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| Number | Title | Issue Date |
| 8100773 | Joint A joint whose number of parts is reduced and whose production process is simplified. The joint has spherical bodies (29a-29d), a circular cylindrical inner hub (20) in which hemispherical receiving sections (22a-22... | 01/24/2012 |
| 8033920 | High torque, flexible, dual, constant velocity, ball joint assembly for mud motor used in directional well drilling A flexible, dual ball joint assembly used for increasing the wear life of a mud motor. The ball joint assembly includes an drive shaft with a drive shaft hollow ball joint. An outer circumference of the hollow ball joint includes a plurality of equally spaced apart ... | 10/11/2011 |
| 7887423 | Universal joint A universal joint includes an outer member defining an interior opening and a plurality of grooves within the opening extending along a longitudinal axis. An inner member is disposed within the opening and includes a plurality of pockets opposing the grooves. A driv... | 02/15/2011 |
| 7582021 | Longitudinal shaft A longitudinal shaft for use in particular in four-wheel drive or rear-wheel drive motor vehicles includes a gearbox-side articulation, a differential-side articulation, as well as a central articulation through which a gearbox-side section is integrally linked in r... | 09/01/2009 |
| 7331262 | Drive bit holder and method of manufacturing A bit holder is provided which includes a body having a cavity formed with an upper portion and a lower portion, separated by a ridge-like protuberance which has a cross sectional profile smaller than that of the upper portion and the lower portion. The ridge-like p... | 02/19/2008 |
| 7290428 | Can bottom forming assembly A can bottom forming assembly for use in forming the bottom of metal cans, such as steel and aluminum two piece cans. The bottom forming assembly is lightweight and comprises outer and cylinder housing assemblies which house a clamp ring retainer assembly, a transfe... | 11/06/2007 |
| 7226360 | Grease cap for a constant velocity joint A frangible grease cap for use in a collapsible constant velocity joint. The frangible grease cap includes a body generally having a circular shape. The frangible grease cap includes an orifice through a center section of the body. The grease cap also includes at le... | 06/05/2007 |
| 7121951 | Connecting shaft device A connecting shaft includes a fixed connecting part on one end and a connecting part on the other end for engaging with a socket, the connecting part is in curved part, a shoulder for connecting to the inner circumference of the socket is disposed between the connec... | 10/17/2006 |
| 6913540 | Constant velocity universal joint for propeller shaft A constant velocity universal joint for use with a propeller shaft which reduces its weight and size as well as facilitates assembling a stub shaft, thereby reducing the number of parts used and improving rotational balance. The universal joint, comprising: an outer... | 07/05/2005 |
| 6685571 | Constant velocity universal joint and method of producing My universal joint will use the outer and inner members to hold the balls in alignment. The male or female part would hold the ball in a half spherical recess and the other component would have a race groove to allow movement. It will also have means of a... | 02/03/2004 |
| 6306044 | Homocinetic ball-and-socket joint with optimized roll error A constant velocity universal ball joint of the fixed joint type, having an outer joint part with curved outer ball tracks extending longitudinally inside, having an inner joint part with curved inner ball tracks extending longitudinally outside, having a... | 10/23/2001 |
| 6267683 | Assembly having a constant velocity joint and a receiving part The invention relates to an assembly having a constant velocity joint (1) and a receiving part (16). The constant velocity joint (1) comprises an outer part (2), an inner part (7), a cage (12) and balls (13). The outer part (2), on its outer face, is prov... | 07/31/2001 |
| 6224490 | Constant velocity joint and method of making an outer race therefor A constant velocity joint includes an outer race (1) having a spherical inner surface (2) with track grooves (3) each extending in an axial direction thereof, an inner race having a spherical outer surface (5) formed with track grooves (6) equal in number... | 05/01/2001 |
| 6206785 | Constant velocity universal joint and method A non-stroking constant velocity universal joint including an inner joint member, an outer joint member, and a plurality of torque transferring bearing spheres in facing pairs of ball grooves in the inner and outer joint members. The bearing spheres are m... | 03/27/2001 |
| 6089984 | Constant velocity fixed joint with control element The invention relates to a constant velocity fixed joint having an outer part 1 carrying a supporting element 9. An inner part 11 has a hollow spherical control face 17. A cage 18 is guided on the inner part 11 and holds balls 21 which, transmit torque be... | 07/18/2000 |
| 5713797 | Universal joint having arms of a tripod interacting with tracks of an outer joint member through two different intermediate members The Universal Joint includes a tripod that is to be fixed to the first shaft and a female element that is to be fixed to a second shaft. The tripod has a plurality of arms to engage with the plurality of the tracks of the female element. Two of the tracks... | 02/03/1998 |
| 5704840 | Universal joint A universal joint for small articulation angles has parallel, longitudinally extending tracks in the inner joint part and in the outer joint part and axially freely movable torque transmitting balls held in an uncontrolled way in the tracks. The tracks in... | 01/06/1998 |
| 5582546 | Energy absorbing propeller shaft for motor vehicles A propeller shaft for motor vehicles, having an intermediate joint provided in the form of an axially movable universal ball joint and consisting of at least an outer joint part with longitudinally extending first ball tracks, an inner joint part with lon... | 12/10/1996 |
| 5217410 | Rotary ball joint having a plurality of force transmitting balls providing connection between the inner and outer members A rotary ball joint, especially for angularly movable driveshafts for motor vehicles, has an outer joint member (11) with ball tracks (18) uniformly distributed on its inner circumference and an inner joint member (12) non-rotatingly connected to the oute... | 06/08/1993 |
| 5184979 | Quick disconnect constant velocity universal joint A quick disconnect constant velocity universal joint for transmitting driving torque between rotative members, having a hollow pintle-type inner joint member fixed to one of the rotative members, an outer member fixed to the other of the rotative members,... | 02/09/1993 |
| 5160299 | Universal joint having three concentric spherical elements interconnected for relative motion by a plurality of balls carried in cooperative indentations defined in adjacent movable surfaces A ball-type universal joint provides three concentric, relatively movable spherical elements that resists both compressive and extensive forces. An outer shell carries a first shaft and defines a medial chamber comprising more than half a hemisphere with ... | 11/03/1992 |
| 5000723 | Universal joint for downhole motors A rotor adapter for connection between a drive shaft having eccentric motion and a driven shaft having circular motion within a downhole mud motor. The rotor adapter has two symmetrical ends on either end of a rotor adapter shaft. Each end includes a coup... | 03/19/1991 |
| 4954120 | Slidable constant velocity joint A universal joint includes an inside part provided integrally with a first shaft and having three first holding portions disposed spacedly apart circumferentially at equal intervals, an outside part provided integrally with a second shaft and having three... | 09/04/1990 |
| 4941862 | Quick disconnect constant velocity universal joint A quick disconnect constant velocity universal joint for transmitting driving torque between rotative members, such quick disconnect univeral joint including a pintle-type inner joint member fixed to one of the rotative members and an outer member fixed t... | 07/17/1990 |
| 4832657 | Constant velocity universal joint for transmitting a torque at various angles A constant velocity universal joint for transmitting driving torque between rotative members, including an outer race member with an axial annular recess therethrough, the annular recess in the outer race member being enlarged at one end to accommodate an... | 05/23/1989 |
| 4753626 | Constant velocity universal joint and apparatus embodying the same A constant velocity universal joint for transmitting driving torque between rotative members, such universal joint including a pintle-type inner joint member fixed to one of the rotative members and an outer member fixed to the other of the rotative membe... | 06/28/1988 |
| 4685897 | Universal joint for tilt steering wheel A universal joint of the type utilizing spherical roller balls to transmit torque or power between an inner joint member and an outer joint member. The balls roll in a recess in the inner joint member and each ball rolls in a rectilinear recess in the out... | 08/11/1987 |
| 4645369 | Ball type universal joint and method of manufacture A ball type universal joint construction where a ball member is rotatably received in a housing and a bearing structure interposed therebetween in a manner which limits the relative rotational degrees of freedom. The ball member has a spherical surface po... | 02/24/1987 |
| 4634402 | Universal joint capable of accommodating thrust loads A universal joint for transmitting driving torque between rotative members including an inner joint member for connection to one of the rotative members and an outer joint member for connection to the inner joint member and to the other of the rotative me... | 01/06/1987 |
| 4582503 | Injection molded universal joint An injection molded universal joint (10) includes a central retaining member (40) captured between spherical balls (30, 32, 34, 36) seated in bores (22, 24, and 26, 28) located in diametrically opposed arms (14, 16, and 18, 20) of respective shaft members... | 04/15/1986 |
| 4549872 | Homokinetic coupling A homokinetic coupling which has a housing or outer ring with a cavity limited by a spherical surface and open toward the outside at least one edge. An inner ring, having an outer spherical surface with axially extending grooves is placed within this cavi... | 10/29/1985 |
| 4549873 | Angularly movable universal joint In an angularly movable universal joint, an inner joint member fits into a hollow space within an outer joint member. The surface of the outer joint member within the hollow space contains uniformly circumferentially spaced axially extending grooves. Radi... | 10/29/1985 |
| 4501511 | Ball type universal joint and method of manufacture A ball type universal joint construction where a ball member is rotatably received in a housing and a bearing structure interposed therebetween in a manner which limits the relative rotational degrees of freedom. The ball member has a spherical surface po... | 02/26/1985 |
| 4493676 | Rotary constant velocity joint A universal joint having an inner joint member and an outer joint member and torque transmitting balls interposed therebetween is formed with recesses which receive the balls in one of the joint members, this one joint member being provided with at least ... | 01/15/1985 |
| 4472159 | Angularly movable universal joint In an angularly movable universal joint, a ring of balls extends around the axis of rotation of the joint with the balls being radially movably supported in bores in the inner joint member and guided within grooves in the outer joint member. Adjacent ball... | 09/18/1984 |
| 4425101 | Angularly movable universal joint A universal joint with an inner and outer joint member connected in torque transmitting relationship by roller members which are supported in radially extending openings in the inner joint member, the inner joint member being in torque transmitting engage... | 01/10/1984 |
| 4205925 | Universal joint outer shell An outer member for a universal joint with torque transmission by balls engaged in grooves in the outer member, comprising a first component of a lightweight material for attachment to a transmission shaft, a second component fitting closely within the fi... | 06/03/1980 |
| 4204412 | Constant velocity universal joint A constant velocity universal joint adapted to connect drivably a driving shaft to a driven shaft comprising a driving yoke connected to the driving shaft, a driven yoke connected to the driven shaft, a guide slot in the driving yoke with its axis paralle... | 05/27/1980 |
| 4196598 | Apparatus for prevention of the removal of a universal joint The apparatus prevents the unintentional removal of a universal joint of the type where a tubular outer member is provided on an end portion of a shaft. In this structure, plural longitudinal directional sliding grooves are arranged in parallel one with a... | 04/08/1980 |
| 4156354 | Angularly flexible cardan shaft joint A cardan joint for transmitting driving torque between rotative members includes an inner joint member fixed to one of the rotative members and an outer joint member fixed to the other of the rotative members. A plurality of roller bodies are engaged for ... | 05/29/1979 |
