Abstract: A compensating coupling connects a first shaft to a second shaft along an axis of rotation. The compensating coupling has a first coupling body connected to an end of the first shaft and a second coupling body connected to an end of the second shaft. At least one elastic coupling element has a longitudinal axis lying in a plane that is oriented perpendicularly to the axis of rotation. The two coupling bodies are arranged with respect to one another to form a three-dimensional coupling region in which the elastic coupling element is arranged. The elastic coupling element is connected to the two coupling bodies such that the two coupling bodies are displaceable in the radial direction with respect to the axis of rotation. The elastic coupling element is displaceable in the axial direction with respect to the axis of rotation.

Abstract: A coupling device for a vehicle drive is provided, in particular of a rail vehicle drive, comprising at least one first coupling, which has at least one first thread-reinforced joint device, wherein the first thread-reinforced joint device has at least one thread pack, which is embedded into at least one elastic body; the at least one first coupling device has at least one supporting device, which is connected to the first thread-reinforced joint device; the at least one supporting device supports the first thread-reinforced joint device in the radial direction.

Abstract: A radially compliant connection includes an axis, a first plate with a first connection portion, a second plate with a second connection portion, an intermediate plate with third and fourth connection portions, a first flexible element fixed to the first connection portion and to the third connection portion, and a second flexible element fixed to the second connection portion and to the fourth connection portion. In some example embodiments, the first connection portion has a radially inner surface with a first radius, and the second connection portion has a first radially outer surface with a second radius, less than the first radius. In an example embodiment, the third connection portion has a second radially outer surface with a third radius, equal to the second radius, or the fourth connection portion has a third radially outer surface with a fourth radius, equal to the second radius.

Abstract: A package of laminations includes a plurality of lamella segments, which are arranged in layers and embodied to be connected together as ring segments. Each of the lamella segments has a plurality of cutouts and at least one of the lamella segments has at least three cutouts. The lamella segments are interconnected via sleeves. A method for manufacturing a package of laminations, a multi-plate coupling employing the package of laminations and an industrial application using the package of laminations are also described.

Abstract: A link includes an outer composite portion substantially encircling at least two bearing pockets and a central substantially incompressible portion disposed between the at least two bearing pockets.

Abstract: A spindle assembly for conducting transmission error testing between an input pinion with a ring gear of an axle assembly. The spindle assembly includes a spindle, which is rotatably disposed about a spindle axis, a collet assembly, which has a collet that is rotatably disposed about a collet axis, and a compliant coupling that couples the spindle and the collet assembly together for common rotation. The compliant coupling includes a first coupling member, which is fixedly coupled to the spindle, a second coupling member, which is fixedly coupled to the collet assembly, a pivot plate, a pair of first link arms and a pair of second link arms. The opposite ends of each first link arm are pivotably coupled to the first coupling member and the pivot plate. The opposite ends of each second link arm are pivotably coupled to the second coupling member and the pivot plate.

Abstract: A torque converter drive plate, comprising a drive stud that includes a head, and a drive plate that includes a single continuous layer of material extending from a front of the drive plate, around a radial surface of the drive plate, and to a back of the drive plate, wherein the drive stud is secured into a hole of the drive plate, wherein the back of the drive plate covers the head and is in contact with a surface of the head.

Abstract: An apparatus comprising a drivelink comprising a housing including a socket, wherein the socket comprises a cross-sectional area, and a bearing cartridge disposed within the socket, wherein a cross-sectional area of the cartridge is less than the cross-sectional area of the socket. An apparatus comprising a drivelink comprising a housing having a socket, and a bearing cartridge positioned within the socket and comprising a first portion and a second portion, wherein the first portion is configured to undergo compression when a load is applied to the drivelink, and wherein the second portion is configured to not be in tension when the load is applied to the drivelink.

Abstract: An unmanned helicopter includes a drive source, a tail rotor, a shaft unit that transmits a drive force from the drive source to the tail rotor, and an elastic member. The shaft unit includes a drive shaft, a transmission which transmits a drive force from the drive source to the drive shaft, and a transmittal portion that transmits a rotation torque from the drive shaft to the tail rotor. The drive shaft includes a first shaft portion and a second shaft portion. The elastic member is located between the first shaft portion and the second shaft portion.

Abstract: An elastic force transmission device 10 is provided, in particular for transmitting torques, wherein the force transmission element 10 is provided with at least two receiving openings 14, 16 for connection to force transmission components, an elastomer body 12 and at least one loop assembly 26 embedded in the elastomer body 12, wherein the loop assembly has at least two opposite strands 42, 44 and the force transmission element 10 has at least one pressure absorption device 28, 30, 36, 38. According to the invention, it is provided that the at least one pressure absorption device 28, 30, 36, 38 is arranged in a region between the opposite strands 42, 44 of the loop assembly 26, in which region the opposite strands 42, 44 of the loop assembly 26 are at the maximum distance A from each other, wherein the at least one pressure absorption device 28, 30, 36, 38 is designed in such a manner that the rigidity of the force transmission element 10 progressively increases in the event of a tensile loading.

Abstract: An aircraft component has an exterior surface and a protective nanocoating carried by the exterior surface. An aircraft has an engine, a fuselage, and a component having an exterior surface and a protective nano coating carried by the exterior surface. A method of protecting an aircraft component includes selecting at least one harmful environmental component and applying a protective nanocoating to the aircraft component, wherein the protective nanocoating is configured to protect the aircraft component from the selected harmful environmental component.

Abstract: A resilient joint member for a shaft arrangement is provided including a plurality of bushings arranged at predetermined angular intervals in the peripheral direction in relation to a center axis of the joint member, a plurality of loop bundles which loop around respectively two adjacent bushings, each bushing has at least two loop bundles looped around it, an elastic sheath in which the loop bundles and the bushings are at least partly embedded. The bushings have an axial tubular section around which there loop the loop bundles associated with the bushing and on which, at least at an axial end region. A collar element is arranged for axial support of one of the loop bundles at the axial end region and includes a support section that runs substantially radially with respect to the tubular section, and a fixing section is in contact with the tubular section.

Abstract: An apparatus comprising a drivelink comprising a housing including a socket, wherein the socket comprises a cross-sectional area, and a bearing cartridge disposed within the socket, wherein a cross-sectional area of the cartridge is less than the cross-sectional area of the socket. An apparatus comprising a drivelink comprising a housing having a socket, and a bearing cartridge positioned within the socket and comprising a first portion and a second portion, wherein the first portion is configured to undergo compression when a load is applied to the drivelink, and wherein the second portion is configured to not be in tension when the load is applied to the drivelink.

Abstract: A drilling tool that has a flexible shaft so as to be able to make short radius curves while still being able to transmit torque and axial loads. The drilling tool includes a drill shaft for transmitting axial load, comprising a series of coaxial ring members connected together such that adjacent ring members are flexible in an axial plane relative to each other; each ring member being connected to an adjacent ring member by connecting member arranged to transmit torque therebetween; and axial supports extend between adjacent ring members so as to transmit axial loads therebetween.

Abstract: An elastic joint body for a shaft arrangement, for the articulated connection of two shaft sections, including a plurality of bushes which are arranged at predetermined angular intervals in the peripheral direction with respect to a central axis of the joint body, a plurality of sets of loops, each set of loops wraps around two adjacent bushes, wherein the bushes and sets of loops are arranged in such a way that a central aperture which extends through the joint body in the direction of the central axis of the latter is formed in the joint body, and at least one gate land on at least one peripheral face that extends in the axial direction, and wherein the bushes and the sets of loops are sheathed, at least partially, with a rubbery-elastic sheathing, starting from the at least one gate land.

Abstract: The present invention relates to an elastic force transmission device 10, in particular for transmitting torques, wherein the force transmission element 10 is provided with at least two receiving openings 14, 16 for connection to force transmission components, an elastomer body 12 and at least one loop assembly 26 embedded in the elastomer body 12, wherein the loop assembly has at least two opposite strands 42, 44 and the force transmission element 10 has at least one pressure absorption device 28, 30, 36, 38.

Abstract: A clutch device for connecting a driving machine part to a driven machine part comprises an elastomeric clutch which is arranged on a first drive-side or output-side end section of the clutch device. A tooth clutch is arranged on a second output-side or drive-side end section of the clutch device. Moreover, an intermediate shaft which connects the elastomeric clutch to the tooth clutch is provided. Moreover, the tooth clutch and the elastomeric clutch have restoring forces which are adapted to one another in such a way that, in the case of a radial displacement, the clutch device has both central running and axial offset compensation.

Abstract: The present disclosure relates to a method for producing a resilient force-transmitting member, in particular for transmitting torques for example in a motor vehicle or in an industrial application, wherein the force-transmitting member is provided with at least two receiving openings for connecting to force-transmitting components, an elastomer body and at least one inlay loop embedded in the elastomer body. The method includes positioning the at least one inlay loop in a predetermined desired position in a mould, providing at least one venting mandrel in the mould one free end of which is in contact with the inlay loop, injecting elastomer material into the mould, removing the at least one venting mandrel and vulcanising the elastomer body.

Abstract: An elastic joint body for a shaft arrangement for connecting two shaft portions in an articulated manner includes a plurality of bushings, a primary loop bundle, a support device, and an elastomeric casing. The primary loop bundle loops a bushing pair consisting of two adjacent bushings. The bushing pair being loadable in tension in the event of a torque transfer via the shaft portions. The support device is arranged on at least one bushing for axially guiding the primary loop bundle. The loop bundle, the support devices, and the bushings are at least partly embedded into the elastomeric casing. The adjacent bushings of at least some of the bushing pairs are connected to each other in a force-transmitting manner via at least one additional loop bundle, the at least one additional bundle being arranged in the elastomeric casing in a region in which none of the primary loop bundles extend.

Abstract: The invention among other things relates to a coupling (10, 10a, 10b) for transmitting torques from a drive element (11, 11b) to a driven element (12, 12a, 12b), wherein the coupling comprises a drive-side connector (13), such as a flange, with a plurality of drive-side fastener (15a, 15b, 15c), which are arranged about a drive-side axis of rotation (17) which is assigned to the drive-side connector and which comprises a load-side connector (14), such as a flange, with a plurality of load-side fastener (16a, 16b, 16c), and with connecting elements (19, 19a, 19b, 19c), such as links, which on the one hand are arranged on one hand on a drive-side fastener and on the other hand on a load-side fastener by means of a articulation joint (20).

Abstract: An elastic joint body for a shaft arrangement for the articulated connection of two shaft sections includes a plurality of bushings disposed in the circumferential direction at predetermined angular distances relative to a central axis of the joint body, a plurality of loop bundles, and a rubber elastic casing. Each loop bundle loops around two adjacent bushings and each bushing is looped by at least two of the plurality of loop bundles. Each of the plurality of bushings is provided with a plurality of bushing components. A first bushing component has an axial shaft section against which one of the loop bundles rests and wherein a second bushing component has a radial collar section against which the loop bundle rests. The first bushing component rests, without fixing, against the second bushing component in a contact zone offset relative to the loop bundle in the axial direction.

Abstract: The present disclosure relates to an elastic joint body for a shaft arrangement for connecting two shaft portions in an articulated manner, comprising a plurality of bushings, at least one primary loop bundle, each of which loops a bushing pair consisting of two adjacent bushings, the pair being loadable in tension in the event of a torque transfer via the shaft portions, a support device arranged on at least one bushing for axially guiding the primary loop bundle, and an elastomeric casing into which the loop bundle, the support devices, and the bushings are at least partly embedded. The adjacent bushings of at least some of the bushing pairs are connected to each other in a force-transmitting manner via at least one additional loop bundle, the at least one additional bundle being arranged in the elastomeric casing in a region in which none of the primary loop bundles extend.

Abstract: An elastic joint body for a shaft arrangement for the articulated connection of two shaft sections, comprising a plurality of bushes (12) disposed in circumferential direction at predetermined angular distances in relation to a center line of the joint body, a plurality of loop assemblies (22, 24, 26), wherein each loop assembly (22, 24, 26) is looped around in each case two adjacent bushes (12) and at least two loop assemblies (22, 24, 26) are looped around each bush (12), a support device (10) that is disposed for axially guiding the plurality of loop assemblies (22, 24, 26) on at least one of the bushes, and a rubber-elastic sheath, into which the loop assemblies (22, 24, 26), the support device (10) and the bushes (12) are at least partially embedded.

Abstract: An elastic joint body for the articulated connection of two shaft sections includes a plurality of bushings arranged in the circumferential direction in predetermined angular intervals with respect to a center axis of the joint body, a plurality of loop packets wrapping around two adjacent bushings each, and a rubber-elastic casing at least partially embedding the loop packets and the bushings. In order to prolong the service life of such a joint body and to avoid undesired frictional effects between adjacent loop packets, one support arrangement is at least partially embedded in the rubber-elastic casing, with the support arrangement supporting at least part of a loop packet between adjacent bushings.

Abstract: The disclosure relates to an elastic joint body for a shaft arrangement for the articulated connection of two shaft sections, including a plurality of bushings disposed in the circumferential direction at predetermined angular distances relative to a central axis of the joint body, a plurality of loop bundles, wherein each loops around two adjacent bushings, and each bushing is looped by at least two loop bundles, and a rubber elastic casing, wherein the bushings are provided with a plurality of bushing components, and wherein a first bushing component has an axial shaft section against which one of the loop bundles rests, and wherein a second bushing component has a radial collar section against which the loop bundle rests. The first bushing component rests, without fixing, against the second bushing component in a contact zone offset relative to the loop bundle in the axial direction.

Abstract: An elastic joint body for a shaft arrangement for the articulated connection of two shaft sections is provided, with a plurality of bushings arranged in the circumferential direction at predetermined angular distances with respect to a center axis of the joint body, a plurality of loop bundles, each loop bundle looping around in each case two adjacent bushings, and a rubber-elastic casing in which the loop bundles and the bushings are at least partially embedded. A flange is provided at least one end region on at least one of the bushings for the axial support of an adjacent loop bundle, encircling the bushing, being at least partially embedded in the rubber-elastic casing and having a U-shaped cross-section, as viewed in the axis-containing section, the cross-section being designed with two U longitudinal limbs and one U transverse limb, the flange bearing with a U longitudinal limb against the bushing.

Abstract: A shaft arrangement for the articulated connection of two shaft sections is provided, having a plurality of bushings which are arranged in the circumferential direction in predetermined angular distances with respect to a centre axis M of the joint body, a plurality of loop bundles, with each loop bundle looping around two neighbouring bushings and each bushing being looped around by at least two loop bundles, one of which may be subjected to a tensile load in the case of a torque transmission via the shaft sections, and the other one may be subjected to a thrust load, a support device which is arranged on at least one bushing for axially guiding the plurality of the loop bundles, and a rubber-elastic casing into which the loop bundles, the support devices and the bushings are at least partially embedded.

Abstract: A torque transmission device includes a shaft, particularly a drive shaft for a drive train of a vehicle, and at least one coupling element which is connected with an end of the shaft. The shaft and the at least one coupling element each consists completely or at least partly of a fiber-reinforced plastic material.

Abstract: A steering coupling support device for use in combination with a standard elastic steering coupling in a vehicle. The device features a generally flat disc having a top surface and a bottom surface. A center aperture is disposed in a center of the disc, and four outer apertures are disposed in the disk outside the center aperture in a symmetrical manner. The steering coupling support device is constructed from a metal.

Abstract: A damper device having: an input member into which a rotary drive force is inputted; an output member which rotates in accordance with the inputted rotary drive force; a columnar viscoelastic member provided between the input member and the output member; a driving-side pressing member which is attached to the input member and which applies a pressing force on one end surface of the viscoelastic member in accordance with the inputted drive force; a passive-side pressing member which is attached to the output member and which receives a pressing force from the other end surface of the viscoelastic member; a first supporting member which supports the driving-side pressing member such that the driving-side pressing member can turn freely relative to the input member; and a second supporting member which supports the passive-side pressing member such that the passive-side pressing member can turn freely relative to the output member.

Abstract: A flexible coupling includes: spool members disposed equidistantly on a circumference; torque transmission lines disposed around adjacent pairs of the spool members; and an annular elastic body in which the spool members and the torque transmission lines are embedded. The torque transmission lines consist of first torque transmission lines, and second torque transmission lines whose total sum of cross-sectional area is a half of that of the first torque transmission lines. The flexible coupling is constructed so that the first torque transmission lines transmit positive torque and the second torque transmission lines transmit negative torque, and is incorporated into a vehicle motive power transmission apparatus that has a hypoid gear whose mesh transmission error is greater during transmission of negative torque than during transmission of positive torque.

Abstract: A generator assembly (6) includes a crankshaft (10), an accessory pulley drive shaft (36) operatively coupled to the crankshaft (10), and a flexible drive coupling member (40) operatively coupling the accessory pulley drive shaft (36) and the crank shaft (10). The flexible drive coupling member (40) includes a plurality of flex drive rings (64-66) that are configured to transmit torque from the crankshaft (10) to the accessory pulley drive shaft (36) with substantially no torsional deflection while allowing the accessory pulley drive shaft (36) to deflect radially under radial load and deflect axially under axial load in order to accommodate misalignment of the accessory pulley drive shaft (36).

Abstract: A drilling tool that has a flexible shaft so as to be able to make short radius curves while still being able to transmit torque and axial loads. The drilling tool includes a drill shaft for transmitting axial load, comprising a series of coaxial ring members connected together such that adjacent ring members are flexible in an axial plane relative to each other; each ring member being connected to an adjacent ring member by connecting member arranged to transmit torque therebetween; and axial supports extend between adjacent ring members so as to transmit axial loads therebetween.

Abstract: A drilling tool that has a flexible shaft so as to be able to make short radius curves while still being able to transmit torque and axial loads. The drilling tool includes a drill shaft for transmitting axial load, comprising a series of coaxial ring members connected together such that adjacent ring members are flexible in an axial plane relative to each other, each ring member being connected to an adjacent ring member by connecting member arranged to transmit torque therebetween; and axial supports extend between adjacent ring members so as to transmit axial loads therebetween.

Abstract: An elastic joint member (10) with at least one set of loops (12) and at least two bushes (14), which extend transversely through the set of loops (12), collars (16), which are fastened to a respective bush end (22) in order to axially support the set of loops (12) on the relevant bush (14), and an elastomeric envelope (18), in which the set of loops (12) and the bushes (14) are embedded at least in part. Also according to the invention, the areas of the bushes (14) which are left free by the collars (16) and embedded in the envelope (18) are smooth, and the collars (16) are locked onto the associated bush (14) with a clearance which is such that the bush is rotatable within the collars, while these are connected in a fixed manner to the envelope (18).

Abstract: A generator assembly (6) includes a crankshaft (10), an accessory pulley drive shaft (36) operatively coupled to the crankshaft (10), and a flexible drive coupling member (40) operatively coupling the accessory pulley drive shaft (36) and the crankshaft (10). The flexible drive coupling member (40) includes a plurality of flex drive rings (64-66) that are configured to transmit torque from the crankshaft (10) to the accessory pulley drive shaft (36) with substantially no torsional deflection while allowing the accessory pulley drive shaft (36) to deflect radially under radial load and deflect axially under axial load in order to accommodate misalignment of the accessory pulley drive shaft (36).

Abstract: A drive plate for a torque converter including first and second plates operatively arranged to be attached to a torque converter and a drive unit. In another embodiment, each of the first and second plates further includes at least one first opening and at least one second opening operatively arranged to receive a first and second fastener, respectively. In yet another embodiment, the drive plate includes a plurality of component plates operatively arranged to be attached to a torque converter and a drive unit.

Abstract: A diaphragm coupling having first and second diaphragm plates that are joined together around their outer edges. Each diaphragm plate has a central, axially-extending hub. The hub of the first plate supports within it a pin member having an outwardly projecting shoulder at each end adapted to engage an internal shoulder on the hub of the first plate at one end and an internal shoulder on the hub of the second plate at the other end so as to limit axial separation of the two hubs—from one another.

Abstract: A flexible coupling capable of transmitting moments and comprising a first member having a longitudinal axis (30) connected by at least three joints (27) to a second member (41) having a longitudinal axis substantially aligned with the longitudinal axis of the first member, the joints being circumferentially spaced apart about said axis, each joint comprising a first part (27) on one of the members and a second part (31) on the other member, the parts of each joint interfitting so that moments can be transmitted between said members by the joints and so that relative sliding and rotational movement can take place between the parts of teach joint, the joint parts on at least one of the members being flexibly arranged (41) so that the members may articulate relative to one another.

Abstract: A compact heavy duty double universal joint is disclosed. The joint comprises a torque coupler having an interior bore and a pair of bosses adjacent each end, a pair of collars pivotally connect to the bosses, a pair of yokes pivotally connect to the collars and a centering rod assembly in the bore of the coupler. The centering rod assembly is operable, when the operating angle of the joint is not zero, to position the torque coupler so that it splits the operating angle of the universal joint.

Abstract: A manipulator includes a working unit comprising an operation command unit, horizontal roller and vertical rollers mounted thereon, drive pulleys rotatable in response to operation of the horizontal roller and the vertical roller, a connector, a first rotational axis disposed on a distal end of the connector, a second rotational axis extending perpendicularly to the first rotational axis, tubular members rotatably supported on a shaft providing the first rotational axis, and wires having rear and front portions trained around the drive pulleys and the tubular members, respectively. A drive mechanism operates about the first rotational axis in response to rotation of the tubular member, and an end effector operates about the second rotational axis in response to rotation of the tubular member.

Abstract: A flexible coupling is provided with a plurality of drive side connection elements (10A) and driven side connection elements (10B) arranged alternately in a circumferential direction, a drive side bobbin (11A) and a driven side bobbin (11B) outward inserted to the respective connection elements (10A, 10B) in a loose fit state, first and second connection bands (20, 30) wound in a loop shape around the drive side bobbin (11A) and the adjacent driven side bobbin (11B), and alternately arranged in the circumferential direction, and an annular elastic body (40) formed in a state that the bobbins (11A, 11B) and the connection bands (20, 30) are buried, the bobbins (11A, 11B) being made of a synthetic resin material, and a lubricant being filled in a fitting gap (G) between the connection elements (10A, 10B) and the bobbins (11A, 11B).

Abstract: A mounting structure of a shaft to be tested (the propeller shaft) to a balancer discloses: a centering shaft provided on a center axis of the mounting surface plate which can be fitted to a bearing provided on a center axis of the flexible coupling, wherein the flexible coupling and the mounting surface plate can be faucet connected by one of a plurality of bolt mounting portions provided at a plurality of positions in a peripheral direction of the flexible coupling.

Abstract: An elastomeric coupling for a rotating shaft includes a driving yoke, a driven yoke, and a substantially circular elastomeric body having a circumferential face and first and second sets of bushings within the elastomeric body. The bushings have threaded openings exposed at the circumferential face. A plurality of fasteners secures the driving yoke to the first set of bushings and secures the driven yoke to the second set of bushings. A plurality of tensile members are located within the elastomeric body, with the tensile members connecting the first set of bushings to the second set of bushings.

Abstract: A flexible coupling is provided to connect a flange on a drive shaft to a flange on a driven shaft. Circumferentially spaced fastening means provide bores through the coupling through which bolts can be passed to connect it alternately to the one and then the other flange. Adjacent fastening means are interconnected by link and washers are positioned at opposite ends of the stack of links at each fastening means. In accordance with the invention the washers are formed with peripheral grooves which will be entered by the plastics material forming the body of the coupling, thus locking the washers against being expelled when bolts are subsequently passed through the bores.

Abstract: In order to make it possible to improve a durability of a cord wound around a connection element and to downsize a cord wound portion, in an elastic coupling structured such that connection elements connected to a drive side yoke and connection elements connected to a driven side yoke are alternately arranged on a circumference, cords are wound around each of the mutually adjacent connection elements so as to form a band shape, and the connection elements and the cords are coated by an elastic material. A single yarn having a twist number of 10 times per 10 cm or less is used as the cords.

Abstract: An elastic coupling, wherein drive side and driven side collars can be press fitted easily, securely and firmly to inner cylinder members with a sufficient interference and which can be used without a danger of axial deviation or disconnection and can be enhanced in durability and reliability. It comprises drive side collars and driven side collars arranged equidistantly on a concentric circle and alternately; belt-like fiber bundles wrapping around adjacent collars; and an elastic material embedding the collars and the belt-like bundles. Cylindrical parts of the collars are integrally formed, on outer peripheries thereof with plural flange parts for holding the belt-like bundles and fitted to inner cylinder members. A central area of each of the inner peripheries of cylindrical parts is formed as a radially expanded portion from the other portion.

Abstract: An elastic coupling, wherein drive side and driven side collars can be press fitted easily, securely and firmly to inner cylinder members with a sufficient interference and which can be used without a danger of axial deviation or disconnection and can be enhanced in durability and reliability. It comprises drive side collars and driven side collars arranged equidistantly on a concentric circle and alternately; belt-like fiber bundles wrapping around adjacent collars; and an elastic material embedding the collars and the belt-like bundles. Cylindrical parts of the collars are integrally formed, on outer peripheries thereof with plural flange parts for holding the belt-like bundles and fitted to inner cylinder members. A central area of each of the inner peripheries of cylindrical parts is formed as a radially expanded portion from the other portion.

Abstract: A mounting structure of a shaft to be tested (the propeller shaft) to a balancer discloses: a centering shaft provided on a center axis of the mounting surface plate which can be fitted to a bearing provided on a center axis of the flexible coupling, wherein the flexible coupling and the mounting surface plate can be faucet connected by one of a plurality of bolt mounting portions provided at a plurality of positions in a peripheral direction of the flexible coupling.

Abstract: A flexible annular coupling made of composite material and an even number of relatively thicker fixing portions (10) spaced apart circumferentially around the coupling for connection to two rotary members to be coupled by the coupling and a flexible leaf (11) extending lengthwise between each two adjacent fixing portions. Each leaf includes a relatively thinner central part (11a) and a transition portion (13) of gradually increasing thickness between the ends of the central part and the thicker fixing portions. The coupling is constructed such that the central part (11a) of at least each circumferentially alternate leaf will always be displaced axially in the same predetermined direction (A) transverse to its length when the leaf is caused to buckle by compressive force(s) acting between the fixing portions at the ends of the leaf. The displacement may be obtained by curving the central part, by suitably shaping the transitional portions or by making the central part of two layers of different stiffness.