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Class 464/139 - Coupling transmits torque via radially spaced ball


Subclass of Class 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
Definition: Subject matter wherein said structure includes a spherical
No. of patents: 47
Last issue date: 06/28/2011


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NumberTitleIssue Date
7967684Simple, center-less universal joint
A simple, center-less universal joint of ultra tight tolerance comprising two yokes, each having two facing, distinctly round interface surface areas; both yokes being easily engaged (a self aligning process) and disengaged. ...
06/28/2011
7537524Coupling of driver/driven shafts of a motor and thrust isolation
The rotary motion created by a motor is transmitted from the drive shaft of the motor to the driven shaft through a pair of diametrically opposed balls fitted into a coupling mechanism attached to the drive shaft and through a pin fitted into holes formed in the opp...
05/26/2009
7367573All terrain vehicle
A front frame portion of an underframe which constitutes a lower portion of a vehicle body frame is formed in a triangular shape, and, at the same time, the front frame portion of the underframe is formed in a peaked shape in a plan view. The underframe is integrall...
05/06/2008
7347785Propshaft 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
7219590Method for positioning a body along continuous-range inclination and rotation angles
In a system for controlling the inclination angle and rotation angle of a body, a rotary actuator is coupled to a base. A pivot actuator is coupled to an output shaft of the rotary actuator. The rotary actuator controls the angular position of the pivot actuator. A ...
05/22/2007
7128653Double Cardan centering mechanism
A centering device for a double Cardan universal joint is comprised of a disc-shaped body having a first and second annular face and an annular rim extending about a central axis. A first hollowed protrusion is centrally located on the first annular face, and a seco...
10/31/2006
7121951Connecting 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
7076837Hinge device for electronic display
A hinge device for pivotally coupling a display to a base includes a seat for being secured with the base, a rotor, a pair of hinges, and at least one roller located on the rotor. The seat defines a hole, and a railway defined in an inner wall of the seat. The rotor...
07/18/2006
7000319Method of manufacturing outer races for tripod-type constant velocity universal joints
To make a peripheral lip region to be formed with chamfered portions by the use of a plastic working technique, to enable the use of a cup forming punch of a simplified shape so that a mold used therewith can be easily assembled and the punch when worn down can easi...
02/21/2006
6973982Motor structure of an electric vehicle
A motor structure of an electric vehicle which is driven by an electric motor. The motor structure comprises an electric motor unit including the electric motor and differential gears, and a radiator for cooling the electric vehicle. Accessories are mounted on the e...
12/13/2005
6962489Moineau 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
6949101Medical instrument for milling a curved path in bone and procedure
A medical instrument and procedure is adapted to mill bone along a curve and with respect to at least two angles of orientation with respect to an input source of rotary motion. Particularly, the medical instrument is a bone milling apparatus that is configured to m...
09/27/2005
6808456Constant velocity joint
A constant velocity joint includes outer and inner races with mating part-spherical surfaces in which a single functional set of ball grooves are formed bearing a single torque-transmitting ball which is urged under an applied torque load toward one axial end of the...
10/26/2004
6478684Constant velocity joint and rolling bearing unit for wheel
A constant velocity joint having an inner race, an outer race provided along a periphery of the inner race, a cage sandwiched in between the inner race, the outer race, and balls. A crossing angle between a central axis of the inner race and a central axi...
11/12/2002
6478683Constant velocity joint and rolling bearing unit for wheel
A constant velocity joint having an inner race, an outer race provided along a periphery of the inner race, a cage sandwiched in between the inner race, the outer race, and balls. A crossing angle between a central axis of the inner race and a central axi...
11/12/2002
6402623Constant velocity joint and rolling bearing unit for wheel
A constant velocity joint having an inner race, an outer race provided along a periphery of the inner race, a cage sandwiched in between the inner race, the outer race, and balls. A crossing angle between a central axis of the inner race and a central axi...
06/11/2002
6306044Homocinetic 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
6299542Constant velocity joint and rolling bearing unit for wheel
A constant velocity joint comprises an inner race, an outer race provided along a periphery of the inner race, a cage sandwiched in between the inner race, the outer race, and balls. A crossing angle between a central axis of the inner race and a central ...
10/09/2001
6293872Motor vehicle steering shaft with two shaft sections
The invention relates to a motor vehicle steering shaft with two shaft sections which are telescopically guided in one another and have corresponding profile cross-sections, between which at least one row of balls is fitted in. The row of balls are each a...
09/25/2001
6273825Monobloc joint with centering means
An assembly consisting of a constant velocity universal joint having an outer joint part, an inner joint part and torque transmitting elements which, in the direction of rotation, constitute positive engaging means between the outer joint part and the inn...
08/14/2001
6247555Rotating lubrication applicator and methods for using same
A rotating lubrication applicator is provided for metered lubrication of machine parts including parts of drive mechanisms. The preferred applicator includes an inner hub and an outer lubricating portion. The outer lubricating portion is made out of a sol...
06/19/2001
6224490Constant 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
6220967Constant velocity joint vent plug
A vent plug for use with a universal joint having an outer race including an vent aperture, the vent plug including an elongate body portion having a first end and a second end, a retention cap disposed adjacent the first end and a vent cavity extending f...
04/24/2001
6146281Outer joint part of a constant velocity ball joint
An outer joint part includes a cup-shaped body portion having a rotation axis. The cup-shaped body portion has an inner circumferential surface having a plurality of circumferentially spaced inner grooves, and an outer circumferential surface having a plu...
11/14/2000
6109898Compressor ring attachment
A scroll compressor having a compressor housing and an orbiting scroll member is provided with an annular plate between the housing and orbiting scroll member. The plate having an axial aperture provided therethrough, the plate abutting one of said housin...
08/29/2000
6070697Rotating lubrication applicator and methods for using same
A rotating lubrication applicator is provided for metered lubrication of machine parts including parts of drive mechanisms. The preferred applicator includes an inner hub and an outer lubricating portion. The outer lubricating portion is made out of a sol...
06/06/2000
5984039Coupling assembly
A coupling assembly has at least one friction coupling unit which comprises a driveable housing and a hub to be driven, and having differential-speed-dependent actuating means operating by a pressure agent and comprising a pump unit. The pump unit compris...
11/16/1999
5833243Constant velocity joint seal
A seal for a constant velocity joint, the seal comprising a main seal body having a central axis of rotation, the main seal body including an inner wall and an outer wall and opposing first and second sides, a raised rib extending out from the first side,...
11/10/1998
5807180Constant velocity universal joint shaft and inner race combination
A constant velocity joint shaft and inner race combination is provided. The combination includes a shaft having an annular shoulder and a splined section generally adjacent to the shoulder. An inner race with a splined bore is fitted over the splined sect...
09/15/1998
5716278Constant velocity universal joint for large articulation angles
A constant velocity universal joint for large articulation angles, consisting of an outer joint part comprising a cavity and longitudinally extending outer ball running grooves opening towards the cavity; an inner joint part positioned inside the cavity a...
02/10/1998
5639099Constant velocity joint seal
A seal for use with a constant velocity joint and a transmission output component. The seal comprising a main seal body having a central axis of rotation, the main seal body including an inner wall and an outer wall and opposing first and second sides. Th...
06/17/1997
4846763Universal joint with improved bearing and seal construction
A universal joint has an output shaft mounting a clevis which is projected into a yoke upon a drive shaft. A cylindrical roller connector is positioned within a socket in the clevis. A transverse pivot post upon the yoke extends through the roller connect...
07/11/1989
4811552Propelling drive transmission structure for walking operator type lawn mower
A propelling drive transmission structure for a walking operator type lawn mower having vertically adjustable front and rear wheels and a main frame supporting a cutting blade housing between the front and rear wheels. The transmission structure comprises...
03/14/1989
4799817Double hookes joint
A wide angle double Hookes joint comprises a double inner yoke 2a, 2b; two outer yokes 3 which are each pivotally connected to the inner yoke by a respective cross member 4, each cross member comprising a first pair of trunnions received in bearings in yo...
01/24/1989
4786271Coupling 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
4768993Ball coupling
A device for elastic interconnection of two rotatable shafts consisting of a first sleeve intended to be connected to a first shaft end. The sleeve has a radial flange and a cylindrical, annular portion connected to the periphery of the flange. A second s...
09/06/1988
4722716Universal joint
A universal joint for drivably and flexibly coupling two shafts together. The universal includes a pair of body members for being removably connected to the shafts, a pair of arm members connected to and extending from each body member and connected to ea...
02/02/1988
4621700Wheel bearing
Wheel bearing with a built-in homokinetic coupling. The wheel bearing comprises a generally annular inner part, an outer race and two rows of rolling elements located between the outside running surfaces formed on the outer race and the inside running sur...
11/11/1986
4582503Injection 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
4549873Angularly 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
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