Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts inventions 02/09

20090054163 - Driveshaft assembly with piloted flange connection: A drivetrain that includes a drivetrain component, a flange structure, a yoke flange, a female guide portion and a male guide portion. The drivetrain component has a shaft that is rotatable about an axis. The flange structure is fixedly but removably coupled to the shaft. The female guide portion is... Agent: Harness, Dickey & Pierce, P.L.C

20090054164 - Constant velocity joint and image forming apparatus: A disclosed constant velocity joint includes an outer ring including an annular space with an open end, plural outer grooves axially extending in an outer wall of the annular space and being equally spaced from each other in a circumferential direction, and plural inner grooves axially extending in an inner... Agent: Harness, Dickey & Pierce, P.L.C

20090054165 - Constant velocity universal joint and inner member of the same: Automatic installation of a circlip is facilitated even when an axial length (inner race width) of a protrusion of an inner race is reduced. An inner race (6) is installed in a constant velocity universal joint for transmitting torque while allowing angular displacement between itself and an outer race, with... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090054166 - Fixed constant-velocity universal joint: The present invention provides a fixed constant velocity universal joint that can be made compact, has little decrease in load capacity even when the fixed constant velocity universal joint is made compact and is at an operating angle, and can improve high angle strength and durability through lessening instances in... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090054167 - Molten metal pump components: Improved components for a molten metal pump include a coupling for connecting a rotor shaft to a motor shaft, a rotor shaft and a rotor. The rotor shaft has a first end and a second end wherein the first end optionally has a vertical keyway formed in the outer surface... Agent: Squire Sanders & Dempsey LLP

20090048028 - Sealing element and a coupling device provided with such a sealing element: A sealing element including a tube-shaped body of metallic material and first and second male sealing members arranged at a respective end of the body. At least two intermediate members are arranged in series in the body between the first and second male sealing members. Each one of the intermediate... Agent: Venable LLP

20090048029 - Boot for universal joint: The invention provides a boot for a universal joint. The boot includes a first sleeve portion defining a first circular opening. The boot also includes a second sleeve portion spaced from the first sleeve portion along a boot axis. The second sleeve portion defines a second circular opening having a... Agent: Howard & Howard Attorneys, P.C.

20090048030 - Sliding type constant velocity universal joint: The constant velocity universal joint includes a joint outer ring having a plurality of track grooves formed in the inner circumference, a joint inner ring provided with track grooves corresponding to the track grooves of the joint outer ring, a plurality of balls provided in the ball tracks interposed between... Agent: Arent Fox LLP

20090048031 - Heat-resistant drive shaft damper having improved dampening performance: The invention is a heat-resistant drive shaft damper adapted to be inserted into a hollow automotive drive shaft. The damper with improved heat-resistant and NVH-reduction properties includes a retaining member that extends above the damper's outside surface and possesses a maximum operating temperature of 175° C. or higher. The invention... Agent: Summa, Additon & Ashe, P.A.

20090042655 - Power transmission device and method of producing the same: A power transmission device that can have deformation in processing suppressed. A spiral gear as a rotation member includes a disk section extending radially outwards from a boss section. The disk section includes a through hole in slit form through laser processing.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090042656 - Image forming apparatus: A disclosed image forming apparatus comprises a unit, which includes a rotating body and is detachable from an apparatus body, and a connection unit configured to connect a driven shaft provided in the unit to a drive shaft provided in the apparatus body. The driven shaft is configured to transmit... Agent: Harness, Dickey & Pierce, P.L.C

20090042657 - Torque transmission device: A torque transmission device is provided with an outer tube having a non-circular internal circumference and an inner tube having a non-circular external circumference inserted into the outer tube. The two tubes have a predefined rotational clearance as the result of a gap formed between the internal and the external... Agent: Crowell & Moring LLP Intellectual Property Group

20090036221 - Drive transmitting device, and image forming apparatus provided with the same: A drive transmitting device includes: a rotational shaft having peripheral surface with a cut-off surface extending along an axial direction of the rotational shaft; a bearing member for supporting the rotational shaft, the bearing member being in slide contact with the peripheral surface of the rotational shaft; and a spacer... Agent: Casella & Hespos

20090036222 - Pivotal device for universal joint: A universal joint includes first and second yoke members each having a pair of spaced arms. A coupler includes a positioning hole in which an engaging member is received. Two pair of pins are extended through the arms of the first and second yoke member and through pin holes of... Agent: Kamrath & Associates P.A.

20090036223 - Universal joint with bearing cup retention mechanism and method: A universal joint may include a spider, a yoke, a bearing cup, and a retaining member. The spider may include a plurality of trunnions and the yoke may include first and second arms. The first arm may include a first aperture therethrough receiving a first trunnion therein. The first arm... Agent: Harness, Dickey & Pierce, P.L.C