Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8057313 | 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 ... | 11/15/2011 |
| 7927220 | Driveshaft comprising a counter track joint featuring a delimited axial displacement path A constant velocity universal ball joint 11 having first and second outer ball tracks 16, 18, and first and second inner ball tracks 17, 19, forming first pairs of tracks 16, 17 which widen in a first axial direction. Ri1 (α), and... | 04/19/2011 |
| 7914382 | Dual type constant velocity universal joint A dual type constant velocity universal joint solves the problems of greasing work efficiency and lubricating ability of a double Cardan Joint. The dual type constant velocity universal joint includes two constant velocity universal joints. Each constant velocity un... | 03/29/2011 |
| 7635307 | Propeller shaft An illustrative embodiment includes a propshaft system including a first constant velocity joint generally defining a first axis and having an inner first race, an outer first race, and a first grease cover mated to the outer first race. The propshaft system also in... | 12/22/2009 |
| 7347785 | Propshaft with constant velocity joint attachment A propeller shaft assembly includes a substantially cylindrical hollow propeller shaft, a stub shaft and a constant velocity joint having inner race and an outer race drivingly interconnected by a plurality of balls. The stub shaft has a first end fixed to the prope... | 03/25/2008 |
| 7311167 | Swingable vehicle A left drive shaft and a right drive shaft each include an inside constant velocity joint and an outside constant velocity joint with a ball spline mechanism provided between the inside constant velocity joint and the outside constant velocity joint for enabling the... | 12/25/2007 |
| 7232000 | Drive-steer axle for motor-driven vehicles The invention concerns an axle (1) comprising a differential (6), two transmission lines (8) from the differential and adapted each to drive a drive wheel (2), members (4) for directional control of the drive wheels (2), eac... | 06/19/2007 |
| 7229358 | High performance constant velocity universal joint A high performance constant velocity universal joint is based on a body which encloses the constant velocity joint components and provides a smooth spherical outer surface. A one-piece semi-rigid plastic boot in the form of a truncated sphere has a smooth internal s... | 06/12/2007 |
| 7153213 | Fixed type constant velocity joint and method of producing the same A fixed type constant velocity joint includes a cylindrical joint outer ring having an inner spherical surface formed with circumferentially equispaced axially extending track grooves, a joint inner ring having an outer spherical surface formed with circumferentiall... | 12/26/2006 |
| 7128654 | Constant velocity joint The contact angle of the ball 15 with each first guide track 21 of an inner joint member 12 is made to become smaller gradually from an opening portion side toward a bottom portion side, and the curvature radius for the first guide track 21 | 10/31/2006 |
| 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 |
| 7004842 | Compound driveshaft assembly with constant velocity joint A compound driveshaft assembly includes a first driveshaft section that is connected through a front stub shaft to an inner race of a constant velocity universal joint. The constant velocity universal joint includes a unitary outer race and splined member having an ... | 02/28/2006 |
| 6962489 | Moineau pumping device having a ball coupling A pumping device is provided which comprises a Moineau pump with a helical rotor inside a helical cavity of a stator, driver means, and a drive connecting rod coupled by a respective coupling to a driving shaft of the driver and to one end of the rotor. Each couplin... | 11/08/2005 |
| 6949025 | Downhole motor universal joint assembly A downhole motor universal joint assembly includes a female coupler which receives a male end of a drive shaft. The female coupler has a retainer that prevents separation of the male end and the female coupler. The retainer has a rearward extending skirt with flow p... | 09/27/2005 |
| 6918838 | Longitudinal plunging unit with a hollow profiled journal A longitudinal plunging unit (11) for torque transmitting purposes in a shaft assembly, comprising an outer profiled sleeve (21) having circumferentially distributed, inner, longitudinally extending first ball grooves (22) to be connected to a f... | 07/19/2005 |
| 6578657 | Driveline angle reducer A driveline system for a motor vehicle includes at least two propeller shafts and a driveline angle reducer disposed therebetween for drivingly interconnecting the propeller shafts at a fixed operating angle. The driveline angle reducer includes a housing... | 06/17/2003 |
| 6390928 | Driveshaft adapted to a preferred torque transmitting direction A driveshaft (11) having two ball type constant velocity fixed joints (12, 13), a shaft part (14) connecting said two joints, and an axial plunging part (15) arranged in said shaft part (14). The ball type constant velocity fixed joints (12, 13) each comp... | 05/21/2002 |
| 6280340 | Impact-absorbable power transmission device An impact-absorbable power transmission device is constituted by establishing a frictional spline connection between a shaft and a pipe to allow an axial slide therebetween and to forbid a relative rotation therebetween. An inner race of a universal joint... | 08/28/2001 |
| 6267682 | Constant velocity joint A constant velocity joint assembly for a vehicle, having a fixed-type constant velocity joint linked at one end of a shaft portion of a vehicle and a plunging type constant velocity joint linked to the other end of the shaft portion. The fixed type consta... | 07/31/2001 |
| 6254487 | CV-jointed shaft with two fixed joints and seperate sliding means The invention relates to a CV-jointed shaft with a first and a second constant velocity fixed joint 1, 1' and an intermediate shaft 14. The intermediate shaft 14 comprises a plunging sleeve 22 in which there is received a plunging journal 15 by means of b... | 07/03/2001 |
| 6234908 | Drive assembly with at least one constant velocity fixed joint having a set of rolling contact member guiding means The invention relates to a drive assembly comprising a constant velocity fixed joint A and rolling contact member guide B. The constant velocity fixed joint A is designed in such a way that its outer part 1 and its inner part 3, for the purpose of guiding... | 05/22/2001 |
| 6152825 | Pre-assembled unit for automotive vehicles A pre-assembled structural unit for driven axles of automotive vehicles, comprising a wheel flange (1), a brake disc (2), a wheel bearing (3), and a synchronizing joint including an inner part (5), an outer part (6), and an anti-friction bearing (7), can ... | 11/28/2000 |
| 6113499 | Drive shaft A two-part hollow drive shaft for motor vehicles in a light-weight construction, having two shaft sections and a total of three cardan joints, with a pivot bearing being arranged close to the center cardan joint. For compensating load-change-caused distan... | 09/05/2000 |
| 6042479 | Constant velocity joint retainer A retaining ring and method of installation are provided to maintain the relative position of an inner joint to an outer joint in a constant velocity joint. The outer joint has an open end, a generally spherical internal surface with a plurality of ball g... | 03/28/2000 |
| 5938534 | Radial free motion driveline An adjustable length telescoping radial free motion driveline including a shaft slidable within a sleeve to slide axially with respect to each other which allows the driveline to elongate and shorten while still maintaining a fixed radial alignment. The s... | 08/17/1999 |
| 5931738 | Universal joint assembly protected by a boot A half shaft assembly includes a half shaft having inboard and outboard ends with constant velocity universal joint inner races secured thereto. A universal joint cage and ball assembly encircles each inner race. An outer race encircles each cage and ball... | 08/03/1999 |
| 5899814 | Vehicle drive train incorporating a plunging constant velocity joint A automotive vehicle drive train is provided including a first rotative member, a first plunging constant velocity joint with a front end connected with the first rotative member, the first plunging constant velocity joint having a rear end torsionally co... | 05/04/1999 |
| 5827122 | Radial free motion driveline An adjustable length telescoping radial free motion driveline including a shaft slidable within a sleeve to slide axially with respect to each other which allows the driveline to elongate and shorten while still maintaining a fixed radial alignment. The s... | 10/27/1998 |
| 5813917 | Shaft assembly A shaft assembly in which a cross-groove universal joint is mounted on each of the two end portions of a shaft. In this cross-groove universal joint, an inner race formed in the outer circumference with ball grooves inclined alternately in opposite direct... | 09/29/1998 |
| 5651738 | Device for connecting a tubular shaft to a journal A clamping mechanism (12) connects a tubular shaft (4) to a journal (11). In its bore, the tubular shaft (4) has a profile which is engaged by the journal (11) by a corresponding counter-profile on its outer face along a length of overlap. The profile and... | 07/29/1997 |
| 5624318 | Constant velocity joint with a connecting shaft A constant velocity joint (2) with a connecting shaft (4). The inner part (12) of the constant velocity joint (2) includes a through-bore (28) with a first portion in the form of inner teeth (29) and a second bore portion in the form of a circular-cylindr... | 04/29/1997 |
| 5611733 | Driveshaft with plunging part A driveshaft (1) for driving the wheels of a motor vehicle has two constant velocity joints (2, 3) and a connecting shaft (4). The two constant velocity joints (2, 3) are provided in the form of constant velocity fixed joints. The plunging assembly requir... | 03/18/1997 |
| 5217374 | Roller drive system for roller hearth kiln There is disclosed herein a drive system and a coupling system for each roller in a roller hearth kiln. The drive system is modular and encased and includes a plurality of aligned drive worms that engage driven gears that in turn rotate a drive shaft. The... | 06/08/1993 |
| 5052979 | Shaft assembly for the wheel drive of a motor vehicle A wheel drive shaft assembly for a motor vehicle including two universal joints, at least one of which is a plunging joint to enable axial movement of the shaft assembly, with one of the universal joints further including a splined journal engaging into a... | 10/01/1991 |
| 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 |
| 4950206 | Constant velocity ratio universal joints A constant velocity ratio universal joint comprising an outer joint member (1), an inner joint member (2), a cage (8), and a plurality of torque-transmitting balls (7) engaged in grooves (4, 6) of the outer and inner joint members for transmitting torque ... | 08/21/1990 |
| 4892433 | Process for producing a joint between a metallic inner sleeve and a tube of fiber-reinforced plastic material and the resulting joint produced thereby In order to provide a torque-transmitting joint comprising a tube of fiber-reinforced plastic material and a metallic inner sleeve which has a knurled outer surface, the inner sleeve is pressed into retaining regions of the tube having reinforcing fibers ... | 01/09/1990 |
| 4786271 | Coupling for end-to-end rotatable shafts A shaft coupling which can prevent trransmission of side loads in the event of angular or parallel misalignment of end-to-end shafts and which can also provide non-destructible overload protection. A pair of independent translatable devices spaced apart a... | 11/22/1988 |
| 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 |
| 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 |
