Abstract: A bimetallic shaft for use in gearbox applications wherein the member of shaft that protrudes from the gearbox is designed and constructed from a corrosion-resistant metallic compound to prevent corrosion and wear to exposed shaft material. A gearbox comprising a bimetallic shaft having a corrosion-resistant material on the portion of the bimetallic shaft that protrudes from a gearbox housing, wherein a gearbox shaft seal radially surrounds the bimetallic shaft. A method of providing a bimetallic gearbox shaft comprising: a first shaft member comprising a non-corrosion-resistant material and having a first shaft axis, a second shaft member comprising a corrosion-resistant material and having a second shaft axis, and a joint that permanently affixes the first shaft member to the second shaft member such that the first shaft axis is aligned with the second shaft axis.

Abstract: A driveshaft assembly having a tubular shaft, an end component, and an annular anti-fretting spacer is disclosed. The tubular shaft has a first receiving end portion with an opening and an inner diameter, a center portion with an inner diameter, and an interior with an inner surface. The driveshaft end component has an insert end portion and an attachment end portion. The spacer has a first outer diameter that is substantially equal to the receiving end portion inner diameter, a second outer diameter, and an outer surface. At least a portion of the outer surface contacts the shaft inner surface and the spacer is disposed on the insert end portion of the driveshaft end component and the insert end portion, including the spacer, is disposed within the receiving end portion with an interference fit, and the shaft is rigidly coupled to the driveshaft end component.

Abstract: An object of the invention is to provide a structure for coupling two rotary shafts, which can be made smaller in size. A driving shaft for pumps is rotatably supported by a first bearing and a second bearing, while a rotary shaft of an electric motor is rotatably supported by the second bearing and a third bearing. Each one end of the driving shaft and the rotary shaft is inserted into the common second bearing, so that rotation of the rotary shaft is transmitted to the driving shaft.

Abstract: A shaft assembly that includes a propshaft member and a constant velocity joint. The constant velocity joint has an outer race, which is coupled for rotation with the propshaft member, an inner race, a plurality of bearing balls disposed between the outer and inner races to transmit rotary power therebetween, a shaft member coupled for rotation with the inner race, and a boot assembly that is sealingly engaged to the outer race and the shaft member. The shaft member defines a coupling portion that extends from the boot assembly. A method for coupling a shaft member to a driveline component is also provided.

Abstract: A transmission shaft for transmitting rotational movements including a tubular body having at least one tubular composite assembly including a plastic matrix and strengthening elements, at least one insert positioned at one end of the body and which is secured to the body in an interface area between the insert and the composite assembly, and at least one slug passing radially through the insert and the body for keeping the strengthening elements in place. The at least one insert has at least one recess receiving a part of the strengthening elements to maintain the strengthening elements in the interface area.

Abstract: An assembly for transferring torque including a first component having first wall portions, a second component having second wall portions, wherein the first wall portions extend radially from the first component toward the second component, the second wall portions extend radially from the second component toward the first component, the first wall portions are axially aligned with the second wall portions, and a clearance is formed between the first and second wall portions, and a ring rivet having a connecting portion inserted into the clearance and deformed for creating at least one head for axially locking the first component and the second component together, and wherein deforming the connecting portion fills the clearance for rotationally locking the first component and second component together for enabling a transfer of torque between the first component and the second component.

Abstract: A vehicle-use propeller shaft includes a yoke having four arm portions to disposed at equal intervals in the circumferential direction, each arm portion extending outward in the radial direction. One pair of arm portions and that extend in opposite directions and the other pair of arm portions and that extend in opposite directions have mutually different shapes.

Abstract: A power transmission device which transmits power between a first member and a second member, the first member has a hollow portion, the first member and the second member are fitted to each other by interference fitting by setting the external diameter of the second member so as to have a slightly larger size than the internal diameter of the hollow portion of the first member, and the surface of at least one of an inner periphery of the hollow portion of the first member and an outer periphery of the second member is subjected to a surface treatment in which slipping occurs when an excessive torque exceeding a predetermined value is applied, and the slipping stops and the original torque transmission to be performed in the power transmission device is performed again between the first member and the second member when the excessive torque is eliminated.

Abstract: A threader power adapter includes a power shaft having a first longitudinal axis extending through proximal and distal ends and an adapter shaft having a second longitudinal axis coupled to the distal end of the power shaft. The adapter is configured for insertion into a threader handle socket along a first axis and insertion into a driver along a second axis such that application of a torque to the adapter about the second axis causes rotation of the threader assembly about a third axis. With a disclosed method, the threader power adapter is coupled with a threader assembly and the threader assembly is placed on the cylindrical member. A driver is coupled with the threader adapter and a torque is applied to the threader adapter with the driver to turn the threader assembly about a central axis to cut threads in the exterior surface of the cylindrical member.

Abstract: A recess-projection fitting structure includes projections extending in an axial direction on an outer diameter surface of a shaft section of an outer joint member or an inner diameter surface of a hole of a hub wheel, press-fitting the projections in another of the outer diameter surface and the inner diameter surface along the axial direction, and forming recesses brought into contact and fitted with the projections by press fitting in the other of the outer diameter surface and the inner diameter surface, the projections and the recesses being held in contact with each other through intermediation. An outer member is fitted in a hole of a knuckle of a vehicle. Annular grooves are formed respectively in an outer peripheral surface of the outer member and an inner peripheral surface of the hole of the knuckle, and a snap ring is engaged with both the annular grooves.

Abstract: The invention relates to a shaft (1) for transmitting torques, comprising a hollow shaft (2) made of fiber-reinforced plastic, wherein a flange (3, 4) which can be used to connect the hollow shaft (2) to a driving or driven machine part is fastened at least to one end of the hollow shaft (2).

Abstract: A vehicle hub unit includes: an outer ring; rolling elements; a hub wheel that is arranged radially inward of the outer ring via the rolling elements; and an inner ring member that is fixed to an end portion of a hub spindle of the hub wheel by clinching. A spline tooth portion that meshes with a tooth portion of a constant velocity joint that transmits driving force to the hub unit is formed at a clinched portion of the hub spindle. A protruding portion is formed at a radially inner side portion of a bottom of the spline tooth portion.

Abstract: A quick disconnect coupling including a first hub, a shaft fixedly connected to the first hub, the shaft being non-round in cross-section, and a second hub having a non-round recess extending therethrough, the non-round recess being sized to closely receive the shaft such that the second hub is capable of sliding along the shaft and is prevented from rotating about the shaft, wherein rotation of the first hub results in corresponding rotation of the second hub.

Abstract: Pump apparatus, systems and methods of making and using same are disclosed. One inventive system includes a coupling member, a first shaft and a second shaft, the coupling member connecting the first shaft with the second shaft, the coupling member defining a first axial chamber accepting the first shaft, and a second axial chamber accepting the second shaft, the chambers separated by a coupling plate, the chambers including torsional motion transmitting elements and axial motion securing elements in the first and second axial chambers for axially securing the shafts in the coupling member. This abstract allows a searcher or other reader to quickly ascertain the subject matter of the disclosure. It will not be used to interpret or limit the scope or meaning of the claims.

Abstract: A shaft device which can ensure satisfactory lubrication for a shaft is provided. The shaft device includes a casing having a first insertion hole receiving a pin in a direction transverse to an axial direction. The shaft has a second insertion hole receiving the pin in a direction transverse to the axial direction. The pin is disposed through both the first insertion hole and the second insertion hole to fix the shaft to the casing relatively. The casing further has a space permitting the shaft to rotate in its circumferential direction with the pin partially inserted in the second insertion hole.

Abstract: A shaft assembly includes a shaft, a nut, a nut lock ring and a tubular nut support ring. The shaft includes a nut base mounted on the shaft, and a plurality of protrusions that extend radially out from the nut base. Adjacent protrusions are circumferentially separated by a gap. The nut lock ring includes a tubular ring base connected axially between a plurality of first lock tabs and a plurality of second lock tabs. The ring base is disposed on the nut base. Each first lock tab extends radially inward through a respective one of the notches. Each second lock tab extends axially through a respective one of the gaps. The nut support ring is disposed on the ring base.

Abstract: A torque tube includes a composite body and an end fitting. The composite tube includes a body having a body interior diameter, a wall thickness, an end having an edge, and a set of helically-shaped grooves. Each helically-shaped groove may pass through the wall thickness. Each helically-shaped groove may begin at the edge and end in the body. The end fitting may include a sleeve configured to mate with the body interior diameter and a set of ribs configured to mate with the set of helically-shaped groove.

Abstract: A composite structural member is provided. The structural member includes a tubular shaft having a mating region of stiffness, and possibly thickness, greater than another region of said shaft. The shaft defines a lumen, and a fitting is disposed in the lumen. The fitting has a coupling region that defines at least one recessed portion bounded by one or more non-recessed portions, and the mating region mates with the coupling region of said fitting. As such, the shaft and fitting are mechanically restrained from at least some relative movement due to interference of the shaft and the fitting. A sleeve may be coupled to said shaft, for example, by including a tubular inner surface that proximately surrounds at least part of said shaft and mating region, for discouraging expansion of the mating region of said shaft.

Abstract: A work machine includes a main pole internally including a rotation shaft, a tool unit located at one end of the main pole, and a power unit located at another end of the main pole. The main pole includes a first partial pole, a second partial pole and a joint member that joints them to each other. The first partial pole includes a positioning member. The joint member includes a positioning hole configured to engage with the positioning member and a guide groove extending from the positioning hole. The guide groove is configured to guide the positioning member to the positioning hole and to allow the positioning member to escape in at least a section thereof.

Abstract: A method for producing a shaft-hub connection, in particular between a helically toothed pinion (2) and a hub (6), a partial section (3) of the helically toothed running toothing (4) of the pinion is used, during the connection to the hub, as a type of chip-removing cutting tool, by virtue of the partial section cutting with the profiles of its teeth into the hub in an axially aligned fashion.

Abstract: A coupling assembly for connecting a hub bearing unit with a constant velocity joint includes a bell member of a constant velocity joint having a tubular section disposed about a driving ring and having an end surface facing a hub member end surface and an inner circumferential surface defining a bore. The inner surface has inner splines engageable with driving ring outer splines and a tapering surface section. A sealing member is disposed between the hub and bell end surfaces and seals the space between the surfaces. An annular retainer disposed within the bell bore has a tapering outer circumferential surface engageable with the inner surface section of the bore such that the tubular section is retained between the retainer outer surface and the hub end surface, preventing disengagement of the splines and compressing the sealing member between the end surfaces. A connector connects the retainer with the hub.

Abstract: A support structure for bolting components of a drive shaft via a mounting member that comprises at least are mounting member of the drive shaft having formed through a bolt hole, a female thread portion which is formed in the mounting member, the bolt having a male thread portion can be screwed into the female thread portion by inserting the bolt into the bolt hole, and a heat-shrinkable tube that is adapted to provide elastic contact at an inner surface of the bolt hole.

Abstract: An outer joint member (10) and an inner joint member (40) each have a shaft portion (18 and 46) having a male spline formed thereon, and shaft clamps (60) are press-fitted onto the respective shaft portions (18 and 46). Each of the shaft clamps (60) includes: a connection hole (66) that has a female spline formed therein, extends from a first axial end partway toward a second axial end, and has no quench-hardened layer; and a cylindrical portion (64) that has no female spline formed therein and extends from the second axial end partway toward the first axial end. The shaft portions (18 and 46) each have a quench-hardened layer on the outer circumference thereof. The inner diameter of the connection hole (64) at a portion having no female spline formed therein is less than the outer diameters of the shaft portions (18 and 46).

Abstract: A connecting arrangement between a shaft journal and a constant velocity rotary joint having a joint inner part and a joint outer part, in which the shaft journal engages in a rotationally fixed manner in one of the joint parts, and the shaft journal and the constant velocity rotary joint are two components. At least one clamping sleeve is provided which is axially secured on one of the components, and which includes at least one elastic element which can lock in place in a contour of the other component.

Abstract: A system for connecting a shaft (5) to a joint (1), which system includes a shaft journal (10) that is connected to the shaft (5), and a sleeve (4) that is connected to a hub of the joint (1), the sleeve (4) having a shaft-side first opening section (7), a joint-side second opening section (8), and a first radial stop section (14), and the shaft journal (10) having a shaft-side first shaft-journal section (11), a joint-side second shaft-journal section (12), and a second radial stop section (15) for delimiting the insertion path of the shaft journal (10) in the sleeve (4).

Abstract: A shaft member includes a plurality of shaft splines and a shaft preloading portion. The assembly also includes a collar member adjustably coupled to the shaftmember and having a collar member groove and a preloading portion formed therein; a first member having a first member groove and a plurality of first member splines formed therein; and a retaining member selectively at least partially interposed within both the collar member groove and the first member groove for restraining axial movement between the shaft member and the collar member. At least a portion of the first member groove and at least a portion of the collar member groove are selectively aligned when the shaft member is at least partially interposed within the first member to permit the retaining member to be at least partially positioned within both the first member groove and the collar member groove.

Abstract: A torque transmitting cardan shaft including within the shaft an adapted intermediate member or shaft, which has a first end section, that is intended for a rotationally rigid co-action with a first universal joint yoke and a second end section, opposite the first end section, intended for a rotationally rigid co-action with a second universal joint yoke. The intermediate member or shaft and its end section is configured as and comprises two parts or subsections, which are mutually joined via a safety coupling arrangement, by means of which a free coupling of the subsections from one other can be ensured immediately after the torque, between the subsections, exceeds a predetermined value, determined by the construction of the safety coupling arrangement. An end section and its universal joint yoke includes an axially orientated cylindrical groove or recess, which has a center axis that is co-ordinated with or aligned with a rotational axis of the first end section and its co-ordinated universal joint yoke.

Abstract: A trochoid pump, comprising a driving shaft, wherein a drive gear comprising of a bevel gear is fixed on one end thereof and an inner rotor is penetrated onto the other end thereof, an outer rotor, the center of which is decentered to the inner rotor, wherein both rotors are covered with the cap and the casing, a first regulatory structure, wherein the driving shaft or a means of control fixed on the driving shaft regulates an one-way movement to the casing, a second regulatory structure, wherein an end face on the other side of the driving shaft is engaged with one end of the cap and regulates the other way movement of the cap, wherein the thrust of the driving shaft is axially regulated by the first regulatory structure and by the second regulatory structure.

Abstract: A yoke 1 for universal joint of the present invention comprises: an insertion portion 11 which is formed in cylindrical shape opening along an axial direction of a rotating shaft and into which the one end side of the rotating shaft is inserted; a first tightening portion 13 and the second tightening portion 14 being a pair of tightening portions 12 which is extended from the insertion portion 11 so as to face each other with the opening of the insertion portion 11 between them; and a bolt 16 and nut 17 for tightening the pair of tightening portions 12 from either outside thereof, and the pair of tightening portions 12 is tightened, thereby the rotating shaft inserted into the insertion portion 11 is held and fixed. The bolt 16 is inserted into a through hole 13a of the first tightening portion 13.

Abstract: Provided are a power transmission shaft (shaft) which can achieve cost reduction by reducing a raw material diameter, and thus reducing a material cost and a lathing cost, and an assembly unit using the power transmission shaft. The power transmission shaft includes: a male spline (31) provided at an end portion of the power transmission shaft; an engagement large diameter portion (37) for preventing the power transmission shaft from being pushed in an axial direction of the power transmission shaft under a state in which the male spline (31) is fitted to a female spline (45) of another member; and a boot groove (33) for mounting a boot. When an outer dimension of the engagement large diameter portion (37) is denoted by D2, a maximum outer dimension of the male spline (45) is denoted by D1, and an outer dimension of a boot mount portion (32) provided with the boot groove (33) is denoted by D4, relationships D2<D1 and D2=D4 are established.

Abstract: In a shock absorbing propeller shaft apparatus for a motor vehicle, a stop ring is fitted to an annular groove provided in an outer periphery of an inner shaft end close to a base end with respect to a portion to which an inner race of a constant velocity joint in the inner shaft end is fitted, a collar main body of a collar is inserted to an outer periphery between a portion to which the inner race of the constant velocity joint in the inner shaft end is fitted and a portion to which the stop ring is fitted, in the outer periphery of the inner shaft end, and a flange portion protruding out in an axial direction from an outer diameter side of one end of the collar main body is attached to cover an outer periphery of the stop ring.

Abstract: Methods and apparatus are provided for assembling a flange joint for use in a driveline. In an exemplary embodiment the apparatus includes a first flange with a first recess. A second flange may be configured to join with the first flange for translating rotational motion between the first flange and the second flange, the second flange having a second recess corresponding in position to the first recess in the first flange. A shear force member may have a first part configured to contact the first recess and a second part opposite the first part configured to contact the second recess, the second part may have an inclined surface. Multiple fasteners may connect the first flange to the second flange such that the inclined surface of the shear force member is held in contact with the second recess.

Abstract: Provided is an ice bank joint. The ice bank joint swiftly delivers rotational force from a motor to a transferring shaft installed inside an ice bank performing a function of transferring ice received inside the ice bank. The ice bank joint includes a plate portion and a reinforcing member. The plate portion has a driving part bent on at least one position, and the reinforcing member has a support part protruding from a position corresponding to the driving part to contact the driving part, thereby reinforcing the plate portion.

Abstract: A progressing cavity pump/motor includes a stator tube (12), a rotor (20) within the stator tube, and a coupling assembly (30) interconnecting the upper and lower rotor sections. The coupling includes a drive adapter (32) and a socket adapter (36) for transmitting torque between the upper and lower rotor sections, and at least one alignment surface (60) in cooperation with a mating surface to rotationally position the drive adapter within the socket adapter at a selected circumferential position. The pump/motor may be reliably assembled in the field while maintaining precise axial and rotational positioning of the rotor sections.

Abstract: A power transmitting shaft includes a coupling member, a cylindrical intermediate member, a tube member and an increased diameter portion. The coupling member connects to a counterpart. The cylindrical intermediate member is on a side of one end of the coupling member and has a mechanical strength larger than that of the coupling member. The tube member has one end portion connected to either one of an inner circumferential portion of the intermediate member and an outer circumferential portion of the intermediate member. The increased diameter portion is on one end portion of the intermediate member which is opposed to the one end of the coupling member in an axial direction of the power transmitting shaft. The increased diameter portion is connected with the one end of the coupling member in the axial direction.

Abstract: A driveshaft assembly having a tubular shaft, an end component, and an annular anti-fretting spacer is disclosed. The tubular shaft has a first receiving end portion with an opening and an inner diameter, a center portion with an inner diameter, and an interior with an inner surface. The driveshaft end component has an insert end portion and an attachment end portion. The spacer has a first outer diameter that is substantially equal to the receiving end portion inner diameter, a second outer diameter, and an outer surface. At least a portion of the outer surface contacts the shaft inner surface and the spacer is disposed on the insert end portion of the driveshaft end component and the insert end portion, including the spacer, is disposed within the receiving end portion with an interference fit, and the shaft is rigidly coupled to the driveshaft end component.

Abstract: In a device for receiving a multi-part constructional unit of a double coupling in a balancing machine there is provided a receiving mandrel which can be driven in rotation about its longitudinal axis and has a bearing face for centering a first coupling part and a centering pin arranged at the free end thereof. The device also comprises a clamping sleeve which can be moved by spring force into a clamping position and has a clamping face coaxial with the longitudinal axis of the receiving mandrel and a centering ring which is arranged on the centering pin, is held releasably thereon, has a centering face for centering further coupling parts and can be coupled in a torque-proof manner with the receiving mandrel in at least one angle position.

Abstract: A thrust bearing shaft has an enlarged disk at one axial end to provide a rotating surface in a thrust bearing. A first cylindrical portion extends from the disk. A second cylindrical portion has a smaller diameter than the first cylindrical portion and extends from the first cylindrical portion to an end of the thrust shaft remote from the disk. The thrust shaft has a hollow bore with a ledge extending across the bore at a location within the first cylindrical portion. The ledge is formed with a central hole of a first hole diameter, and twelve air holes spaced circumferentially about the central hole. The twelve holes are formed of a second hole diameter, with a ratio of the first hole diameter to the second hole diameter being between 2.55 and 2.71. In addition, a bearing assembly, a compressor, and a method of assembling a compressor are disclosed.

Abstract: A method and an assembly device for producing a rotary joint between a drive element and a flange are defined. The drive element and the flange are screwed together by a nut and a bolt of the drive element. The bolt is drawn axially in to a bore in the flange by the rotation of the nut and until the drive element attains a final position in relation to the flange.

Abstract: A support structure for bolting components of a drive shaft via a mounting member that comprises at least are mounting member of the drive shaft having formed through a bolt hole, a female thread portion which is formed in the mounting member, the bolt having a male thread portion can be screwed into the female thread portion by inserting the bolt into the bolt hole, and a heat-shrinkable tube that is adapted to provide elastic contact at an inner surface of the bolt hole.

Abstract: A connecting arrangement between a shaft journal and a constant velocity rotary joint having a joint inner part and a joint outer part, in which the shaft journal engages in a rotationally fixed manner in one of the joint parts, and the shaft journal and the constant velocity rotary joint are two components. At least one clamping sleeve is provided which is axially secured on one of the components, and which includes at least one elastic element which can lock in place in a contour of the other component.

Abstract: A sleeve supporting structure for an automatic transmission, including a sleeve member disposed on a radial outside of an input shaft, a rotational shaft portion disposed in a motor, an oil pump housing, and a stationary member supporting an outer circumferential surface of the rotational shaft portion and including a projection that projects toward a side of the oil pump. The sleeve member has one axial end portion overlapped with the rotational shaft portion in the radial direction thereof and an opposite axial end portion meshing with an inner gear of the oil pump, and is supported by an inner circumferential surface of the oil pump housing and an inner circumferential surface of the rotational shaft portion. The projection of the stationary member is fitted onto an outer circumferential surface of the oil pump housing so as to form a faucet joint in cooperation therewith.

Abstract: A driveline yoke assembly may include a yoke and a barrel. The yoke may include first and second arms extending from a base. The base may include a first protrusion extending radially therefrom. The barrel may be axially fixed to the yoke and may define an axially extending body having a second protrusion extending radially therefrom and engaged with the first protrusion to transfer rotation from the barrel to the yoke.

Abstract: A sheet transport apparatus includes a transport roller for transporting a sheet to the processing section, a driving motor for driving the transport roller, and a driving transmission mechanism. The driving transmission mechanism includes a rotary shaft, a transmission rotary member having a circular fit hole, a holder member with a press-fit hole having a curved part and a flat part, and a coupling mechanism for coupling the holder member and the transmission rotary member. The rotary shaft includes a fitting part having a circular cross section at one end side to be fitted into the circular fit hole, and a press-fit part having a curved part and a flat part press-fitted with the press-fit hole. The coupling mechanism includes a convex portion formed on a side of the transmission rotary member, and a concave portion formed on a side of the holder member press-fitted with the convex portion.

Abstract: A connecting assembly for use in the propeller shaft of a motor vehicle is disclosed. The connecting assembly comprises a shaft journal with an annular groove; a constant velocity universal joint with an inner joint part which is connected in a rotationally fixed way to the shaft journal for the purpose of transmitting torque; an axial securing ring for the inner joint part, which axial securing ring is positioned in the annular groove of the shaft journal; and a holding ring which is releasably connected to the inner joint part; wherein, in a mounted condition of the inner joint part, the axial securing ring is axially fixed on the shaft journal between a contact face of the inner joint part and the holding ring connected to the inner joint part.

Abstract: An eccentric bottom bracket assembly having a body member, at least two wing members, a wedge driver with two wedge members, and at least one spring member altogether forming a tubular, cylindrical assembly to fit within the inner shell of the bottom bracket area of the bicycle frame for adjusting the chain length or tension. The assembly is preferably used for the front and rear bottom brackets of a tandem bicycle for adjusting the chain that is connected to the front and rear driving sprockets. The assembly is also alternatively used in single-rider bicycles and other bicycles with the need for adjusting chain tension. The assembly allows for the wing members and the body member to circumferentially and outwardly expand or inwardly retract by co-acting with the rotation of the wedge driver which laterally displaces the wedge members in a parallel direction relative to the longitudinal axis of the body member.

Abstract: A connecting arrangement between a shaft journal, which is mounted so as to be axially fixed with respect to a unit, and a joint part which can be pivotably attached to the shaft journal in a rotationally fixed manner. A shaft nut having an internal thread which can be screwed onto an external thread of the shaft journal, is provided with an additional external thread onto which a further nut can be screwed. The further nut includes first and second thread sections with different pitch directions which produce an axially acting interlocking connection between the further nut, the shaft nut and the joint part.

Abstract: Coupling assemblies are provided for maintaining a secure connection between surgical devices utilizing a shaft-and-pinion configuration and powered drive shafts. The coupling assemblies include a clip to be disposed without or within a pinion for receiving and securing a drive shaft member. The coupling assemblies are designed to maximize restriction of movement between the drive shaft and clip, but avoid impeding the rotational motion of a pinion.

Abstract: A stub shaft assembly (30) comprising a stub shaft or axle (14) and a bearing assembly for rotatably supporting the stub shaft or axle (14), the stub shaft or axle (14) having or being connected to a main body having a radially extending body (15) defining inner ball races (16) and a pair of outer members (12) defining outer ball races (22) with ball bearings (13) disposed between the inner and outer ball races (16, 22). In other embodiments the bearings are roller bearings. A conveyor idler roll is also disclosed which comprises a tubular shell mounted to a stub shaft assembly (30) at least at one end.

Abstract: A rotor and shaft assembly for turbomachinery has a polygon shaped drive collar interposed between corresponding polygonal mating surfaces of a drive shaft and a rotor hub. The mating surfaces of the polygon collar, the drive shaft and the rotor hub may be sized both axially and radially for required torque transmission without the need for hub inserts or oversized shafts. The polygon drive collar is manufacturable using standard machine tools such as lathes and end mills that remove metal in a tool path following not more than two axes of simultaneous movement. A shaft end assembly secures the rotor and drive collar to the shaft.