Abstract: A seal arrangement for connecting two seals in a fluid-tight and mechanically robust connection without vulcanization or adhesive bonding. The seal connector is provided with a sleeve-shaped receiver on one end of one seal for receiving an end of the other seal. The two seals are further releasably connected to one another by a lug on the connector which fits around the other seal.

Abstract: The invention relates to an assembled driveshaft in the case of which individual driving elements, especially gears, are non-rotatingly connected to a hollow shaft, with the connection between the hollow shaft and the driving elements essentially being achieved by a force or friction locking connection between the plastically expanded hollow shaft and the elastically pretensioned driving elements. For improving the bending and torsional stiffness of the driveshaft, at least one driving element has been produced to comprise at least two toothed discs with different diameters connected to each other by a sleeve, with the sleeve either being positioned directly on the shaft to form a basis for the connection or radially spaced from the shaft between the discs.

Abstract: An improved means for securing planking to a horizontal support in a platform having a plurality of vertical support frames laterally joined with cross braces for use in constructing bleachers, risers and stages. The vertical support frames have horizontal supports for planking and means are concealed within the underside of the planking to prevent the planking from uplifting or shifting from end to end or back and forth on the horizontal support. The means are in the form of male and female mating endcaps for the planking in cooperation with a hook provided on the horizontal support.

Abstract: A vibrating portable screed of the type made up of sections having screed blade means at the base and a ridge portion at the top employs a turnbuckle assembly in the ridge portion held together by a removable pin and other removable pin connected means in the base portion thereby enabling the sections to be quickly assembled and disassembled by installing and removing the pins.

Abstract: The present invention is a reducing coupling adapter, specifically for using known 5/8" sewer cleaning heads with the conventional 7/8" sewer cleaning cable and machine. The present invention simply snaps onto one end of a 7/8" cable at the front of the cable, thereby allowing the smaller 5/8" heads to be used in the sewer cleaning process.

Abstract: A device is provided for a screw connection between two pieces which can adjust the distance between the two pieces. The device comprises a first threaded piece and a second smooth piece with an annular groove close to its free end. A connector ring is screwed onto the threaded shank and engaged on the smooth piece. The connector ring has a groove of variable depth. An incompressible retaining ring is engaged in the grooves of the second piece and the connector ring. The device can be used to produce a single tension element.

Abstract: A transmission for connecting a propeller to an engine having a crankshaft. The transmission has an output shaft and a propeller shaft and a belt connecting the output shaft to the propeller shaft. The output shaft has a pulley connectable to the crankshaft of an engine and a pulley driven propeller shaft is supported on the frame by means of a flange having bolt holes supported in a circle having a center offset from the center of the output shaft so that the flange can be connected to the frame in any position and bolted in place. The bolts can be removed and the flange rotated to different bolt holes thereby swinging the center of the propeller shaft around the center of the bolt holes to tighten the belt. An improved coupling is provided for connecting the drive pulley to the engine.

Abstract: In order to be able to use an anti-skid device, particularly for vehicle wheels with pneumatic tires when driven on ice and snow, having a fixing disk, which can be attached to the wheel rim and which remains thereon even when the anti-skid device is not in use, and a supporting disk attachable to the fixing disk by a retaining ring and having a plurality of anti-skid arms engaging over the tire tread without great technical expenditure on a large number of vehicles, whose rims have different hole circles and pitches for the rim screws, the fixing disk with a shaped-on hub carries on its side remote from the supporting disk an adaptor disk, which is connected to the fixing disk by screw connections and which has a plurality of radially directed elongated holes in identical and/or several spacings or pitches.

Abstract: A valve box stabilizer for stabilizing a valve box covering an underground valve housing including a body for receiving the neck of the valve, an inner wall portion for contacting this neck along a substantial portion of the valve, and the wall portion having a plurality of fins each with an outer surface to form a discontinuous outer wall for contact with the internal surface of the valve box so as to prevent movement of the valve box relative to the valve.

Abstract: A device for installing a screw-driven, expandable camlock mechanism in a steam generator host tube to effectuate inspections of or repairs to a steam generator tube or tube sheet is disclosed herein. The device comprises a double gimbal camlock installation assembly capable of vertically aligning the camlock mechanism, which has a deformable sleeve disposed thereon, with a steam generator host tube and capable of installing the camlock mechaism in the steam generator host tube. The installation assembly includes a double gimbal having a pivotal first ring disposed in and connected to a pivotal second ring which is disposed between and connected to the tines of a U-shaped fork. Attached to the first ring is a housing having a rotation device disposed therein, which rotation device engages a threaded rod that is connected to the camlock mechanism.

Abstract: This invention relates to a drive coupling for connecting an output shaft such as for a motor to an input pinion such as for a reducer. A coupling member which has an intermediate portion supported for rotation in bearings in a bracket which is mounted on a motor. The coupling member has one end portion in the form of a slotted sleeve which extends about the motor shaft and is clamped thereto by a clamping collar. The other end of the coupling member is provided with a bore for receiving a pinion shaft in a force-fit relationshp. The pinion shaft may be pinned to the coupling member by means of a spiral pin and the slotted sleeve may be keyed to the motor output shaft by means of a suitable slot and key arrangement.

Abstract: The present invention relates to an adapter device made from a polymeric material for detachably connecting a broom, brush, mop or the like to a hollow or solid core handle member. The device includes a unitary body constructed with a multi-diameter interior defining an internal shoulder portion adapted to abuttingly receive the end of a handle and a multi-step-down exterior terminating in a threaded or tapered male end portion adapted to be frictionally coupled into the corresponding female threaded or tapered socket in the brush head.

Abstract: An adapter consists of a more or less cylindrical body having a rear outer portion and a front inner portion, projections (or other suitable coupling means) on the rear outer portion for effecting the coupling to an automatic adjusting device, and at least three different recessed configurations located at different depths within the body's front inner portion for mating respectively to at least the three most common types of residential thermostat knobs. The most recessed configuration receives the smallest such knob, which is of the "lever" type. The middle configuration is a circular ring of inwardly projecting teeth for engaging the intermediate size "serrated" type of knob. The least recessed configuration is of an internal bevelled shape for receiving the largest such knob, namely the "bevel" knob. These various recessed configurations are so located and dimensioned with respect to the body of the adaptor to allow each type of knob to reach and mate with its corresponding recessed configuration.

Abstract: A socket adapter for use with a broom block, the socket adapter for receiving a threaded handle such that the release torque required to remove the handle is aggrandized, i.e. greater than the application torque required to attach the handle. The socket adapter comprises a tube having an annular lip for abutting against a corresponding lip adjacent the threads of the handle and at least one thread on the tube. The thread begins a predetermined distance below the annular lip such that an expansion space is formed above the thread to provide a space into which the handle thread material may expand. Upon tightening the handle in the socket adapter with a predetermined amount of attachment torque, the handle material will expand into the expansion space and create an attachment between the handle and the socket requiring a release torque greater than the attachment torque to remove the handle.

Abstract: A junction piece for releasably connecting rod-shaped structural elements 7, the junction piece consisting of a junction ball K and a pin element 4 to be radially screwed into the ball K. The pin elements 4 are of cylindrical shape and can be inserted with a cylindrical section into front end recesses of the structural elements 7 and can be fixed axially thereof. In this case, the cylindrical section is made to correspond to an axial guide casing for the pin element 4. The guide casing can be rotated and fixed in the front end recess of the rod-shaped structural elements 7, whereas the pin element 4 is arranged to be prevented from any rotation in the guide casing. It is, however, allowed to be axially displaced against the action of the spring 5.

Abstract: A pick-up cap construction is provided which includes a novel compressible seal arrangement between the pick-up driver cab and the pick-up cap, a novel rear door construction and a novel pick-up cap holddown arrangement. The rear door construction includes a full size rear door covering the complete area from the top of the pick-up cap to the truck bed, pivoted about a horizontally extending axis disposed at the top of the pick-up cap. The pick-up cap sidewalls are attached to the pick-up truck box sidewalls by means of an extruded metal mounting rail which forms one side of a sandwich clamp construction engageable with the lower part of the cap sidewall, and which is riveted to another extruded metal profile part which serves the additional function of accommodating a mounting of a decorative profile strip to cover the connection between the cap and truck box sidewalls.

Abstract: A hybrid scaffold assembly which employs a scaffold adaptor for transferring from a Tube Lox type of scaffolding to a stack-up type of scaffolding and vice versa.

Abstract: A handle extension provides a means by which a control on a power-operated device, such as a snow thrower, can be manipulated from a more convenient and safer location. A rod-like control extension handle is coupled to an existing control handle or lever by a unique connecting bracket which is so configured that when the present invention is installed by an unskilled person, the said connecting bracket in combination with the said rod-like control extension handle prevents binding of the present invention with the existing control handle thereby permitting more precise control of the power-operated device.

Abstract: A push-pull cable arrangement for selectively transmitting longitudinal motion to two separate destinations has an inner wire having a front end, a rear end and an intermediate node between the front and rear ends. The inner wire is enclosed with a first outer casing between the front end and the intermediate node, and with a second outer casing between the intermediate node and the rear end. A front end of the first casing facing the front end of the wire is stationary, and a rear end of the second casing facing the rear end of the inner wire is also stationary. There is further provided an intermediate unit having a first member to which a rear end of the first casing is fixed, and a second member to which a front end of the second casing is fixed. One of the first and second members is a stationary housing, and the other is a sliding member slidably contained in the housing.

Abstract: A supporting beam includes a first and second parallel spaced apart flange. A lattice web holds the two flanges apart. At one end of the flanges, there is a solid web of wood. The butt end of the solid web has a recess which is profiled for receiving an adapter section. The recess may be triangular or semi-circular or flat walled. The adapter section is symmetric with one half in and the other half projecting out of a recess. When two butt ends of two solid webs are overlain, the respective recesses overlie and an adapter section is disposed in the overlaying recesses. The adapter section and the recesses both extend transversely of the direction between the flanges and fully across the solid web. The abutting solid webs of two beams define a single beam assembly. Respective brackets behind each of the solid webs are clamped together for pushing the solid webs together. In an array of a plurality of the beam assemblies, the brackets may extend across the parallel solid webs of a number of the beam assemblies.

Abstract: A buckle assembly which comprises a clinched anchor block fixedly connected to a wire and provided with a first interlocking portion at an upper part and a second interlocking portion at a lower part, a buckle base having at least one bottom wall provided with an interlocking portion which is staked with the second interlocking portion, and a support member held on the buckle base and engageable with the first interlocking portion. Owing to the adoption of the above structure, the buckle assembly according to this invention is generally flat and can withstand relatively great loads.

Abstract: A spring clip shaft connection wherein a shaft includes a transverse hole spaced inwardly from one end of the shaft, a generally U-shaped body having a leg formed with longitudinally extending proximate and distal leg portions laterally offset from each other by an intermediate leg portion, and an arm extending from the body longitudinally of the leg, the leg being insertable through the hole for location of the intermediate leg portion in the hole with the distal and proximate leg portions on opposite sides of the shaft, and the arm being resiliently snap engaged into a recess in the leg.

Abstract: The invention relates to an arrangement for clamping a warp beam tube or the like to a square rod, in which a flange is fixed on the axial end of the beam tube, the flange including a square axial opening for the reception of the square rod. The flange is clampable fast by at least one clamping screw to the corresponding axial end of the square rod. For providing a central clamping-in not subject to the danger of loosening, the flange is constructed as a clamping ring which includes at least one slit extending through from the square opening to the outer circumferential surface of the clamping ring. The slit is bridged by at least one tightening screw and its width is reducible by a tightening of the tightening screw.

Abstract: A replaceable handle assembly for coupling a handle to a valve stem comprising a connector for gripping the spline of a valve stem, a base member positioned over the connector and nonrotatably engaging the connector through a rectangular-shaped fitting, and a screw securing the base and connector to a valve stem. A post fits into an upwardly-opening recess in the base through a rectangular fitting and a small set screw secures the post to the base. A handle threads onto the post above the set screw to at least partially conceal the set screw.

Abstract: An intersection joint for wooden members of trusses, particularly in spaceframes, with fixing elements for thread bolts attached on the ends of the wooden members, which are screwed into tapholes of joint elements. The fixing elements are configured as profile parts of one piece (at least in their attachment areas,) and secured into corresponding cutouts in the head ends of the wooden members.

Abstract: A device for connecting plates and/or rods of the light construction type made of wood, plastic or the like, with junction pieces having a plurality of threaded holes whose axes intersect at the center of each junction piece. Tap bolts are disposed in the area of the plate corners and/or the rod extremities so they can rotate and slide axially in the planes of the plates and/or along the axes of the rods, which can be screwed into the threaded holes of the junction pieces. The tap bolts are mounted in dowel-like shells which have at their outer ends an abutment for each tap bolt. The shells are pressed and/or glued into boreholes in the area of the plate corners and/or extremities of the rods. A drive-collar is mounted on the shank portion of the tap bolts protruding from the shells.

Abstract: A coupler device made from a polymeric material for detachably connecting a broom, brush, mop or the like to a handle member, the device including a generally hollow, elongated body having an exterior male threaded portion adapted for threading attachment within a corresponding female threaded socket portion in the broom, brush, mop or the like. The body includes a multiple diameter bore defining an interior shoulder portion adapted to abuttingly receive the end of a hollow handle having a passageway therein, and an integral, elongated post portion extending axially through the bore adapted to be engageably received in the passageway in the handle for securement of the device thereto. In another form, a reinforcement element is fixed within the bore in the post portion for strengthening the coupling with the handle member.

Abstract: An improved device is disclosed for connecting a plunger to a connecting rod of the type having a crosshead connected to the connecting rod, the crosshead having a coupling element with a flange and a coupling nut mounted to the flange. The coupling element is provided with a centering bore and a thrust plate is mounted to the coupling element. The thrust plate has a first side with a centering stud extended into the centering bore and an annular shoulder surrounding the centering stud seated against the flange. The thrust plate has a recess on a second side opposite the first side for receivingly centering an end of the plunger. A clamping assembly for clamping the coupling element includes a collar threadably engaged to the coupling nut.

Abstract: An adapter sleeve to be carried by the tool head end of a handle is provided including a first end for receiving the head end of a handle therein and a second end for receiving the free end of a tool head supported shank. The second end of the sleeve includes a generally radial bore for registry with a radial bore formed in the free end of the tool head shank and an elongated spring arm having base and free ends is provided and extends longitudinally of the sleeve with the free end thereof closely adjacent the radial bore formed in the sleeve and the base end of the arm attached to the sleeve at a point spaced toward the first sleeve end from the radial bore of the sleeve. The spring arm has a slide mounted thereon and the sleeve includes a cam surface relative to which the slide is shifted during movement of the slide along the arm.

Abstract: A wing is secured to the body of a craft, for example an aircraft, at least t four support points interconnected in pairs by a respective clamping bolt. The metal planking of the upper and lower wing structure forms two wing forks each having a respective securing end and two forked legs. One wing fork is secured with its forked legs to the upper wing structure surface. The other wing fork is secured with its forked legs to the lower wing structure surface. Each of the four support points of the craft body forms a forked bracket so that each support point has two half brackets. The half brackets of a pair are vertically aligned so that the respective clamping bolt may pass through these aligned half brackets and through the respective securing ends of the wing forks extending into the space between two half brackets.

Abstract: A holding arrangement intended to hold a plate-like element to a post. The holding arrangement is provided with a peg having different cross-sections formed at two perpendicular coordinates. In a first position of rotation of the arrangement relative to the first element, the peg can be inserted into the element, and upon further rotation of the arrangement to a second position of rotation, a larger cross-section of the peg clamps the holding arrangement firmly against surfaces formed in the first element.

Abstract: An adapter for an end of a traffic control barrier arm so that the arm may be extended in length, the adapter including a generally channel-shaped sleeve which at one end fits around the traffic control barrier arm and is bolted thereto while the other end of the sleeve has a board slided therein and secured in position by means of a spur supported on the sleeve and which digs into the board for a firm hold thereof.

Abstract: Disclosed herein is a coupling clamp formed by shaping a sheet-metal blank or tube length and having an axially slotted hollow body (14) forming a socket for a shaft or other transmission member and having a lug (17) depending from either side of the slot (15), the lugs being pierced (18) for the passage of a bolt or the like by which the clamp can be tightened to bear radially onto a shaft, at least one of the lugs having at least one internal tab (13) extending at least part-way across the slot and shaped to bear radially onto a shaft on tightening the clamp.

Abstract: A joint formed by interconnecting a frame, a handle and a handguard with a single fastener. The members are interlocked to each other to transfer any torque created by a force applied to the housing of the chain saw or one or more of the interconnected members. The handle and the handguard each have slabbed sides which coact to produce a wedge-like locking action therebetween.

Abstract: A quick coupling device for use in cold environments such as the Arctic to joint two shafts in an end-to-end relation which comprises a first hollow cylindrical body on one shaft end which has a cut out portion and carries a hollow, internally threaded stud opposite the cut out portion, and a second hollow cylindrical body carried by the other shaft end which has a corresponding cut out portion so that the first and second bodies can be mated together to form a continuous cylindrical body from one shaft end to the other shaft end, the second cylindrical body having a plate across the cut out portion with an aperture therein which aperture registers with the open end of the stud means when the first and second cylindrical bodies are mated whereby a threaded pin means can then be screwed into the stud means from outside the first cylindrical body and said pin means will extend through said stud means and into the plate aperture to physically join the first and second cylindrical bodies and, therefore, the two s

Abstract: To reduce the axial length of the dynamo electric machine--remote rotating apparatus combination, in which the remote rotating apparatus, typically, is a gas turbine, the operating shaft of the remote apparatus is formed with a conical recess, and a claw-type rotor, rotating between a fixed field structure and a fixed armature structure is formed with a hub having a conical projection fitting into the conical recess and no other bearing. The shaft, thus, can be terminated flush with the remote apparatus housing structure, which can be formed with additional locating elements, such as a flange, accurately concentric with the center of the shaft for positioning of the dynamo electric machine against the remote apparatus in accurately aligned position.

Abstract: An adjustable power transmitting device comprising a rotary input shaft mounted for rotation about a first axis and an output shaft mounted for rotation about a second axis. The output shaft is also mounted for pivotal movement about at least two non-parallel axes so that the position of the output shaft can be adjusted about both of these axes. The input shaft is drivingly coupled to the output shaft so that the input shaft can rotate the output shaft in all positions of the output shaft about the two non-parallel axes.

Abstract: An adaptor for use in driving a pipe into the ground by a ground piercing tool, which adaptor is arranged to be driven by the piercing tool. The adaptor consists of a three piece cylindrical unit held together by two garter springs. A tapered conical bore, formed in the adaptor, has a slope comparable with the slope formed on the forward end of a ground piercing tool used therewith. A portion of the adaptor is arranged to enter the end region of a pipe being worked upon, and a circumferential shoulder is formed on the adaptor, for engagement with the end of the pipe. Impact action upon the piercing tool not only wedges the adaptor into tight engagement with the inner region of the pipe, but also results in driving action upon the pipe by reason of the circumferential shoulder being in engagement with the pipe end.

Abstract: In an arrangement for fastening a structural part (1) to a round steel chain by means of two webs (3,6) which overlap the long sides (19,20) of a chain link (9) and bridge the gap between said long sides (19,20) a centering member (5) is used which centering member is provided with a bore (12) and parallel side faces (10,11) having a spacing from one another which is approximately equal to the width of the gap between the long sides (19,20) of the chain link (9) partially overlapped by the webs (3,6). At least one web (3) being provided with a guide (4) which holds the centering member (5) in a prescribed position.

Abstract: A novel locking apparatus is provided for use on self-aligning rod end couplers, reciprocating machines, hydraulic cylinders, transfer machines, and the like. The apparatus comprises at least one slot in an end face of an outer body and means for uniformly deforming a wall of the slot so as to obtain a uniform deformation of the wall of an annular bore, thereby locking and clamping the outer body upon an annular body engaged within the annular bore.

Abstract: An improved coupling assembly (52) for rigidly securing the shaft (18) of a vertical pump (10) to the co-linearly spaced shaft (24) of a pump driver (22). A novel design provides a reduced uniform maximum diameter and obviates shaft threading and registration fits. The resulting assembly is, therefore, easier and less costly to fabricate accurately wherein pump shaft runout at the stuffing box face is no greater than 0.002 inches T.I.R. The coupling assembly of the present invention comprises a pair of cylindrical rigid hubs (54, 56) which may be secured to the pump and driver shafts (18, 24), respectively, by means of split rings (76, 78, 80, 82) for vertical thrust bearing; and an optional split spacer (64, 66) positioned between the hubs. Split shims (58) are employed above the pump-shaft rigid hub (54) to provide vertical position adjustment of the pump shaft (18) relative to the driver shaft (24).

Abstract: An improved differential pressure hydraulic pressure convertor whose ratio of output pressure to input pressure may be easily varied comprising a valve housing, a pump housing having a cylindrical bore therethrough, a power cylinder including a differential piston located between the valve housing and the pump housing, a piston assembly detachably secured to the differential piston of the power assembly and, optionally, a sleeve installed in the cylindrical bore in the pump housing slidably receiving the piston of the piston assembly.

Abstract: The present invention is a universal chuck adaptor which is used in combination with a yankee screwdriver in order to mechanically couple a drill chuck to the yankee screwdriver which includes a handle. The yankee screwdriver also includes a ratchet mechanism which is mechanically coupled to the handle and a release mechanism which is mechanically coupled to the ratchet mechanism. The universal chuck adaptor includes an integral member which has a cylindrical portion at its center, a right-handed, externally threaded cylindrical portion at one end with a left-handed, internally threaded bore and a truncated cylindrical portion with a notch. The truncated cylindrical portion is adapted to be slideably received within the release mechanism and secured thereby. The drill chuck is threadedly coupled to the right-handed, externally threaded cylindrical portion. A left-handed threaded screw securely coupled the drill chuck to the universal chuck adaptor through the left-handed, internally threaded bore.

Abstract: An improved roof drill bit and roof drill driving assembly which is characterized as a "hands off" type in which the drill, driver, and drill extension are designed and assembled to have a stability which enables the operator to avoid guiding the drill with his hands. An improved drill bit prevents plugging of the assembly when used with suction systems and provides a heavier wall construction. Special adaptors are provided for driving drills and drill extensions.

Abstract: A modular conduit spacer rack comprising a plurality of units which may be interconnected to form a rack for supporting a plurality of conduits in parallel, spaced-apart relationship. Each of the units comprises four generally coplanar arms emanating from a central hub in mutually orthogonal directions, first and second adjacent arms having a predetermined width and thickness, third and fourth adjacent arms forming channels at the free ends thereof, the width and depth of the channels formed in the third and fourth arms being approximately the same as the width and thickness of the first and second arms whereby the third and fourth arms are adapted to receive the first or second arms of adjacent units.

Abstract: A bracket arrangement for mounting a handrail onto a support at variable predetermined spacing therefrom.

Abstract: An aluminum insert, friction welded to a copper plate, is projected through a close-fitting aperture in an aluminum busbar and joined to the busbar by a circumferential weld at the exit end of the aperture, using conventional arc welding techniques, to complete a high ampacity, aluminum-copper electrical joint. The copper plate is then bolted to a copper strap in conventional high ampacity, bolted electrical joint fashion.

Abstract: The sliding support connection of the inner rotor to the rotating outer rotor and stub shaft of the generator power train is closed by a flexible diaphragm which has protruding axially therefrom a plurality of integrally attached fingers. These fingers, at an outside radial surface, bear into a complementary cylindrical cavity in the end of the stub shaft having female spline receiving concavities. The fingers on their inside dimension define a frustoconical surface which bears against a spring loaded frustoconical mandrel, preferably loaded by a Belleville spring. During thermal axial excursion incident to cool down, the fingers by sliding into and out of the spline concavities in the stub shaft accommodate relative axial movement of the inner rotor relative to the outer rotor. During on-line operation of the rotor, the fingers maintain a positive and nonsliding fit with the stub shaft so that by positive outward pressure at the fingers, slip and fretting corrosion of the fingers and stub shaft is prevented.

Abstract: An improved turnbuckle assembly comprising a one-piece generally tubular stamped clip and a nut member mounted to a first axial end of said clip for rotative motion relative thereto is provided. The other axial end of said clip is adapted to receive and retain the end of a flexible cable, such as a multi-strand metallic brake cable, having an enlarged ring or sleeve member permanently attached thereto. The improvement comprises providing a multiplicity of axially extending slits in the first axial end of the stamped clip which allows the bearing area for retaining the nut member against axial forces to be increased while permitting relative ease of assembly. Preferably, the bearing areas will comprise circumferentially extending radially raised ribs having a surface thereof extending radially inwardly toward said first axial end of said clip.

Abstract: An adjustable power transmitting device comprising a rotary input shaft mounted for rotation about a first axis and an output shaft mounted for rotation about a second axis. The output shaft is also mounted for pivotal movement about at least two non-parallel axes so that the position of the output shaft can be adjusted about both of these axes. The input shaft is drivingly coupled to the output shaft so that the input shaft can rotate the output shaft in all positions of the output shaft about the two non-parallel axes.