"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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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 |
| 7316593 | Electrical connector with embedded canted coil spring A female electrical connector and method of using same includes a body having a bore therethrough for receiving electrical plug and a helical groove formed in the bore. A canted coil spring is disposed in the helical groove and protrudes therefrom for providing both... | 01/08/2008 |
| 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 |
| 6032710 | Elastic element and shock-absorbing devices, particularly vehicle tires, constructed therewith An elastic element useful for constructing shock-absorbing devices, is elongated and continuously curved into an endless double-loop formation including an outer loop merging with an inner loop located within and offset from the plane of the outer loop. A... | 03/07/2000 |
| 5599027 | 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 ... | 02/04/1997 |
| 5542682 | Slant coil spring and seal A coil spring including a plurality of coils connected to one another in series. Each of the coils has a front portion and a rear portion. The front portion of at least one of the coils includes a first section disposed at a first predetermined angle rela... | 08/06/1996 |
| 5344161 | Spring for centering two annular bodies relative to each other A spring centering device for centering two annular bodies relative to one another. The device including a spring (22) with a central spine (20) and multiple fingers (24) extending from the spine (20). Alternatively, the device includes a spring with a ce... | 09/06/1994 |
| 5213342 | Lip seal with radially compressible support band A seal assembly includes an annular elastomeric seal element, and a resilient annular reinforcing element nested within the elastomeric element to exert a radial biasing force that increases the effective sealing force even in the presence of shrinkage, w... | 05/25/1993 |
| 5203849 | Canted coil spring in length filled with an elastomer A spring assembly includes a plurality of coils interconnected with one another in a spaced-apart relationship for causing the spring assembly to exert as force in a loading direction approximately normal to a tangent to a centerline of the plurality of c... | 04/20/1993 |
| 5195758 | Three-piece oil control ring assembly A three-piece oil control ring includes a pair of radially split, generally flat annular rails which are supported in an axially spaced relationship by an annular spacer-expander. The expander defines alternating, axially symmetrical and generally U-shape... | 03/23/1993 |
| 5193820 | Three-piece type oil ring assembly A three-piece type oil ring assembly adapted to be fitted in an oil ring groove of a piston disposed within a cylinder comprises a spacer expander in the form of a gapped annulus made of section steel having substantially H-shaped radial cross section, an... | 03/16/1993 |
| 5161806 | Spring-loaded, hollow, elliptical ring seal A canted-coil spring-loaded ring seal assembly including a plurality of coils having a major and a minor axis and canted along a center line defined by an intersection of the major and minor axes along with an elastic material, disposed around and between... | 11/10/1992 |
| 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 |
| 5139276 | Canted coil spring radially loaded while in a cavity A canted coil spring assembly includes a plurality of coils having major and minor axes and canted along a center line defined by an intersection of the major and minor axes. The coils are interconnected in a manner forming a radial gartertype canted coil... | 08/18/1992 |
| 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 |
| 5087055 | Steel oil ring assembly A steel oil ring assembly having an upper rail, a lower rail and an annular space-expander embraced by the rails and having radially extending or axially extending corrugations. The spacer is split at one circumferential location to form abutting end port... | 02/11/1992 |
| 5054794 | Clamping band for gaskets and the like and expansion means therefor An expansion band having a spanning member whose free end is provided with a locking tab for cooperation with a locking surface having a plurality of selectable locking slots. A guide channel secured to the band cooperates with the band to define a guidew... | 10/08/1991 |
| 4974821 | Canted-coil spring with major axis radial loading A canted-coil spring 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. The coils are interconnected in a manner forming a garter-type resilient canted-coil s... | 12/04/1990 |
| 4934666 | Coiled spring electromagnetic shielding gasket An electromagnetic shielding gasket is provided which includes a coil spring for blocking the propagation of electromagnetic waves therepast. The coil spring includes a plurality of individual coils which provide shielding of electromagnetic waves indepen... | 06/19/1990 |
| 4907788 | Dual concentric canted-coil spring apparatus Annular coil spring apparatus is provided which includes a first annular spring with a plurality of coils canted along a centerline with a trailing portion of each coil and a leading portion of each coil defined by a back angle and front angle, respective... | 03/13/1990 |
| 4893795 | Radially loaded canted coiled spring with turn angle A radially resilient canted coiled springs includes a plurality of coils canted along a centerline thereof with each coil having a trailing portion and a leading portion. The disposition of the trailing portion is defined by a back angle between the trail... | 01/16/1990 |
| 4830344 | Canted-coil spring with turn angle and seal A garter-type axially resilient coil spring includes a plurality of coils canted along a centerline thereof with each coil having a trailing portion and a leading portion. The disposition of the trailing portion is defined by a back angle between the trai... | 05/16/1989 |
| 4826144 | Inside back angle canted coil spring A garter-type axially resilient coil spring includes a plurality of coils canted along a centerline thereof with each coil having a trailing portion and leading portion. The disposition of the trailing portion is defined by a back angle between the traili... | 05/02/1989 |
| 4809989 | Coil spring supported sealing element and device An improved sealing device, which when positioned inside a flow conductor and operated, compresses and expands an improved resilient element into fluid sealing engagement between the sealing device and the inside of the flow conductor. The sealing device ... | 03/07/1989 |
| 4799694 | Piston ring and method of making the same A piston ring assembly has an expander spring of sheet material bent into an annular configuration. The expander spring has a circumferential series of radially oriented tongues and each tongue has an approximately axially bent leg. The tongues and legs a... | 01/24/1989 |
| 4798391 | Three-piece oil-ring with a slot A three-piece oil-ring comprises a pair of side rails and an expander disposed between the side rails. The expander extends in a circumferential direction and has waves in a radial direction. At both sides of radially inner portions of the expander side r... | 01/17/1989 |
| 4796898 | Oil scraper piston ring with elliptical oil vent holes Oil scraping piston ring of profiled steel having punched-in oil vent holes. To keep at a minimum the bulging at the holes developed during coiling, the oil vent holes are given an elliptical or rhombic outline.... | 01/10/1989 |
| 4789164 | Sealing device A duct seal (1) especially for sealing about four cables, contains a spring (8) which when operated radially expands that part of the duct seal that is to seal to a wall etc (2). The cables are sealed by heat-shrink outlets (7) of the duct seal (1). The s... | 12/06/1988 |
| 4762329 | Spacer expander for piston rings A spacer expander adapted for use in an oil ring assembly of an internal combustion engine comprising a split annular shaped spring body containing a plurality of lugs extending axially from the body to bear on a single rail or double side rails, the body... | 08/09/1988 |
| 4722535 | Oil ring structure having reduced rigidity An oil-ring comprising a pair of side rails and an expander disposed between the side rails. The expander extends in a circumferential direction and has waves in a radial direction. At both sides of radially inner portions of the expander, side rail engag... | 02/02/1988 |
| 4695064 | Piston ring assembly and expander A piston-and-ring assembly includes a generally cylindrical piston, a circumferential groove provided in the piston and having a bottom and two radial flanks forming opposite sides of the groove; and an expander spring ring accommodated in the groove and ... | 09/22/1987 |
| 4659093 | Three-piece oil-ring with an inward protrusion A three-piece oil-ring with a pair of side rails and an expander disposed between the side rails. The expander extends in a circumferential direction and has waves in a radial direction. Flat portions are located at radially inner portions of the expander... | 04/21/1987 |
| 4655462 | Canted coiled spring and seal A coiled spring includes a plurality of coils with each of the coils being interconnected with one another in a spaced-apart relationship and disposed in a preselected acute angle with the centerline of the coil spring for causing the coil spring to exert... | 04/07/1987 |
| 4647072 | Repair sleeve for piping The present invention relates to a repair sleeve comprising a flexible, hose-like main part (1) and a spiral spring (2), which, when the sleeve is mounted in a pipe line, pretensions the hose-like main part (1) into sealing engagement against the inner wa... | 03/03/1987 |
| 4629198 | Oil scraper piston ring assembly An oil scraper piston ring assembly includes an oil scraper ring received in a piston groove and being in circular contact with a first side wall of the groove; and a spring ring received in the groove between the oil scraper ring and a second side wall o... | 12/16/1986 |
| 4606101 | Method of manufacturing a radially corrugated expander-spacer for a piston oil ring assembly Method of manufacturing a radially corrugated expander-spacer for a piston oil ring assembly, having inner and outer crowns alternately and successively laid, which can prevent its both terminal ends from nesting together during assembling of the piston o... | 08/19/1986 |
| 4602888 | Flexible metallic joint The invention relates to a flexible metal joint in which two envelopes surrounding a metal core. The joint has, along its periphery which does not have an opening, at least two bosses, at which the envelope is not in contact with the joint core. A relativ... | 07/29/1986 |
| 4585237 | Piston and oil control ring therefor A piston having a ring groove therearound has a three part oil control ring in the groove. The ring includes an axially and radially corrugated expander and two flat annular rails retained by the sides of the groove. The radial wall thickness of the rails... | 04/29/1986 |
| 4572520 | Multi-component steel piston ring with rotation preventing rivet A piston ring for control of the oil on a cylinder wall that is comprised of thin upper and lower ring members disposed to contact the cylinder wall and an intermediate corrugated expander-spacer. The upper ring member has a headed rivet with the upper he... | 02/25/1986 |