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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7320549 | Self-lubricating bushings, bearings and bearing assemblies Self-lubricating bushings and bearings that include lubricant inserts that have central axes that are aligned substantially parallel to the central axes of their respective bushings or bearings. The lubricant inserts present a side edge that is substantially flush w... | 01/22/2008 |
| RE39948 | Seal bearing assembly for use in a solid waste comminutor A solid waste material comminuting system having a an electric motor for providing rotary motion, a pair of cutter stacks with cutter elements of one stack interleaved with cutter elements of the other, and gear means to transmit the rotary motion of the electric m... | 12/25/2007 |
| 7290935 | Bearing assembly with bearing sleeve having end bearing members A ceramic bearing assembly includes a shaft (20), and a bearing sleeve (10) rotatably receiving the shaft. The bearing sleeve includes an inside wall. First and second bearing blocks (120, 140) are formed at the inside wall at first and second e... | 11/06/2007 |
| 7249581 | System with camshaft and camshaft receptacle The invention relates to a system, comprising a camshaft with at least two bearing points, a two-part camshaft receptacle which has, in a lower part, at least two bearing saddles and, in an upper part, at least two bearing covers corresponding to the bearing saddles... | 07/31/2007 |
| 7234869 | Sink roll bearing having ceramic elements for supporting the roll's shaft A bearing for supporting a shaft submerged in molten zinc, has a bearing surface comprising a steel cylindrical liner having slots retaining ceramic shaft-engaging bearing elements. ... | 06/26/2007 |
| 7207722 | Combined bearing A combined bearing includes a main body (10) and a mating member (30). The main body is generally cylindrical, with an axial hole (16) and a cutout (18) defined therein. The cutout is generally semi-cylindrical and spans from an outer sur... | 04/24/2007 |
| 7160622 | Oil repelling agent An oil repelling agent to coat a dynamic pressure device, such as a fluid dynamic pressure bearing device, includes a UV coloring agent, a fluorine-based polymer and a solvent. In an exemplary embodiment of the invention, the concentration of the UV coloring agent c... | 01/09/2007 |
| 7144932 | Low-friction, high-dispersion synthetic resin composition containing fine particles of RB ceramic or CRB ceramic and a method for its preparation A synthetic resin composition includes at least one synthetic resin and RBC or CRBC particles dispersed in the resin. A method for preparing a synthetic resin composition includes mixing RBC or CRBC particles with a synthetic resin at a temperature near the melting ... | 12/05/2006 |
| 7112157 | Gear unit for the drive of a rotation tube A gear unit for the drive of a rotating tube is provided with a drive shaft and a power distributing gear unit stage that is configured as a helical gear unit with an intermediate shaft having mounted thereon two helical pinions. A load-summing gear unit stage with ... | 09/26/2006 |
| 6997614 | Elastic rubber bearing An elastic rubber bearing is provided with an intermediate tube, namely, a bush bearing with a reinforcing insert arranged in the elastomeric bearing body. The design of the bearing includes a pretension, which is distributed as uniformly as possible both in relatio... | 02/14/2006 |
| 6957594 | Starter having helical ventilation groove in tube In a starter, a cylindrical tube is slidablly engaged with an outer peripheral surface of an output shaft through a bearing in an axial direction. A front end of the tube, which supports a pinion, is closed to define an enclosed space between the front end of the tu... | 10/25/2005 |
| 6948784 | Track pin bushing having a metallurgically bonded coating A track pin bushing for cooperating with a track pin in an endless track has a tubular body with a metallurgically bonded wear-resistant coating and a method for forming such a coated track pin bushing is taught herein. The tubular body, formed of an iron-based allo... | 09/27/2005 |
| 6935618 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 08/30/2005 |
| 6729766 | Retention of ceramic bearings The invention relates to a refractory bearing and in particular to a bearing for use in contact with molten metal, such as zinc and aluminum. The bearing includes a housing with a working surface and at least one wear-resistant insert secured to the working surface.... | 05/04/2004 |
| 6676296 | Radial bearing and transmission using the same The present invention relates to a bearing used in a transmission. The radial bearing for supporting a rotating shaft of the transmission has a substantial elliptical-cylinder-shaped inner circumferential surface. At least two lubricating resin members ar... | 01/13/2004 |
| 6655843 | Bearing cap structure for engine A core member has a core member side journal portion and a core member bolt hole on both sides of the core member side journal portion and is provided in a separation state from a surface of a casting mold through a cast-off pin including a step portion i... | 12/02/2003 |
| 6467966 | Radial bearing with a sliding bearing-type construction The invention relates to a radial bearing which can be used for bearing problems in which an angular displacement occurs during operation by virtue of the elastically flexible shaping of a bearing sleeve on which an elastically flexible bearing element wi... | 10/22/2002 |
| 6393699 | Method for forming a bearing A bearing assembly comprises a pair of relatively rotatable bearing components, where at least a portion of one of the bearing components is journalled to at least a portion of the other one of the bearing components. One of the first bearing component in... | 05/28/2002 |
| 6109792 | Combination stack tightener and journal bearing assembly A combination stack tightener and journal bearing for a shear shredding or material processing apparatus includes a retaining ring fixedly mounted to an end of the shaft; a pressure disk slidingly positioned on the shaft between the retaining ring and the... | 08/29/2000 |
| 6000852 | Journal bearing assembly A bearing assembly comprises a pair of relatively rotatable bearing components, where at least a portion of one of the bearing components is journalled to at least a portion of the other one of the bearing components. One of the first bearing component in... | 12/14/1999 |
| 5817397 | Sliding bearing The surface of a lining member 3 is formed with a multiplicity of uneven surfaces 3a. The entire surface of the lining member 3 is coated by an intermediate layer 4 which comprises Ni. The surface of the intermediate layer 4 is additionally coated by an o... | 10/06/1998 |
| 5796349 | System and method for monitoring wear of an axial bearing The axial bearing includes a first ring and a second ring. During operation of the axial bearing, the first ring rotates with respect to the second ring. Over time the foregoing rotation produces wear of the first ring; consequently, exposes layers of the... | 08/18/1998 |
| 5716143 | Spherical plain bearing A spherical plain bearing is provided having improved wear resistance under heavy axial and radial loads of a rotating shaft. The bearing includes a pillow block having a concave inner surface, a split cylindrical protective sleeve for mating with and det... | 02/10/1998 |
| 5664890 | Bearing arrangement having a polyimide graphite-fiber reinforced composite embedded therein A bearing arrangement comprised of a substrate having a plurality of self-lubricating polyimide graphite-fiber reinforced composite bearing members secured to provide a bearing surface. The bearing arrangement being well suited for use under harsh conditi... | 09/09/1997 |
| 5599112 | Axial bearing having a variable coefficient of friction for monitoring wear The axial bearing includes a first ring and a second ring. During operation of the axial bearing, the first ring rotates with respect to the second ring. Over time the foregoing rotation produces wear of the first ring; consequently, exposes layers of the... | 02/04/1997 |
| 5549394 | Bearing arrangement having a polyimide graphite-fiber reinforced composite embedded therein A bearing arrangement comprised of a substrate having a plurality of self-lubricating polyimide graphite-fiber reinforced composite bearing members secured to provide a bearing surface. The bearing arrangement being well suited for use under harsh conditi... | 08/27/1996 |
| 5520987 | Rolling/sliding member A rolling/sliding member for use in conditions of rolling and/or sliding contact with a mating member opposed to the rolling/sliding member under the following conditions; (a) the rolling/sliding member are formed with a large number of fine protrusions a... | 05/28/1996 |
| 5478020 | Seal bearing assembly for use in a solid waste comminutor A solid waste material comminuting system having a electric motor for providing rotary motion, a pair of cutter stacks with cutter elements of one stack interleaved with cutter elements of the other, and gear means to transmit the rotary motion of the ele... | 12/26/1995 |
| 5441349 | Slide bearing A slide bearing comprising: an outer cylinder in which two ends of a cylindrical section made of thin metal plate are respectively provided with a flange and an annular side wall section formed by bending inwardly and perpendicularly; and either a plurali... | 08/15/1995 |
| 5433531 | Engine bearing surface treatment A dispersion of hard, wear-resistant particles such as aluminum oxide is embedded within a shaft-engaging surface of a bearing such that the service life of a shaft and bearing assembly is extended. The relatively hard aluminum oxide particles exert a pol... | 07/18/1995 |
| 5267798 | Bearing assembly Strips of polytetrafluoroethylene (i.e., Teflon) are interposed, equally spaced apart, between the journal and sleeve, and journal and collar of a bearing assembly to provide lubrication thereat. The Teflon strips are fibrous and porous, and compressibly ... | 12/07/1993 |
| 5000586 | Sliding bearing A sliding bearing of the type comprising a backing layer; an intermediate layer provided with internal peripheral grooved portions crosswise the bearing length and longitudinally spaced from each other; optionally, a diffusion or bonding layer on the groo... | 03/19/1991 |
| 4949821 | Automatic transmission An automatic transmission for use in an automotive vehicle is comprised of an oil pump assembly adapted to discharge hydraulic oil as operating oil for the automatic transmission. The oil pump assembly is disposed around a stator shaft connected to the st... | 08/21/1990 |
| 4934467 | Drill bit wear resistant surface for elastomeric seal An improved drill bit seal arrangement, including a seal ring having a boronized outer annular surface which is fabricated separate and apart from the journal bearing structure of the drill bit arm. The seal ring boronized surface is polished to define a ... | 06/19/1990 |
| 4815356 | Breech lock mechanism for automatic firearms A breech lock mechanism for automatic firearms, in particular, a rigidly closing breech lock mechanism with loosely located support flaps in its breech head which will slide along an associated and complementary formed latching and unlatching component in... | 03/28/1989 |
| 4789251 | Cooling networks for PCD bearing surfaces Polycrystalline diamond wear surfaces in bearing structures are maintained at temperatures that prevent thermal degradation in spite of exceptionally high loads. This temperature control is accomplished by segmenting the diamond wear surface to provide in... | 12/06/1988 |
| 4759644 | Gas bearing body The invention relates to a journal gas bearing body which is formed with a cylindrical bore to rotatably support therein the journal part of a shaft and gas introducing holes radially opening into the cylindrical bore. The bearing body is made of a metal,... | 07/26/1988 |
| 4756631 | Diamond bearing for high-speed drag bits A bearing for a rotary cone for a rock bit is disclosed. The bearing consists of a multiplicity of small synthetic diamond particles nested within a matrix base, each with an exposed flattened surface to form the bearing. The diamond particles are strateg... | 07/12/1988 |
| 4720199 | Bearing structure for downhole motors A unitary sleeve mounts both thrust and radial bearings, the radial bearing being fabricated of macro-crystalline tungsten carbide powder and cemented tungsten carbide cobalt chips in a recessed area on an elongated extension and the thrust bearing compri... | 01/19/1988 |
| 4693617 | Plain journal bearing A slider bearing assembly has a bearing housing having a bore centered on an axis and having an inside bore surface and a uniform composition plain bearing liner in and coaxial with the bore and having an outer surface delimited by two axially oppositely ... | 09/15/1987 |
