Abstract: A drive arrangement for a motor vehicle includes a drive shaft, a coupling device, and a coupling arrangement. The drive shaft is connectable with the coupling device for transmission of force solely via the coupling arrangement. The coupling arrangement has a first toothing arrangement connectable with the drive shaft so that the first toothing arrangement is fixed with respect to rotation relative to the drive shaft and a second toothing arrangement connectable with the coupling device so that the second toothing arrangement is fixed with respect to rotation relative to coupling device. The first toothing arrangement and second toothing arrangement engage when the drive shaft and coupling device are coupled together for transmission of force.

Abstract: A drive line apparatus has a pair of tubular shafts configured to fit telescopically. The outer shaft has internal splines and the inner shaft has outer splines so that the shafts rotate in unison. Each of the outer and inner shaft has one partially closed end for coupling to a universal joint, wherein the joint connected to the partially closed end of the inner shaft is disposed within the inner shaft for further reducing the length of the drive line apparatus.

Abstract: An annular disk for flexible shaft couplings is described, whose two coupling halves each exhibiting a connection flange are connected to each other via a packet of such annular disks in a torsionally rigid manner, but in such a way as to enable their axial and angular movement. The annular disk has four attachment holes uniformly distributed on a shared hole circle, wherein the section is tapered between two adjacent attachment holes.

Abstract: A torsional vibration damper for incorporation into the torque transmission path between two components or subassemblies, especially for a hydrodynamic coupling device, includes at least two disk-like damper members. Each damper member has a radially outward coupling region and a radially inward coupling region, and at least one deformation region extending between the radially outward coupling region and the radially inward coupling region. Each deformation region is elastically deformable at least in some areas to permit a relative circumferential movement between the radially outward coupling region and the radially inward coupling region.

Abstract: A coupling for coupling first and second shafts is described. The coupling comprises an annular unit including a plurality of annular metal plates which are put on one another, a first group of bolt bores formed through the annular unit, a second group of bolt bores formed through the annular unit, a first group of bolts and nuts which are incorporated with the first group of bolt bores to fix the annular metal plates, a second group of bolts and nuts which are incorporated with the second group of bolt bores to fix the annular metal plates, a first yoke which connects the first shaft to the first group of bolts and nuts, and a second yoke which connects the second shaft to the second group of bolts and nuts. A stopper structure is further provided by which every mutually contacting portions of the annular metal plates are suppressed from making a relative displacement therebetween.

Abstract: An annular disk for flexible shaft couplings is described, whose two coupling halves each exhibiting a connection flange are connected to each other via a packet of such annular disks in a torsionally rigid manner, but in such a way as to enable their axial and angular movement. The annular disk has four attachment holes uniformly distributed on a shared hole circle, wherein the section is tapered between two adjacent attachment holes. The annular disk according to the invention satisfies the following size ratios: Dt/D1=10 to 12, D2/Dt=1.1 to 1.2, Dt/B1=9 to 16, and B2/Dt=0.88 to 0.93, wherein Dt is the diameter of the hole circle, D1 is the diameter of the respective attachment hole, D2 is the largest outside diameter of the annular disk, B1 is the width of the narrowest part of the annular disk section between two consecutive attachment holes, and B2 is the width of the annular disk outer contour.

Abstract: A flexible all-steel shaft coupling includes two connecting flanges (1, 2) and an intermediate piece (3, 3′) arranged between the connecting flanges, with a disk ring (4, 5) being arranged between each of the two connecting flanges and the intermediate piece; said disk ring being connected alternately to the respective connecting flange and the intermediate piece, by means of circumferentially-distributed studs (6, 7, 7′) and tension sleeves (8, 9), each comprising a radially protruding end stop, (13, 14), as well as spacer rings (10) held on the tension sleeves, so that the connecting flanges are interconnected so as to be torsionally rigid but with angular movement and axial movement; with each of the studs (6) connected to the connecting flanges being associated with only a single tension sleeve.

Abstract: In order to provide a universal joint suitable as a small diameter joint capable of transmitting a large torque and having a high rotational precision and a high durability at a low cost, the universal joint is a kind of spring ring joints coupling a driven shaft with a driving shaft, for which an angle formed by their axis lines is not great, constructed so as to deal with deviations of the axis lines with respect to each other, owing to the fact that thin bending plates made of glass fiber reinforced polyimide bend. Linking boss portions supporting the bending plates and an intermediate disk are made of a high duty aluminium alloy for elongation having a high tenacity by die cast. A part of the linking boss portions and the intermediate disk is formed as protruding arbors for caulking and the bending plates are jointed directly therewith by caulking.

Abstract: A coupling for coupling first and second shafts is described. The coupling comprises an annular unit including a plurality of annular metal plates which are put on one another, a first group of bolt bores formed through the annular unit, a second group of bolt bores formed through the annular unit, a first group of bolts and nuts which are incorporated with the first group of bolt bores to fix the annular metal plates, a second group of bolts and nuts which are incorporated with the second group of bolt bores to fix the annular metal plates, a first yoke which connects the first shaft to the first group of bolts and nuts, and a second yoke which connects the second shaft to the second group of bolts and nuts. A stopper structure is further provided by which every mutually contacting portions of the annular metal plates are suppressed from making a relative displacement therebetween.

Abstract: A drive shaft for transmitting an engine revolution to a rear axle of a motor vehicle comprises, a first shaft comprising a first yoke fixed to an end of the first shaft, a second shaft comprising a second yoke fixed to an end of the second shaft. The second yoke being made of a metal plate by press-forming. A coupling is provided between the first yoke and the second yoke, the coupling having a high-rigidity in a rotating direction of the drive shaft and having an elasticity in an axial direction of the drive shaft.

Abstract: Described is a flexible all-steel shaft coupling comprising two connecting flanges (1, 2) and an intermediate piece (3, 3′) arranged between the connecting flanges, with a disk ring (4, 5) being arranged between each of the two connecting flanges and the intermediate piece; said disk ring being connected alternately to the respective connecting flange and the intermediate piece, by means of circumferentially-distributed studs (6, 7, 7′) and tension sleeves (8, 9), each comprising a radially protruding end stop (13, 14), as well as spacer rings (10) held on the tension sleeves, so that the connecting flanges are interconnected so as to be torsionally rigid but with angular movement and axial movement; with each of the studs (6) connected to the connecting flanges being associated with only a single tension sleeve.

Abstract: An elastic coupling for connecting a control element to a component which is to be adjusted by means of the control element, for example a flap-adjusting means of a heating system of a motor vehicle, has two discs which are axially spaced from each other. The disc has at least one radial slot in which the other disc engages with an axially oriented, elastic finger.

Abstract: A flexible coupling for use in connecting a vehicle's drive shaft to a vehicle's wheel flange. The coupling includes first and second flexible disc members with opposed portions of the first flexible disc member rigidly connected to each other and to opposed portions on the second flexible disc member.

Abstract: A flexible coupling for flexibly connecting two rotary drive shafts includes a first coupling flange connected to the first shaft, a second coupling flange connected to the second shaft, a flexible disk arranged between the two coupling flanges, and four connector bolts that respectively connect the two flanges to the flexible disk. A first pair of the bolts is securely connected to the first flange and to the flexible disk, while passing with free play through a clearance hole in the second flange. A second pair of the bolts is securely connected to the second flange and to the flexible disk, while passing with free play through a clearance hole in the first flange. In ordinary operation, the connection and force transmission between the coupling flanges is carried out through the flexible disk.

Abstract: A constant velocity flexible coupling for direct drive to the wheels of a low speed light duty wheeled vehicle or 4-wheel drive steer lawn tractor having discs which flexibly couple a drive shaft to a wheel flange.

Abstract: A flexible coupling for connecting a driving shaft and a driven shaft, the coupling including a first hub connected to the driving shaft, a second hub connected to the driven shaft, a set of flex elements located between the first hub and the second hub, a plurality of fasteners, and a series of bolt holes and clearance holes in the first and second hubs affording the alternative connection of the first and second hubs, the flex elements and the fasteners in a first arrangement wherein the coupling has a biased torque transmission capacity in a first direction of rotation and in a second arrangement wherein the coupling has a biased torque transmission capacity in a second direction of rotation.

Abstract: A coupling is disclosed having an interference fit between its diaphragms and the spacer tube wherein the diaphragm bore and the spacer tube shaft end have mating polygonal shapes. In a preferred embodiment, the polygonal shapes are rounded, with rounded edges and comers to eliminate stress points. Localized stress areas are virtually eliminated because of the lack of concavities in the shaft end. The contact area between the diaphragm and the spacer tube thus increase the torque capacity of the coupling and eliminate fretting associated with splined joints. The coupling may be made utilizing either metallic or nonmetallic parts without loss of integrity. A method of assembling and disassembling the joint using thermal processes is also disclosed. The shaft ends are machined with the polygonal shapes and form shoulders with the central area of the shaft to serve as stops when joining the diaphragms to the shaft.

Abstract: The dry coupling includes a typical shaft to shaft coupling, conformed to body the invention by inclusion of two hub parts (4) with hub flanges (5,5') bonded thereunto and also an intermediate tube (6) interconnecting the flanges with respective flanges (7), each forming a membrane. For transmitting a torque the flanges are coupled to adjacent hub flanges (5). It is important that all parts (4,5;6,7) possibly except connecting elements (8) consist of a high modulus fiber reinforced material (FVW). Preferably the hubs consist of a carbon fiber reinforced material (CFK) and the intermediate tube of a more flexible GFK.

Abstract: A torsionally stiff, flexible shaft coupling, an all-steel shaft coupling for transmitting torques between shafts. Shafts with mutually offset axes, having one or two packs of plates (5) which are places on clamping bushes (6) and are clamped on the latter, by a ring (4) in each case, against an end collar (6b) of the clamping bushes (6), the packs of plates (5) being clamped, by screws (2, 7) extending through the clamping bushes (6), alternately in the circumferential direction using the mutually opposite flanges (1a, 8a) of hubs (1, 8) to be coupled to one another, which of packs of plates, in order to achieve the object of increasing the displacement capability of the plates and thus simplifying the assembly and increasing the operational reliability, comprise a circumferential relief groove (4a) and (6a) in each of the rings (4) and/or the collars (6b) of the clamping bushes (6).

Abstract: A clutch disc is constructed to achieve superior performance by increasing the allowable torque or the angle of torsion of the damper plate. The clutch disc includes a clutch hub, a disc spring, and the damper plate interposed between the clutch hub and the disc spring. The damper plate is provided with an arc-like slit. In a portion of the slit proximate to the end of the slit at the peripheral or the inner peripheral side of the damper plate, the slit is centrifugally curved or curved toward the clutch axis such that both ends thereof are close to a radius of a concentric circle. According to another aspect of the invention, the damper plate is provided with a plurality of first rivets and a plurality of first rivet holes. The radii of the first rivet holes gradually decrease as the distance between the clutch axis and each hole decreases, whereas the radii increase gradually as the distance between the clutch axis and each hole increases.

Abstract: A vibration reducer for a diaphragm coupling is capable of suppressing axial vibrations as well as torsional vibrations. A diaphragm pack 3 is mounted between a diaphragm mount flange 2 provided on an intermediate shaft 1 serving as a drive shaft and a shaft flange 4 of another shaft serving as a driven shaft. An elastic arm 5 extends through the diaphragm pack 3 and is mounted to the diaphragm mount flange 2. The elastic arm 5 is a cylindrical member, whose circumferential portion is severed by slits formed by wire-cutting. Free ends 5a of the elastic arm 5 are expanded in the radial directions by centrifugal forces caused by rotation of a shafts and come into pressure-contact with the liner member 8 formed integrally within a cylindrical portion 7 of the shaft flange 4. A part of a torque is thereby transmitted via the pressure-contact portion, and rigidity in the axial direction of the elastic arm 5 is added to that of the diaphragm pack 3 to suppress vibrations.

Abstract: Leaf spring members (12a through 12d, 14a through 14d, 16a through 16d, 18a through 18d) are disposed on the rear surfaces of a driving side flange portion (2) and a driven side flange portion (4). One end of each leaf spring member taken in a circumferential direction is mounted to the flange portions (2, 4), and the other end is interconnected to the other end of the adjacent leaf spring member. At positions of the flange portions (2, 4) which correspond to a portion for interconnecting these leaf springs, hole portions (7a through 7d, 9a through 9d) are provided, the hole portions (7a through 7d) and the hole portions (9a through 9d) being each disposed at the corresponding position. Torque transmitting rods (10a through 10d) are disposed passing with an allowance through the corresponding hole portions, and to both ends of the torque transmitting rods, interconnecting portions of the leaf spring members of the driving and driven side are each mounted.

Abstract: The shaft coupling has a pair of parallel sheetmetal membranes which are fixed together at their outer periphery and at their inner peripheries and are connected by respective sets of connectors to a hub and a formation which can be connected to another shaft. The connectors can include clamping bushes which have their heads or shoulders between the membrane and are engaged by clamping screws extending into the bushes from the exterior so that between the membranes, only the thickness of a shoulder is provided along the inner periphery. A highly compact shaft coupling can be obtained in terms of axial dimensions.

Abstract: A power steering pump and air conditioning compressor are axially aligned. Power from the power steering pump is provided to the air conditioning compressor through a coupler. The coupler has two axially spaced flexible discs separated by a spacer.

Abstract: A fail safe, segmented drive shaft system includes a segment support assembly (16) comprising a ball bearing (26), for primary rotation, disposed within a journal bearing (28), for secondary rotation, which is disposed within an elastomeric damper (30) that has a vibration probe (34) placed in it for failure detection, and a coupling assembly (18) comprising a flexible diaphragm (66, 67) for primary, flexible coupling between segments and gear teeth (72, 73) which engage for secondary coupling upon failure of the diaphragm (66, 67). The teeth are not concentric with the rotational axis, so vibration indicates failure of the primary flexible coupling.

Abstract: A flexible disc-like coupling element is provided for use in a flexible coupling which joins a driving shaft to a driven shaft of a drive train apparatus. The disc-like coupling element includes a hub portion at least a first and a second substantially linear member which are joined at a junction and which diverge from the junction to define an aperture. Each substantially linear member is configured to carry a columnar load. The disc-like coupling element also includes a plurality of lobes spaced from the hub portion and connector portions corresponding to each lobe for connecting at equally spaced increments the corresponding lobe to the hub portion. Each lobe has a pair of substantially arcuate shaped arms joined together adjacent a corresponding connector portion. The arms extend away from one another in substantially opposite directions and terminate in free ends.

Abstract: A coupling element between tubular shaft sections comprises two mutually adjacent membrane walls, each having radially outer and inner circumferences. The membrane walls are mutually connected at their radially outer circumferences. The radially inner circumferences of the membrane walls are in axial alignment with radially inner circumferences of respective shaft sections, and the membrane walls are connected at their radially inner circumferences to the tubular shaft sections. The radially outer circumferences of the membrane walls are elastically decreasable, and the radially inner circumferences of the membrane walls are elastically expandable in response to axial forces applied to the membrane walls in axially opposite directions.

Abstract: A constant velocity flexible coupling for coupling two shafts has a solid unitary body with a plurality of complimentary pairs of slots positioned between a first and second end. The body also has a first and second slotted hub protruding therefrom. Single slot counterbalanced clamps are positioned over the slotted hubs so as to clamp shafts inserted into the hubs to the coupling.

Abstract: A one-piece flexible coupling is integrally molded from plastic. A plurality of discs are connected by posts over small circumferential extents with slots formed over the remainder of the circumferential extent of the discs. The posts between adjacent discs are offset by 90.degree. from the previous and subsequent discs. Shafts are connected at both ends of the flexible coupling, and the flexible coupling transmit rotation between the shafts, even when they are at non-parallel angles relative to each other.

Abstract: A flexible disc-like coupling element is provided for use in a flexible coupling which joins a driving shaft to a driven shaft of a drive train apparatus. The disc-like coupling element includes a substantially arcuate shaped hub portion at least partially defining and at least partially surrounding a central aperture. The hub portion has a radial dimension as defined from the central aperture of the disc-like coupling element. The hub portion includes a structure for flexing across the radial dimension within the plane of the disc-like coupling element. The disc-like coupling element also includes a plurality of lobes spaced from the hub portion and connector portions corresponding to each lobe for connecting the corresponding lobe to the hub portion. Each lobe has a pair of substantially arcuate shaped arms joined together adjacent a corresponding connector portion. The arms extend away from one another in substantially opposite directions and terminate in free ends.

Abstract: A coupling for connecting a rotary power source to a driven device and accommodating misalignment between the source and device. The coupling has at least two identical modular center members having a plurality of alternative circumferential positions relative to each other and which also may be positioned with either axial end toward each other. The coupling includes hub members which may also be identical to the center members.

Abstract: A flexible coupling has at least one and more commonly a plurality of diaphragms having a particular profile. The profile has first and second contoured sections. The first contoured section has a radially-inwardly decreasing thickness and extends to near the center of the diaphragm and the second section extends therefrom and has a radially-inwardly increasing thickness such that the bending moment developed by axial deflections is small near the thinnest section or the center of the diaphragm, and the stress levels are minimized throughout the diaphragm. The diaphragm profile as described is analytically optimized to tolerate greater axial deflection and bending before the fatigue and endurance limits of the diaphragm material are reached than has heretofore been the case.

Abstract: A resilient shaft coupling, especially for Diesel engine drives, essentially comprises two rigid coupling parts such as a hub on the drive side of the shaft coupling and a flange ring on the end of the drive shaft opposite to the drive side, whereby the hub and the flange ring are connected in an elastic rotating manner via a series of identical elastic annular connecting links. Radial supports for the elastic annular connecting links are provided at one of the rigid coupling parts in order to avoid improperly restraint masses that cause imbalance of the shaft due to centrifugal forces. In order to improve the angular movability of the resilient shaft coupling, the radial supports are provided with angular movability. This is achieved by a metallic ring membrane which provides angular movability between two axially neighboring annular connecting links, whereby the ring membrane is clamped between the connecting rims of the annular connecting links.

Abstract: A one piece, mechanical, flexible coupling for interconnecting driving and driven shafts, which is capable of accommodating separate or combined angular, skewed or parallel shaft misalignments and axial shaft movements while permitting limited torsional or radial deflection thereof. The coupling is fashioned from a single piece of metal or other rigid material and includes a plurality of parallel, axially spaced, annular discs lying normal to the coupling's longitudinal axis and integrally interjoined with one another and with two shaft connector hubs by intervening spacers. The discs and hubs operate as flexible, zero back lash coupling portions at opposite ends of an integrally intervening midsection which operatively permits limited radial or torsional shaft deflection and is made up of a selected number of elongated flexible vane elements lying parallel to and radially displaced from the central longitudinal axis of the coupling.

Abstract: A flexible shaft coupling including coupling flanges and a stack of sprinlastic membranes mounted at an axial distance from the two coupling flanges. The stack of membranes is mounted on sleeves which are arranged on tightening bolts mounted alternatingly on a circle on one or the other of the coupling flanges. Spacer washers are arranged next to the stack of membranes. Each sleeve is a hardened cutting sleeve provided with a cutting edge. The cutting sleeve is forced into the respective bore of the stack of membranes and at least a portion of the cutting sleeve is forced into the corresponding bore of the coupling flange. The cutting sleeve has an outer diameter which is greater than the maximum diameter of the respective bore of the stack of membranes and of the corresponding bore in the coupling flange.

Abstract: The present specification discloses a braking disc for a disc brake. The braking disc comprises an annular disc member with a number of radially inwardly projecting lugs, located coaxially with respect to a central hub member which has a number of radially outwardly projecting lugs, the lugs on the hub member being located between adjacent lugs on the annular disc member. The lugs on said members are interconnected by at least one resilient member which is designed to flex generally radially but not circumferentially. Thus the or each resilient member positively transmits circumferential torque forces but is sufficiently flexible to allow for radial deflection due to thermal expansion of the disc member, without being over-stressed.

Abstract: An elastic coupling for a torque transmitting joint formed of a pair of diaphragm disks which have a pair of opposed radial contact faces extending essentially at right angles to the axis of the disk and a pair of essentially cylindrical centering faces at the radially innermost terminations of the contact faces is formed with an annular disk-shaped electron beam welding zone which welds the contact faces together and which extends radially from the outermost peripheries of the diaphragm disks inwardly to a point proximate the centering faces.

Abstract: A torsional coupling or resilient damper assembly for a friction clutch or torque converter lock-up clutch which is formed of a plurality of spiral spring plates or discs that are secured together as a unit with an outer peripheral ring and an inner ring for each disc joined together by one or more spiral spring members formed by one or more spiral slots extending between the inner and outer rings. The coupling is formed of a stack of plates wherein the slots in the plates are axially aligned and the forces in the plates are balanced when two or more spiral slots are utilized. If a single spiral slot is provided in each disc, the forces are balanced by alternate plates being reversed or all plates being positioned identically but phased through angles divisible into 360.degree.. Different embodiments of spiral spring discs may be combined in a single assembly.

Abstract: A coupling comprising two hubs (1) elastically joined to a hollow shaft (2), which surrounds the hubs, by six elastically resilient links (3) which are bolted alternatingly in an hexagonal pattern to a hub flange (10) and a shaft flange (20) at the ends of the coupling. This permits parallel and angular misalignments according to the cardanic principle while torque is being transmitted. Because the flanges lie in the same transverse plane, the coupling is protected against slipping in the event that the resilient link elements should fail. Because the links are externally mounted, they permit optimum cardanic motion. The hubs may be fitted inside the hollow shaft (short configuration) or they may bolted on so as to project beyond the ends of the hollow shaft (long configuration).

Abstract: A flexible coupling for connecting a driving shaft and a driven shaft together in an end-to-end relationship for transmitting power from the driving shaft to the driven shaft. Flexible coupling sub-assemblies which are balanced and aligned are provided between a center spacer member and coupling hubs attached to the driving shaft and to the driven shaft. The flexible coupling sub-assemblies each include a pair of annular adaptor rings having therebetween a flexible element member which preferably includes a plurality of side-by-side flexible members. The adaptor rings include an annular flange having on one side thereof a substantially radially extending countersunk face and on the other side thereof a substantially radially extending, generally planar face. The countersunk guide face guides the adaptor rings onto annular flanges of the coupling hubs and center spacer member to ensure proper alignment and balancing of the flexible coupling upon provision thereof with flexible elements.

Abstract: In a torsionally rigid, elastically flexible shaft coupling having at least one elastic disk disposed at right angles to the axis of rotation, cams on both coupling halves act alternately on both sides of the disk. In order to improve the loading capacity of the connection of the disk with the cams of both coupling halves by a multi-section design of this connection and in order to increase the transmitting capacity and the flexibility, the shaft coupling has the following characteristics:(a) the disk is constructed as a ring,(b) the points of application of the cams of both coupling halves on the annular disk lie at least approximately on one radius, the said cams surrounding the annular disk on both sides.

Abstract: In a torsionally rigid, elastically flexible shaft coupling at least two membranes are provided as transmission elements, which, on the inner and outer edge, have regularly spaced bores for clamping screws on the two coupling halves. In the intermediate area the membranes are provided with uniformly spaced openings. In order to increase the loading capacity of the shaft coupling, as well as to render possible the checking of the proper functioning of the membranes without dismantling them, the membranes are mutually offset by a fraction of the spacing of their openings. Moreover the fixing bores in a sector, which is equivalent to at the most half that of the openings, are arranged so that the bores for the clamping screws are aligned.

Abstract: In a fishing reel, the drag stack includes the conventional star wheel and pressure plate that squeeze one or more friction member against the side of a rotatable member, such as the main gear to cause it to rotate with the pressure plate. However, instead of a washer of friction material, the friction member comprises small friction pads mounted on a carrier ring so as to be positioned symmetrically around the axis thereof, and to be engaged by the pressure plate. This leaves substantial areas of the pressure plate exposed for dissipation of heat.

Abstract: A flexible coupling (11) is formed with a toroidal diaphragm (21-22) as its flexible member. A pair of half-toroids (21-22) are fixed to inner rings (25, 26) and outer rings (27, 28) in order to effect connections. The inner rings (25, 26) are connected, respectively, to drive shaft sections (13, 14). The outer rings (27, 28) are used to connect the half-toroids (21-22) to each other. Torque from one of the drive shaft sections (13) is passed through one of the inner rings (23), through one of the diaphragms (21) through the outer rings (27 and 28) to the other diaphragms (22), the other inner ring (26) and to the other drive shaft section (14). Advantages include increased flexibility of a flexible coupling of a type which uses no bearing parts.

Abstract: A fail-safe flexible coupling is provided for coupling shafts, typically in an aircraft, wherein the coupling includes a plug coupled to the first shaft and a socket coupled to the first shaft and a socket coupled to the second shaft. The plug is arranged and configured to loosely mate with the socket when the shafts are being rotated together by virtue of their primary coupling. When the primary coupling fails, the socket and plug engage each other notwithstanding the failure of the primary coupling between them. The plug is particularly characterized by a screw portion and head portion. The screw portion is threaded into the first shaft. The coupling is secured to the first shaft by the head portion of the plug.

Abstract: A membrane type coupling has concentric input and output members, intermediate member and pair of spacers, the input and output members being connected to one each of the spacers, and the intermediate member being connected at either end to both spacers, by membrane packs. The connection between each spacer and at least one member comprising a pair of axially spaced packs. The coupling thus has lateral rigidity but angular and substantial axial flexibility.

Abstract: A flexible coupling for transmitting rotational drive includes two components coupled together by links which are rigid radially but permit a limited axial and/or angular movement. The links are connected to the respective components by driving connections extending through openings in the links. Areas of the links other than those associated with the driving connections engage accurately and securely under and/or over the corresponding area on or connected to the respective components.

Abstract: A torque-transmitting connector is disclosed which fits between a spindle and the walls of a bore in a rotating member. The connector includes a sleeve encircling the spindle and two flanges located at its opposite ends. Each flange is initially frustoconical, and is forced into substantially a disc shape to grip the spindle and the wall of the bore. The flange at the bottom of the bore is flattened first by a small diameter punch acting against the other end of the sleeve; and the other flange is then flattened by an annular punch encircling the small diameter punch.

Abstract: A fail-safe flexible coupling is provided for coupling shafts, typically in an aircraft, wherein the coupling includes a plug coupled to the first shaft and a socket coupled to the first shaft and a socket coupled to the second shaft. The plug is arranged and configured to loosely mate with the socket when the shafts are being rotated together by virtue of their primary coupling. When the primary coupling fails, the socket and plug engage each other securely though the shafts continue to be driven notwithstanding the failure of the primary coupling between them. The plug is particularly characterized by a screw portion and head portion. The screw portion is threaded into the first shaft. The coupling is secured to the first shaft by the head portion of the plug.

Abstract: A drive coupling for connecting a drive shaft to a driven shaft, comprising a first flexible disc connected to one of the shafts, a second flexible disc, spaced-apart from the first flexible disc, two solid members each connected to at least a respective one of the flexible discs, said two solid members being located between the flexible discs in overlapping relationship with each other axially of the coupling thereby to shorten the drive coupling.