| 6375174 | Curved helical compression spring The present invention is directed to a curved helical compression spring having a plurality of coils along a curved coil axis. Each coil constituting the helical compression spring is increased and decreased in diameter, and the order of the increased dia... | 04/23/2002 |
| 6299150 | Composite spring mount shock absorber A spring element is made of a spring material and is formed into a generally elliptical shape. Two mounting pins extend in a normal direction through parallel relatively short segments of said elliptically-shaped spring element. The mounting pins are subs... | 10/09/2001 |
| 6245444 | Micromachined element and method of fabrication thereof A micromachined element mounted to a substrate, the element including a cantilever having a proximal portion attached to the substrate and a coilable distal portion terminating in a free distal end. The coilable distal portion, upon being heated, is capab... | 06/12/2001 |
| 6193225 | Non-linear non-circular coiled spring A non-linear non-circular coiled spring comprises a first coil portion of rectangular cross-section having a lateral length "a" and a longitudinal length "b", a second coil portion of rectangular in cross-section having a lateral length "b" and a longitud... | 02/27/2001 |
| 6092341 | Concrete cylindrical body with aseismic base isolation structure, method for manufacturing the same and laminated ring assembly therefor A concrete rod-like member having a seismic control structure which utilizes structural features of the rod-like structure efficiently without paying high cost and is capable of protecting a body potion of the rod-like member (including a building carried... | 07/25/2000 |
| 6003538 | Drain valve A drain valve providing a drain sleeve having a first end, a second end and a flow-chamber therebetween. The first end includes a first diameter being smaller than a second diameter of the second end. The first diameter and the second diameter cooperate t... | 12/21/1999 |
| 5909791 | Spring clutch A helical spring for a spring clutch including: (i) at least one right hand wound section (B); (ii) at least one left hand wound section (A); and (iii) tabs (2,3,4 & 5) projecting from both the right hand wound section and the left hand wound section.... | 06/08/1999 |
| 5795231 | Flexible shaft coupling A flexible shaft coupling has first and second hubs provided with outwardly extending flanges formed at ends of cylindrical parts of the hubs. Each may be connected to a transmission shaft. The flange of the first hub has a plurality of spring holes there... | 08/18/1998 |
| 5791638 | Coil spring with ends adapted for coupling without welding Spring apparatus is provided which includes coil springs having intermediate and end coils suitable for interconnection in order to form a continuous spring which maintains a constant load-deflection characteristic over all intermediate coils unaffected b... | 08/11/1998 |
| 5709371 | Coil spring with ends adapted for coupling without welding Spring apparatus is provided which includes coil springs having intermediate and end coils suitable for interconnection in order to form a continuous spring which maintains a constant load-deflection characteristic over all intermediate coils unaffected b... | 01/20/1998 |
| 5642875 | Coil spring with flattened convolutions A coil spring wherein the external surfaces of the convolutions have cylindrical major portions and flats which abut the neighboring convolutions when a spring is compressed flat under load. This reduces the likelihood of radial displacement of one or mor... | 07/01/1997 |
| 5615870 | Coil spring with ends adapted for coupling without welding Spring apparatus is provided which includes coil springs having intermediate and end coils suitable for interconnection in order to form a continuous spring which maintains a constant load-deflection characteristic over all intermediate coils unaffected b... | 04/01/1997 |
| 5558314 | Fluid-like support device A support device having a plurality of support units, each comprising a plurality of flexible, substantially vertical support columns, with the bottoms of the support columns attached at equidistant intervals to a base member and the tops of the support c... | 09/24/1996 |
| 5503375 | Coil spring with ends adapted for coupling without welding Spring apparatus is provided which includes coil springs having intermediate and end coils suitable for interconnection in order to form a continuous spring which maintains a constant load-deflection characteristic over all intermediate coils unaffected b... | 04/02/1996 |
| 5474309 | Gasket assembly for sealing electromagnetic waves A gasket assembly for sealing electromagnetic waves includes a canted-coil spring for blocking the propagation of electromagnetic waves therepast. The canted-coil spring includes a plurality of individual coils canted along a centerline thereof. A groove ... | 12/12/1995 |
| 5468383 | Fluid filter holder This invention is a device for holding a flexible fine mesh fluid filter 30 in a container 12 while a fluid, such as paint, is being drawn from the container by spraying equipment 8. More specifically, the invention comprises a ring of flexible material 2... | 11/21/1995 |
| 5464198 | Torsional vibration damper having helical torsion springs A torsional vibration damper (1) has an input assembly (2,6,7) and a reactor plate (25) with coil springs (40) circumferentially spaced about a center axis of the damper to absorb vibration between the input assembly and reactor plate. Each coil spring (4... | 11/07/1995 |
| 5358224 | Isolator mount assembly An isolator mount assembly is disclosed which includes a support structure, a device and an isolator, disposed between the support structure and the device for reducing transmission of mechanical vibration therebetween. The isolator includes a plurality o... | 10/25/1994 |
| 5203546 | Window spring damping apparatus A window noise attenuation device that keeps window balance springs from ratting against the inside of the spring covers when the balance spring is caused to vibrate. The apparatus is designed to be slipped over the window balance spring during the constr... | 04/20/1993 |
| 5181668 | Apparatus for running a wire through a pipe An apparatus for inserting a coil of wire into a pipe which includes a rotatable drum for taking up a coil of spring wire, a guide for guiding the coil drawn from the rotatable drum, a push-pull device for applying external forces to the coil for feeding ... | 01/26/1993 |
| 5160122 | Coil spring with an elastomer having a hollow coil cross section A spring assembly includes a plurality of coils interconnected with one another in a spaced-apart relationship for causing the spring assembly to exert a force in a loading direction approximately normal to a tangent to a centerline of the plurality of co... | 11/03/1992 |
| 5139243 | Axial canted coil springs in sinusoidal form A length of canted coil spring is disclosed which is suitable for forming a stable, when unsupported, circular axially loadable spring. The length of spring includes a plurality of elliptical coils canted along a coil centerline with the coil centerline f... | 08/18/1992 |
| 5134244 | Electromagnetic shielding seal for rotary/reciprocating shaft An electromagnetic shield for a rotary/reciprocating shaft includes a garter-type resilient coil spring blocking the propagation of electromagnetic waves therepast with the coil spring including a plurality of individual coils for causing a blockage of el... | 07/28/1992 |
| 5108078 | Canted-coil spring loaded while in a cavity A canted coil spring assembly includes a plurality of coils having a major and a minor axis and canted along a centerline defined by an intersection of the major and minor axis. A trailing portion of each coil is defined by a back angle which determines t... | 04/28/1992 |
