Abstract: A coupling gear for transmitting rotation of a first shaft onto a second shaft has a first coupling wheel fixedly connected to the first shaft and a second coupling wheel fixedly connected to the second shaft. A third coupling wheel is driven by the first coupling wheel and a fourth coupling wheel is driven by the third coupling wheel and drives the second coupling wheel. A first coupler couples the rotational axle of the first coupling wheel and the rotational axle of the third coupling wheel. A second coupler couples the rotational axle of the third coupling wheel and the rotational axle of the fourth coupling wheel. A third coupler couples the rotational axle of the fourth coupling wheel and the rotational axle of the second coupling wheel. A control device for adjusting with a control movement the rotational phase of the first and second shafts has a control element for adjusting the angle between the first, second, and third couplers.

Abstract: In a rotary printing press, an apparatus for adjusting the lateral and circumferential position of the plate cylinder is provided. The apparatus includes a sleeve having an inner surface with threads disposed thereon; a shaft disposed within the sleeve, and connected to the machine element such that when the shaft moves laterally the machine element is moved laterally, the shaft having an outer surface with threads disposed thereon which engage the threads disposed on the inner surface of the shaft; a gear assembly coupled to the sleeve, such that a rotational movement of the sleeve causes a circumferential movement of the machine element; a first drive for rotating the shaft, such that when the shaft is rotated, the shaft moves the machine element laterally; and a second drive for rotating the sleeve, such that when the sleeve is rotated, the sleeve moves the gear, and the gear rotates the machine element circumferentially.

Abstract: The present invention relates to a process to produce 1,3-diamino-2,4,6-trinitrobenzene (DATB) or 1,3,5-triamino-2,4,6,-trinitrobenzene (TATB) by:(a) reacting at ambient pressure and a temperature of between about 0.degree. and 50.degree. C. for between about 0.1 and 24 hr, a trinitroaromatic compound of structure V: ##STR1## wherein X, Y, and Z are each independently selected from --H, or --NH.sub.2, with the proviso that at least 1 or 2 of X, Y, and Z are hydrogen,with an amount effective to produce DATB or TATB of 1,1,1-trialkylhydrazinium halide wherein alkyl is selected from methyl, ethyl, propyl or butyl and halide is selected from chloride, bromide or iodide.

Abstract: In a rotary printing press, an apparatus for adjusting the lateral and circumferential position of the plate cylinder is provided. The apparatus includes a sleeve having an inner surface with threads disposed thereon; a shaft disposed within the sleeve, and connected to the machine element such that when the shaft moves laterally the machine element is moved laterally, the shaft having an outer surface with threads disposed thereon which engage the threads disposed on the inner surface of the shaft; a gear assembly coupled to the sleeve, such that a rotational movement of the sleeve causes a circumferential movement of the machine element; a first drive for rotating the shaft, such that when the shaft is rotated, the shaft moves the machine element laterally; and a second drive for rotating the sleeve, such that when the sleeve is rotated, the sleeve moves the gear, and the gear rotates the machine element circumferentially.

Abstract: A driving mechanism for driving a gear pump of a dual drive type having two shafts comprises a reversing gear having a pair of output shafts which rotate respectively in opposite directions at the same rotating speed, and a pair of gear couplings connecting the gear pump to the reversing gear. One of the pair of gear couplings comprises: a shaft, a first coupling head disposed on one end of the shaft, and a second coupling head disposed on the other end of the shaft. The number z.sub.1 of teeth of the component external spur gears and internal spur gears of the first coupling head is not equal to the number z.sub.2 of teeth of the component external spur gears and internal spur gears of the second coupling head.

Abstract: A drive transmission mechanism for a biaxial extruder includes first and second output gears respectively fitted with an axial displacement on first and second output shafts which are connected to first and second screws of a biaxial extruder. A first lower gear and a first upper gear are arranged below and above the first output gear. A second lower gear and a second upper gear arranged below and above the second output gear. A reduction gear train is provided for quartering the drive force of a common drive source equally and distributing the quartered drive force to the first lower gear, the first upper gear, the second lower gear and the second upper gear.

Abstract: Apparatus for permitting selective adjustment of the angular position of a sprocket or gear relative to a driven shaft for changing the timing of an internal combustion engine includes a circular sprocket carried on an end face of the cam shaft in axial alignment with the shaft's axis of rotation. A first pin extends from the end face parallel to the axis of rotation at a location radially outwardly thereof through an enlarged opening in the sprocket. An adjusting plate is engaged with the sprocket on the side opposite the end face. The adjusting plate is positively engaged with the first pin with a second pin extending between the adjusting plate and the sprocket parallel to the axis of rotation but at a radial location different than the first pin such that angular adjustment of the adjusting plate about the axis of the first pin produces angular adjustment of the sprocket relative to the axis of rotation of the shaft.

Abstract: The invention relates to an adjustable force transmission arrangement in a big diesel engine for accomplishing force transmission from a crankshaft (9) of the engine by means of gear wheels to at least one camshaft (11). The arrangement includes a first gear wheel (1), which is in connection with the force transmission of the crankshaft (9), and a second gear wheel (2), which is in connection with the force transmission of the camshaft (11), said gear wheels (1,2) being arranged adjacent to each other and arranged in force transmitting connection with each other through a friction surface (5). In accordance with the invention the arrangement comprises a guiding element (3), which is supported by means of a separate slide bearing element (7) to the engine block (6) so that it is guided both in the radial and in the axial direction.

Abstract: A ball screw apparatus having a revolving position detector for detecting revolutions of a ball screw nut and a ball spline nut and a number-of-revolutions altering means for issuing a command to decrement or increment the number of revolutions of the ball screw nut so that a difference between sets of revolution numbers becomes zero. In the ball screw apparatus, a driving motor is disposed in parallel with a driving shaft. An output of the driving motor is transmitted via a belt to each nut. When driving the motor in a clutch-off/brake-on state, only the ball screw nut is driven to revolve, and the driving shaft is slid in the axial direction. When driving the motor in a clutch-on/brake-off state, the two nuts revolve together, and the driving shaft is rotationally driven. A reduction ratio on the side of the ball screw nut is set equal to that on the side of the ball spline nut, whereby the two nuts synchronously revolve.

Abstract: A measuring device includes a measuring mechanism, a counting mechanism, a variable transmission gear assembly disposed between the measuring mechanism and the counting mechanism, and an adjustment member that engages at the gear assembly for changing the transmission ratio. The gear assembly includes a first shaft and a second shaft which are arranged parallel to one another. First and second out-of-round toothed spur gears are seated on the first shaft. An overrunning clutch is disposed between each one of the first and second spur gears and the first shaft, both overrunning clutches acting in the same direction of rotation. Third and fourth out-of-round spur gears are seated on the second shaft and mesh with the respective first and second spur gears. The third spur gear is rigidly fastened on the second shaft. The fourth spur gear is rotatably mounted on the second shaft.

Abstract: A dual permanent magnet generator (10) is provided with a differential gear arrangement (20) comprising two ring gears (21, 26), two planetary gears (30, 31) and a carrier (32) which is splined to an input shaft (12) in the generator (10) so as to rotate the carrier (32) at the same speed as the input shaft (12) while allowing the input shaft (12) to shift axially. One of the ring gears (21) has a threaded connection (18, 38) with the input shaft (12). Consequently, as either the ring gear (21) or the ring gear (26) is slowed down through the application of a resistive load on small generators (22, 23 and 27, 28) associated with the respective ring gears (21, 26), the threaded connection (18, 38) will cause the input shaft (12) to move axially in one of two directions and, via lefthand and righthand spline connections (15, 16) between the input shaft (12) and main rotors (13, 13'), cam the rotors (13, 13') to shift into and out of phase with respect to each other.

Abstract: A vibrator has two series of eccentric weights each comprising at least two weights turning in opposite directions and at least one motor coupled to the first series of weights by gearing and to the second series of weights by a transmission device including a phase-shifter in the form of two coaxial shafts each comprising helical teeth and an annular piston which slides between the two shafts, delimiting therewith at least one working chamber into which a pressurized hydraulic fluid can be injected. The piston has helical teeth meshing with those on the two shafts. The vibrator enables self-regulation of the amplitude of the vibrations that it produces according to the behavior of the object to which the vibrations are imparted.

Abstract: An assembly is provided for indexing the position of a plate cylinder. The assembly includes a drive assembly which is coupled to the plate cylinder, an indexing mechanism which is engageable with the drive assembly, and a shaft which supports the indexing mechanism and rotates it about the axis of the shaft. The drive assembly includes a support and a detent plate which is rotatably and slidably mounted to the support. The detent plate includes tapered or frustoconical openings arranged in a circle upon the plate. The indexing mechanism includes a pin having a tapered head which is insertable into the openings. The detent plate may be moved axially away from the indexing mechanism in order to disengage it from the pin. Once disengaged, the drive assembly and plate cylinder may be rotated with respect to the indexing mechanism and blanket cylinder to allow a different image on the surface of the plate cylinder to be transferred to the blanket cylinder.

Abstract: A timing gear device includes a first rotatably supported shaft, a first gear, having a predetermined number of circumferentially spaced teeth, engaged on and carried by the first shaft and a second rotatably supported shaft spaced from the first shaft. A second gear having a predetermined number of circumferentially spaced teeth is engaged on and carried by the second shaft. The first gear and the second gear are engaged with each other. A timing device is provided for changing the rotative position of the second shaft and the second gear in relation to the first shaft and the first gear. The timing device includes a single primary keyway in one of the second gear and the second shaft and a plurality of secondary keyways in another of the second gear and the second shaft. The secondary keyways have differing configurations. A key is provided in the primary keyway. The key is engaged in a predetermined one of the secondary keyways to establish a driving engagement between the second shaft and the second gear.

Abstract: An adjustable timing gear arrangement having an output shaft and a camshaft operable in timed relationship with the output shaft comprises a first rotatable drive member driven by the output shaft with a second rotatable drive member mounted on the camshaft and operably connected with the first drive member for rotation in timed relation therewith. The second drive member is mounted on the camshaft for rotation on a common axis with the second drive member and the camshaft and is secured thereto to fix the angular relationship of the members. The mounting permits limited relative angular rotation of the members when the members are not so secured. For adjusting the relative angular positions of the second drive member and the camshaft there is an assembly including an unthreaded, cylindrical stud extending from the camshaft into a radially extending slotted opening through the second drive member. The opening includes angularly spaced, parallel sides.

Abstract: An actuating mechanism for adjusting the angular relationship of co-axial primary and second drives while both are running comprises a double planetary gear train having a freely rotatable common sun gear (201) and first and second ring gears (213, 223) rotatable relative to each other and each coupled to the sun gear by respective sets of caged planet gears (208, 218). One ring gear (213) is normally held against rotation and the other (223) is adjustable relative thereto. The gear cages are fast with the respective drives.

Abstract: In an electrostatographic printer and/or copier, toner images are transferred from the outer surface of a rotating image process drum to a receiver sheet carried on the outer surface of a rotating transfer drum as the respective drum surfaces pass through a transfer zone defined by a nip between the drums. To assure precise registration of the transferred toner image with a desired portion of the receiver sheet a planetary positional control apparatus is provided for adjusting the angular position of the transfer drum relative to that of the process drum as the transfer drum rotates to present the receiver sheet to the image transfer zone. Such apparatus responds to a control signal representing variations, from nominal, in the position of the toner image on the process drum and/or in the position of the receiver sheet on the transfer drum.

Abstract: A compact phasing transmission having an infinitely variable adjustment to the relative phases between the input shaft and output shaft of the transmission is disclosed. A harmonic drive pancake gear set is incorporated between the input shaft and output shaft of the transmission. A pancake motor is enclosed within the phase transmission and is coupled to the harmonic drive pancake gear set to provide input to the wave generator of the harmonic drive. The intermeshing of the pancake motor and harmonic drive between the input shaft and output shaft of the phasing transmission will cause the two shafts to rotate at the same speed. When the pancake motor is activated, the wave generator of the harmonic drive gear set will rotate thereby varying the phases between the input shaft and output shaft of the phasing transmission.

Abstract: In the preferred form a locking plate comprises a small rigid sheet of metal having a longitudinal axis of symmetry along which a generally rectangular central aperture extends. The central aperture has transversely opposed internal side edges and longitudinally opposed arcuate end edges. The central aperture defines a pair of spaced apart longitudinal side straps bent upwardly from the plane of the locking plate and a pair of spaced apart transverse arcuate end bases. Each base plate is formed with an arcuate slot with the slots having a common center of curvature located at the axis midpoint and subtending a predetermined central angle. The central aperture internal side edges juxtaposed diametrically opposite side flanks of the hex-head enabling a fastener to be received in each arcuate slot and an underlying one of a pair of diametrically opposed threaded bores so as to lock the hex-head in its tightened position.

Abstract: A drive mechanism includes an internal gear rotatably mounted on an eccentric, the eccentric being mounted on a drive shaft for rotation therewith, said internal gear having an arm with an elongate slot, a block being pivotally mounted on a pin slidably located in the slot, an external gear being rotatably mounted coaxially of the internal gear and in mesh therewith, the position of the pin being adjustable relative to the axis of the drive shaft.

Abstract: An electro-mechanical device for accurately retarding or advancing the timing or rotational phase relationship of machine components, such as a pair of shafts, either while the components are in motion or stationary. The device embodies a motor controlled cycloidal gear reducer operable to generate a rotational differential or relative movement between a pair of rotatable gears. Each shaft is coupled to one of the gears for movement therewith. The stator of the motor rotates with one of the gears and the rotor thereof, when energized, rotates relative to the stator and drives a generator for effecting differential rotation of the two gears and thus the two machine components.

Abstract: A drive linkage is provided between a drive shaft and a driven shaft, each being rotated on a fixed axis. The linkage includes a pair of intermediate gears between gears mounted concentrically on the drive and driven shafts, respectively, with links fixing the center-to-center distances of adjacent gears and maintaining neighboring gears in driving engagement. The linkage further includes a pair of control gears, a primary control gear being maintained in driving engagement with the drive gear through a pivotally mounted link, and a secondary control gear linked to the primary control gear and rotatably mounted to one of the intermediate gears through a pin near but offset from the centers of these gears. A selective positioning of the primary control gear causes an oscillation in the intermediate gear engaged with the driven gear, resulting in cyclical accelerations and decelerations in the driven gear responsive to a constant rotational speed in the drive gear.

Abstract: A delivery fan includes a plurality of blades defining a fan pocket for receiving a signature. The plurality of blades includes two sets of blades. The blades of one set are axially equally spaced apart and define one side of the pocket. The blades of the other set are axially equally spaced apart and define the other side of the pocket. The blades of both sets of blades have surfaces for engaging opposite sides of the signature and for deforming the signature into undulations extending in a direction transverse to the direction of movement of the signature. While the signature is being engaged and deformed, the frictional contact between the signature and the surfaces in the pocket slows down the signature. This minimizes buckling and/or bouncing of the signature in the pocket.

Abstract: A device for altering the angular relationship between input and output components of a device includes an outer housing, an inner housing disposed within the outer housing for coaxial rotation therein, a rotational energy input component engaging the inner housing through the outer housing, a rotational energy output engaging the inner housing through the outer housing at an angular position relative to the rotational energy input, the inner housing including first and second planetary gear sets in a gear carrier for transferring energy from the first set of planetary gears to the second set of planetary gears, the first set of gears being connected to the input, the second set of gears being connected to the output, a braking device for controlling the rotation of the inner housing relative to the outer housing to permit the adjustment of the rotational energy input component relative to the rotational energy output component, and a mechanism for adjusting the relative angular position of the input componen

Abstract: A device (10) for varying the angular phase relation between a camshaft (12) and a crankshaft (unshown) in response to axial displacement of an advancing plate (20) drivingly connected to a support (16) via straight splines (16f) and a drive (18) via angled splines (18d). The support (16) is fixed to an end (12a) of the camshaft (12) for rotation therewith. The drive (18) is journaled on the support (16) and is driven by and in phase with the crankshaft. The advancing plate (20) is also threadably connected to a drum (36) via threads (20c,36a) and the axial displacement is effected by relative rotation between the plate (20) and the drum (36). A clockspring (24) reacting between the support (16) and drum (36) tends to rotate the drum (36) faster than the plate (20) for positioning the plate (20) in a first limit position.

Abstract: A phase adjusting mechanism in which input and output shafts, rotatable at like speeds and directions, are positively intercoupled by helical spline members constructed and arranged so that a female spline member is shiftable axially relative to a male spline member to counter rotate the shafts through a limited range of relative adjustability and in which support of adjacent opposed ends of the shafts is effected by an internal backbone support extending coaxially between the shafts to provide thrust and radial bearing support therefor. Adjustment members for shifting the spline members are provided along with an indicator mechanism for indicating the degree of shaft phase adjustment. A locking mechanism is provided for securing the adjustment mechanism in selected positions.

Abstract: A device is disclosed for controlling the respective phased rotation relative to one another of two rotating shafts. The device of the invention finds particular application with respect to automotive engines and sequential operations associated therewith. The rotational displacement, for example, of a cam shaft used to control the opening and closing of engine valves can be controlled with respect to the phasing of rotation of the crankshaft of an engine. The invention finds particular application with regard to a unique, cam actuated valve lifter. In addition, such functions as fuel injection, ignition timing and other sequential operations in an internal combustion engine can be controlled relative, for example, to the rotation crankshaft.

Abstract: The tooth depth of a gear meshing with a worm wheel, such as used in an electricity meter register, is adjusted by providing a mounting plate for holding the shaft of the toothed gear having a limited range of motion for adjusting the distance of the gear from the worm. The toothed gear has one end of its shaft attached to a mounting plate having a J-shaped cutout provided along one edge. The shaft of the gear is mounted to the "hook" portion of the cutout. Movement of the J-shaped cutout in a direction within the plane of the mounting plate causes a corresponding change in the distance of the toothed gear from the worm, thus enabling the mesh depth between the gear and the worm to be easily adjusted. The arrangement has no moving parts and can be formed using a simple die-stamping process.

Abstract: A mechanism for imparting relative orbital motion to at least two associated driven elements. The driven elements are driven in an eccentric path, usually with a common drive axis, where the angular displacement of each such path is controlled while relative rotation of the driven elements is precluded.

Abstract: An improvement in a fishing reel having a first plurality of gears concentrically disposed on a rotatable shaft wherein respective teeth of said gears can intermesh between respective teeth of any of a second plurality of gears, with said pluralities shiftable and ratioed between each other for speed and power action on a fishing line. The improvement comprises a gear alignment adjustment means comprising a limitedly rotatable disc selectively so rotatable and fixable at any position so rotated. This disc is in slidable communication with a drive plate fixedly engaged with the rotatable shaft and having a plurality of stop means which permit continuous drive plate rotation in one direction only. Reverse rotation of the drive plate engages the stop means at sites which approximate intermeshing of the gear pluralities. Slight rotation of the disc accomplishes precise intermeshing which is maintained when said so-rotated disc is fixed in the so-rotated position.

Abstract: A manually-operated terminal wire connecting tool having an eccentric cam pivot for adjusting the degree of contact between gear rack assembly and rotating drive assembly. The eccentric cam allows for selective adjustment of contact between gear rack and rotatable drive assembly. Machining tolerances in manufacture of the tools are thereby increased and, in addition, consumers can compensate for gear wear over the life of the tool.

Abstract: A structure providing minimum fit mounting and rigid locking of a worm and gear drive includes a gear rotatably supported to a base, a worm drivably engaging the gear and bearings supporting the worm for rotation about its axis. A housing supports the worm bearings and is itself rotatably supported to the base for rotation about a second axis, which axis is parallel to but eccentric from the worm axis. Means are provided for pivoting the bearing housing such that the eccentricity of the pivot axes causes the worm to move toward the gear for close mounting and/or rigid locking therebetween.

Abstract: A bevel gear backlash adjusting mechanism is disclosed in which a bevel gear is carried by a bearing and is rotatably carried by a stationary shaft so as to be axially shiftable therewith. The stationary shaft includes a supporting portion carried by the frame of a power tool, the supporting portion having a section slotted at an angle to the axis of the shaft. An adjustable slide is also supported by the frame and extends into the angled slotted section of the stationary shaft with an edge thereof formed as a ramp at an angle corresponding to the angle of the slotted section and in engagement therewith. Motion of the adjustable slide normal to the shaft will influence axial motion of the stationary shaft and the bevel gear carried thereon so as to allow an adjustment of the mesh between the bevel gear and its associated bevel gear.

Abstract: In an automotive vehicle transmission consisting of a synchronized gearshift transmission and a bevel-gear axle transmission driven by an output shaft of the gearshift transmission, the output shaft is movable with a bearing clamping plate to set the bevel gear contact play. In order to avoid, after setting of the gear contact play, having to readjust the shifting rods with respect to the sliding sleeves of the synchronizers, all of the gearshifting elements of the gearshift actuation as well as of the blocking interlock and preselection route blocking mechanisms are mounted on the bearing clamping plate and participate in the setting motion of the latter.

Abstract: A harmonic locking ring having a predetermined number of spaced holes centered on a major and minor circumference. Said holes fit over pins in concentric parts thereby locking parts together in desired positions within very close tolerances.

Abstract: A servo-motor assembly for a machine slide having a rack and pinion drive that includes a servo-motor support with a pinion carrying output shaft all totally supported by and cantilevered on a pair of normally flat parallel springs that bias the motor support and pinion toward the rack to eliminate backlash.

Abstract: An apparatus for controlling a pulse generator includes a sensor cooperating with a rotary detecting plate for generating a pulse, as for defining the timing for the printing operation. An indexing gear faces one side of the detecting plate, and is formed by a rotary member on which the detecting plate is supported. A plurality of indexing pins are provided on the one side of the detecting plate and engaged with teeth on the indexing gear. The pins are disengageable from those teeth and engageable with other teeth on the indexing gear by rotation of the detecting plate relative to the indexing gear. A spring normally urges the detecting plate in engagement with the indexing gear.

Abstract: An adjustable mounting for a shaft on a thin metal support plate wherein a cylindrical lounting flange is punched out of the plate to form an opening, and a bearing is rotatably mounted within the opening. The bearing has a radial flange engaging the external side of the plate and has a threaded inner end extending beyond the inner end of the plate flange. A nut is threaded on the threaded end and has a bore telescoped over the plate flange. The inner end of the nut has an edge which is tightened against the internal side of the plate. The plate flange, the nut and the radial bearing flange rigidify the contiguous area of the plate to minimize deflection. A flat adjusting member lays against the outer side of the support plate and has a rectangular aperture with parallel side edges which mate with chordal edges on the radial flange of the bearing. Rotation of the adjusting member causes the bearing to rotate.

Abstract: A kiln floor system having a plurality of sequentially operated, pivotally mounted trays capable of dumping a load of grain in a minimum of time. Typical field trays of the floor are coupled in pairs to a single air cylinder for economy of operation. The gear rack associated with the turning machine is independently adjustable to insure alignment of the gear rack. The floor includes stringer gage members to insure proper installation and alignment of the stringers. A wall panel is provided for updated restoration and automation of existing kiln floors.

Abstract: A torque division gearing assembly having an intermediate shaft drivingly connected with the output drive shaft is provided with a pre-fabricated bush means permitting angular positioning of the intermediate shaft in its torque branch gear train. An intermediate shaft gear for driving the intermediate shaft is connected by key means to a bushing element positioned concentrically about the intermediate shaft and rotatable relative thereto. The bushing element is provided at its opposite end with a gear teeth connection for interlocking with a corresponding gear tooth ring formed on a connection bush. At the other end of the connection bush, there is formed another gear teeth ring of reduced diameter for meshing with a corresponding gear teeth portion formed on the intermediate shaft. The two gear teeth rings on the connection bush have different diametral pitches, preferably amounting to one, in order to permit angular adjustment between the shaft and gear without disrupting the drive connection therebetween.

Abstract: An arrangement for securing pure skew adjustment of a cylinder, for example, a plate cylinder in a sheet-fed rotary printing press relative to an adjacent blanket cylinder. A bearing assembly at one end of the plate cylinder includes a cylinder bearing telescoped over the shaft and having flat support surfaces thereon facing radially outward in opposite directions. A guide bearing having a cylindrical outer surface is formed with a central window for receiving the cylinder bearing. The window defines a pair of flat inwardly facing way surfaces spaced parallel to one another for snug reception of the flat support surfaces on the cylinder bearing. The window also defines side walls spaced sufficiently to permit freedom of adjustment of the cylinder bearing along the way surfaces. An eccentric sleeve is fitted between the guide bearing and the frame with means for rockably adjusting the same to move the plate cylinder toward and away from the blanket cylinder thereby to vary the impression.

Abstract: A carriage drive system for a metal working machine wherein the carriage supports the metal working tool. The carriage drive comprises a worm gear rotatably engaged with a rack arrangement, driven by a motor and gear box on the carriage. The rack arrangement comprises a pair of rack sections opposed to one another along the sides of the worm gear. The carriage drive is pivotably supported on the carriage by a pivot pin which permits slight rocking and self centering motion in the carriage drive as it propels the carriage on its ways.

Abstract: The present invention is a device for a multicolor printing machine which permits continuous and precise axial setting of a form cylinder to obtain quality register printing during the printing operation of the machine. After setting of the form cylinder, it is also possible to eliminate clearance between the elements of the setting mechanism. The control elements are advantageously arranged on one side of the machine in such a manner as to be easily accessible for the operator. The device enables the elimination of clearance between the elements necessary for the axial setting by means of securing elements and the coupling of the drive gear with the form cylinder by means of a carrier in which the radial clearance has been eliminated and as a result, the shifting of the drive gear is made possible without introduction of radial clearance.

Abstract: A bearing and bearing mount comprising an adjustable combined sleeve and thrust bearing which may be adjusted during assembly for endwise positioning which is of generally top-hat configuration having a generally cylindrical sleeve bearing portion and a generally laterally outwardly extending annular rim-like portion providing a thrust bearing face generally perpendicular the axis of the sleeve bearing portion, the rear face of the rim-like portion being provided with a cam or ramp surface which rises progressively relative the front or thrust bearing face in a direction generally parallel the longitudinal axis of the sleeve bearing portion together with a saddle strap having a semi-cylindrical central portion adapted to engage the sleeve bearing portion and so fit against the sleeve portion of the bearing as to prevent it from rotating therewithin and provided with a cam or ramp surface that mates with and is adapted to engage the cam or ramp surface of the combined sleeve and thrust bearing so that relative

Abstract: A power plant including an internal combustion engine having a rotary output, a fuel injection pump having a rotary input adapted to be driven by the rotary output in timed relation thereto, and structure interconnecting the input and output including first and second spaced, nonengaging gears, one connected to the input and the other connected to the output, a third gear disposed between and engaging both the first and second gears, a movable carrier journalling the third gear and mounting the third gear for movement whereby the rotational axis of the third gear may be shifted relative to at least one of the first and second gears, and a selectively operable motor connected to the carrier for moving the same to shift the third gear to selectively alter the phasing between the engine and the fuel pump.

Abstract: The invention provides a simple, yet highly accurate device for synchronizing the speeds of two power-driven machines having separate, variable speed power-drives. A pair of shafts are respectively connected to the two machines and mounted in opposed concentric relationship for rotation in opposite directions at rates respectively proportional to the speed of rotation of the two machines. A differential unit is connected between the two shafts, such unit having equal size input and output sun gears respectively connected to the shafts. The planetary output of the differential unit is connected to a speed control element for at least one of the motors respectively driving the machines to vary the speed of such machine to bring it into rotational synchronization with the other machine.

Abstract: Apparatus for controlling a rotary shaft relative to a reference includes a strain wave drive having a specially shaped deformable ring gear for minimum stress. The wave generator part of the drive is normally caused to rotate with the input and output shafts connected to the drive's ring gears so that the two shafts are effectively keyed together. A tractive-type clutch assembly permits the wave generator to be rotated in one direction or the other relative to the deformable gear shaft so that the phase angle of the two shafts can be adjusted at a slow rate of speed dependent on the gear ratio of the drive. Also a tractive-type planetary assembly may be coupled between the clutch assembly and the wave generator so that the phase change may be accomplished at a plurality of speeds.

Abstract: A torque division gearing system is disclosed wherein two pairs of bevel gears are provided with each pair having a large bevel gear and a small bevel gear. One of the small bevel gears is arranged on an input shaft and the other small bevel gear is mounted on a second shaft parallel to the input shaft. Each of the small bevel gears drive the respective two large bevel gears arranged on a common axially displaceable shaft. The displaceable shaft is coupled by a gear stage to an output shaft.

Abstract: Constant rotation from a motor is converted into cyclical rotation for a transfer assembly by means of a drive mechanism having a continuous chain threaded around four sprocket gears arranged in a rectangular configuration with a second set of idler gears mounted on a movable block taking up the slack in the chain on two sides of the rectangular configuration. The movable block and idler gears are moved to and fro by the action of a pivoted cam follower which is reciprocated by a cam mounted on the driving shaft of one of the sprocket gears. Constant rotational power is supplied to the mounting shaft of one of the four main sprocket gears and cyclical rotation is taken out on the mounting shaft of the second one of the four main sprocket gears which is located on the opposite side of the driving chain slack from the driving sprocket gear.

Abstract: An engine camshaft drive includes timing belt pulleys which are angularly adjustable on their respective camshafts to provide manual adjustment of the engine valve timing. The arrangement features combination securing and adjusting means in the form of a threaded stud having an eccentric body portion intermediate its ends that coacts with a radially elongated opening in its associated drive sprocket to provide angular adjustment of the sprocket on the camshaft, while the stud also provides means for securing the drive sprocket to the camshaft when the adjustment has been completed.