William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8157656 | Bearing assembly The present invention provides a bearing cup assembly for a universal joint comprising a cylindrically elongated bearing cup, the bearing cup having a cylindrical sidewall, a closed bottom wall, and an open top. The bearing cup is positioned over, and rotates freely... | 04/17/2012 |
| 8105172 | Bearing assembly having debris removal system A bearing assembly includes a rotatable hub defining a load transfer surface. A porous bearing surrounds and is movable relative to the hub. The bearing includes bearing surfaces extending radially toward the hub. A grease is disposed between the porous bearing and ... | 01/31/2012 |
| 7892099 | Universal joint arrangement A universal joint arrangement with a journal cross, supported by bearings in two joint yokes offset to one another by 90°. Each joint yoke comprises a flange and two bearings. Each bearing has an axial bearing mold element that is supported by a connection element ... | 02/22/2011 |
| 7850529 | Trunnion support and bearing particularly for universal joint A combination of an annular spacer, and a thrust washer in the opening of the spacer. The spacer and the thrust washer being connected by sacrificial tabs dimensioned to be stronger toward one of the spacer and thrust washer so that upon breaking of the sacrificial ... | 12/14/2010 |
| 7846031 | Universal joint socket with axial guiding A universal joint having a spider provided with four staggered journals. A socket having an axial bearing in addition to a radial bearing is associated with each journal. The axial bearing has rolling bodies that are guided between a front surface of the journal and... | 12/07/2010 |
| 7736238 | Retained needle thrust washer A trunnion of a universal joint cross-shaped member supports a bearing cup, thrust washer, and needle bearing assembly. The thrust washer includes a first surface that faces the bearing cup and a second surface that faces an end face of the trunnion. A first lip ext... | 06/15/2010 |
| 7641560 | Take-up in drum actuation drive trains A linkage coupling a drum foot pedal rotor to a drum beater apparatus comprising in combination an elongated link, a first universal joint coupling the rotor to the link, and a second universal joint coupling the link to the apparatus, at least one of the universal ... | 01/05/2010 |
| 7448951 | Universal joint A universal joint includes a first joint yoke and a second joint yoke having respective base portions. Each of the joint yokes has two yoke arms that are attached on the respective base portions. Each of the yoke arms ends in a free end and has an inner face facing ... | 11/11/2008 |
| 7396283 | Needle roller retainer for tripot joint A ball assembly (118) for a tripot-style joint includes an annular outer ball (124) having a central axis (L) extending therethrough and a depression (182) formed therein. A plurality of needle rollers (122) is positioned along an interio... | 07/08/2008 |
| 7371180 | Double pivoting tilt joint The invention provides a double pivot tilt joint for connecting two shafts for synchronous rotation and for tilting movement relative to one another. The double pivot tilt joint includes a first shaft member and a first pivot pin extending at least partially through... | 05/13/2008 |
| 7371179 | Tripod constant-velocity universal joint A tripod constant-velocity universal joint has three guide grooves extending axially along an outer cup, trunnions projecting from a spider inserted into the outer cup, and rollers rotatably mounted on the trunnions through rolling elements. The rollers rotate and s... | 05/13/2008 |
| 7357720 | Cross joint A cross joint comprises yokes each formed with a bearing hole and a spider shaft rotatably fitted into the bearing hole through a rolling bearing. The spider shaft is formed with a contact portion with the rolling bearing, the contact portion having its outside diam... | 04/15/2008 |
| 7338381 | Spider and universal joint arrangement A spider, for a universal joint for prop shafts suitable for the transmission of torque, comprising pins arranged around a mid-point and extending from the base body in pairs about a common axis, whereby the axes cross at the center of the spider at a right angle. E... | 03/04/2008 |
| 7338378 | Retainer for universal joint bearing cups A journal cross includes a trunnion having a lubricant passageways formed therethrough. A retainer is disposed in the lubricant passageway and includes a body portion and a lip portion. The body portion of the retainer is retained within the lubricant passageway in ... | 03/04/2008 |
| 7275295 | True vehicle running center shaft assembly system A system for assembling a vehicle drive shaft is provided with the steps of installing yokes on respective ends of a drive shaft tube, each yoke having first and second bores therethrough for receiving respective distal ends of respective spider arrangements, and ro... | 10/02/2007 |
| 7258029 | Device for connecting together a roller screw and roller nut assembly to a stationary and moving member A device for connecting together a vertically disposed roller screw and roller nut assembly to a stationary member and moving member includes a bearing housing attached onto a fixed end of the roller screw. The bearing house includes at least one bearing and two bea... | 08/21/2007 |
| 7189162 | Universal joint with thrust washer A universal joint for interconnecting a pair of rotating shafts includes a pair of bifurcated yokes interconnected by a cruciform. The cruciform includes four orthogonal trunnions each including a lubricant passage. A thrust washer engages an inner surface of the lu... | 03/13/2007 |
| 7178984 | Bearing arrangement for supporting a trunnion of an universal joint A bearing arrangement for supporting a universal joint trunnion in an outer cup includes a radial bearing having cylindrical rolling elements disposed between the trunnion and the outer cup, and a resistance member made of a material to allow elastic deformation and... | 02/20/2007 |
| 7160192 | Cross shaft and cross shaft joint Across shaft has four trunnions externally provided with roller bearings in a plurality of rows. Each of the trunnions is formed with a recess at its distal end face. A bottom region of the recess is formed in a spherical shape. An inner diameter of an opening regio... | 01/09/2007 |
| 7125339 | Tripod joint A ball body is guided in a partially cylindrical hole into which a guide ring is inserted to secure it axially and to guide the pivoting movement. The tripod joint is suitable for the displaceable and pivotable driving connection of two shaft ends, in particular in ... | 10/24/2006 |
| 7118484 | Cross joint A cross joint comprises yokes each formed with a bearing hole and a spider shaft rotatably fitted into the bearing hole through a rolling bearing. The spider shaft is formed with a contact portion with the rolling bearing, the contact portion having its outside diam... | 10/10/2006 |
| 7101285 | Cross-shaped joint A cross-shaped joint is provided with a pair of yokes each of which is integrally provided with forked arms on which opposed circular holes are formed, a spider having four end shaft portions, and four bearings for rotatably supporting the end shaft portions of the ... | 09/05/2006 |
| 7044859 | Universal joint with friction fit and bearing cup retainer A universal joint for interconnecting a pair of rotating shafts includes a pair of bifurcated yokes interconnected by a cruciform. The cruciform includes four orthogonal trunnions each including a lubricant passage. A thrust washer engages an inner surface of the lu... | 05/16/2006 |
| 7033277 | Universal joint The universal joint features caps that allow the insertion of grease without removal of the caps. Inside each cap is a bushing that replaces the bearings used in other universal joints. One embodiment of the universal joint features a device for protecting a rubber ... | 04/25/2006 |
| 7025679 | Universal joint with bearing cup retention thrust washer A universal joint includes a pair of bifurcated yokes interconnected by a cruciform. The cruciform includes four orthogonal trunnions each including a lubricant passage. A thrust washer engages a portion of the trunnion to retain a bearing assembly on each trunnion.... | 04/11/2006 |
| 7022021 | Universal joint roller assembly A tripot universal joint has a plurality of roller assemblies mounted on trunnions of a drive shaft and run in longitudinal tracks of a housing. Each roller assembly includes a roller and a needle roller bearing for rotatably mounting the roller on a roller carrier.... | 04/04/2006 |
| 6994627 | Universal joint A universal joint includes a pair of bifurcated yokes interconnected by a cruciform. The cruciform includes four orthogonal trunnions each including a flared end section. A bearing is retained on the trunnion by the flared end section. ... | 02/07/2006 |
| 6991545 | Bearing assembly for a journal, especially of a cross member of a universal joint A bearing assembly for a bearing journal (13), especially of a cross member of a universal joint, has a bearing journal (13) with a cylindrical outer face (14), an end face (16) and a journal axis (15). A bearing element (8)... | 01/31/2006 |
| 6976922 | Precision thrust bearing joint A cross for a universal joint in a vehicle driveshaft assembly is comprised of a hollowed block of material having four openings. The hollowed block holds an inner cross that has a first cross member and a second cross member. Each cross member has an end portion th... | 12/20/2005 |
| 6926611 | Universal cardan joint with elastomeric bearings Universal cardan joint with elastomeric bearings in which the elastomeric bearings are preloaded in compress and comprise laminated segments with reduced resistance to shear deformation or comprise rubber cords providing for reduced torsional stiffness. ... | 08/09/2005 |
| 6923726 | Articulated yoke, method for the production of a supporting surface enabling an even distribution and bearing arrangement The invention relates to a yoke (4) which is used in universal-joint propeller shafts, having at least one leg member (7) which is connected to an input or output part of a machine element comprising at least one bearing part (8) surrounding a b... | 08/02/2005 |
| 6855059 | Universal joint with bearing cup retention thrust washer A universal joint includes a pair of bifurcated yokes interconnected by a cruciform. The cruciform includes four orthogonal trunnions each including a lubricant passage. A thrust washer engages a portion of the trunnion to retain a bearing assembly on each trunnion.... | 02/15/2005 |
| 6837794 | Tripod type constant velocity universal joint A tripod type constant velocity universal joint which includes an outer member having three axially extending track grooves formed in an inner circumferential surface thereof, each of the track grooves having roller guide surfaces on a pair of opposing side walls th... | 01/04/2005 |
| 6830516 | Ball hub apparatus and method for use in a universal joint A universal joint hub comprising a generally spherical body having two flat areas on opposing exterior sides and at least one opening into an open body interior. The hub has two flat areas on opposing interior surfaces of the body orthogonal to the exterior flat are... | 12/14/2004 |
| 6827649 | Universal joint with friction fit and bearing cup retainer A universal joint for interconnecting a pair of rotating shafts includes a pair of bifurcated yokes interconnected by a cruciform. The cruciform includes four orthogonal trunnions each including a lubricant passage. A thrust washer engages an inner surface of the lu... | 12/07/2004 |
| 6743106 | Constant velocity universal joint A constant velocity joint including an outer joint member formed with three track grooves having roller guide surfaces arranged in circumferentially opposed relation to each other; a tripod member having three radially projecting leg shafts; a plurality of rollers i... | 06/01/2004 |
| 6716105 | Thrust ring and method for producing a thrust ring, bearing system for bolts of universal joints and cardan joint arrangement A thrust ring, in particular an axial bearing thrust ring, for forming a running surface for rolling elements, for use in bearing systems for universal joints of cardan shafts. The ring has a first planar end side and a second end side, having two surface regions on... | 04/06/2004 |
| 6685569 | Vibration absorbing universal joint An universal joint dissipates shock and reduces torsional vibration to the elements of the universal joint. An elastomeric material, such as a polyurethane, is introduced between the bores of the yokes of the joint and the respective adjacent bearing cups... | 02/03/2004 |
| 6547667 | Constant velocity universal joint A constant velocity universal joint comprises an outer joint member 10 formed with three track grooves 12 having roller guide surfaces 14 arranged in circumferentially opposed relation to each other, a tripod member 20 having three radially projecting tru... | 04/15/2003 |
| 6533667 | Tripot constant velocity joint having ball modules A tripot joint includes a tripot housing having a plurality of longitudinally extending ball channels for receiving a corresponding plurality of trunnions projecting from a shaft. Each trunnion is fitted with a ball module formed as a separate sub-assembl... | 03/18/2003 |