Abstract: A flow shelf roller having an outer circumference, a radially central hub, and an axially central bore forming an inner circumference through the central hub. The inner circumference of each roller has at least one axial relief channel formed therein along the length of the axial bore. In a more particular embodiment, the axial relief channel is formed including a non-perpendicular angle with respect to the inner circumference of the roller. In a more particular embodiment, the axial relief channel includes at least one of an angled chamfer and a radiused corner, adjacent to the inner circumference of the first roller. The disclosure also includes a roller flow shelf including a flow bed roller having any or all of the aforementioned characteristics.

Abstract: A rotating body includes a cylindrical rotating member and bearings located at the ends located in the axial direction of the rotating member. In the rotating body, at least one of the bearings includes a metal inner ring portion having a bearing hole and a resin outer ring portion having first and second portions. The first portion is fitted into the rotating member. The second portion protrudes in the axial direction from the rotating member, surrounds the outer peripheral surface of the inner ring portion, has an outer diameter larger than that of the rotating member, and is in contact with an opposing object opposing the rotating member so as to maintain a specified size of a gap by which the rotating member and the opposing object are spaced apart from each other. The outer and inner ring portions are integrally molded.

Abstract: A roller device includes a roller main body, a shaft member, flanges, a position restricting member, a plate-shaped member, a biasing member, and a securing member. The shaft member is inserted into the roller main body and the flanges in contact with both ends of the roller main body. The position restricting member is secured to the shaft member at an end portion side of the shaft member with respect to the flange. The position restricting member restricts an axial position of the flange. Movement of the plate-shaped member toward the end portion side in an axial direction is restricted by the position restricting member. The biasing member biases the flange toward a center side in the axial direction. The securing member is disposed at the end portion side of the shaft member with respect to the plate-shaped member. The securing member engages the position restricting member.

Abstract: A quick change conveyor roll assembly for metal or glass processing comprising an inner roll shaft having a rigid and elongated cylindrical surface supported and rotationally driven by an associate rotor mean. At least one removable spool having a cylindrical body with a first diameter, a hollow interior therethrough and a collar rigidly adapted at a first end, the collar having a second diameter whereby the second diameter is greater than the first diameter. At least one removable and replaceable insulated roll sleeve being slidably mounted over at least a portion of said removable spool and abutting said collar, the insulated roll sleeve including at least one layer of an insulation material and a securing means operably adjustable to hold said roll sleeve about said removable spool at a second end in a predetermined location on said inner roll shaft.

Abstract: A roller includes a cylindrical body having openings on both ends thereof and a press-fit member fitted in at least one of the openings of the cylindrical body with an outer circumferential face thereof in contact with an inner face of the cylindrical body. The outer circumferential face of the press-fit member is grooved obliquely to an axis of the cylindrical body, and the inner face of the cylindrical body is smooth at least in a portion that contacts the outer circumferential face of the press-fit member.

Abstract: The present invention provides a rolling roll that has a shaft, which rotates around an axis and has one end that is connected to an output shaft of a rolling mill, and is configured such that a tubular sleeve member is mounted to a portion of the shaft on the side of another end, and a rolling ring, which is formed from a hard material, is fixed to an outer circumference of the sleeve member, wherein an inner circumferential support part is disposed on an outer circumferential side of the sleeve member; the rolling ring is supported by the sleeve member via the inner circumferential support part; a pressing member and a pressing mechanism are disposed on the other end side of the rolling ring; and the pressing member and the pressing mechanism press the rolling ring toward the one end side, thereby fixing it.

Abstract: A paint roller end cap for use with paint roller covers to keep a minimum spacing between the end of the paint roller cover and an adjacent surface to a painting surface. The end cap is configured for removable attachment to an exposed end of the paint roller cover. The end cap is either an annular ring for snug fit attachment to an end plug in the roller cover or a flat disk and stem for snug fit insertion into a central tube on the roller cover. The end cap includes one of a plurality of rib, a plurality of grooves, or a protruding disk to provide the minimum spacing from the adjacent surface.

Abstract: A bearing casing assembly for a conveyor roller tube having a casing, a stub axle, bearings, an outer seal member and shield cap, is provided. The casing includes a body having a shoulder at its distal end extending circumferentially and radially outwardly for abutting against an end of the roller tube, an inner flange extending circumferentially and radially inwardly near the distal end from the casing body and an internally threaded a proximal end. The casing also includes a casing seat having a threaded portion for threadingly engaging the threaded proximal end portion of the casing body and a bearing engaging portion adapted to abut the bearing for selectively adjusting a preload on the bearing by rotating the casing seat about the casing body. The bearing casing assembly may further include an inner seal member when fluid lubricating bearings are used.

Abstract: In a bearing arrangement (A) of a rotating brush roller (1), wherein the brush roller (1) is arranged by outwardly located end pieces via a bearing (10) in a support arrangement (9) of a brush housing (15), and the brush roller (1) (comprises) a spiral-shaped receiving shaft with an outwardly located through passage area for receiving and retaining a continuous brush strip (2) as well as an end face opening for provision and removal, it is provided that the outer area is covered by a closure part. In this regard, the closure part has a releasable sub-element (5) as a continuation part of the support arrangement (9), which uncovers an end face opening to the receiving shaft to the brush strip (2). The sub-element (5) is releasably fixable by a catch element (4) for a corresponding unlockable counter support (13) in the brush housing (15), and for forming a thread deflector has a deflector element (7) of metal in continuation of a stationary deflector element (11) of the closure part.

Abstract: A roller cap for removably mounting onto a distal end of an oversized roller cover adapts the oversized roller cover so that it can be used with a standard roller frame. The cap has a mounting portion mounted onto the distal end of the oversized roller cover and has a peripheral outer surface which frictionally engages with an inner bore of the oversized roller cover. A receiving portion is connected to the mounting portion and receives and frictionally secures the standard roller frame. The standard roller frame is passed through an aperture of the receiving portion, enabling the oversized roller cover to be used with the standard roller frame. A kit has at least one oversize roller cover, a standard roller frame and a cap. An inner tube can connect the receiving portions of caps, guiding the roller frame and producing a greater frictional fit.

Abstract: A coil-tube chunk for a roll feeder has at least one colleting device. Each of the at least one colleting device has a base and a chunk. The base has a mounting stand, a sharp-tooth mount and multiple screwing rods. The mounting stand is formed on and protrudes from the base. The sharp-tooth mount is formed on the base around the mounting stand. The screwing rods are respectively and securely mounted on the sharp-tooth mount. The chunk is mounted securely on the base and has a guiding face, multiple grooves and multiple engaging teeth. The guiding face is aslantly formed on an external surface of the chunk. The grooves are formed in the external surface and the guiding frace of the chunk at intervals. The engaging teeth are formed on the external surface and the guiding face of the chunk between the grooves.

Abstract: A flange having a post extending therefrom and a blade extending from the post to the flange. A core of a spool is designed to be positioned on the post for the blade to penetrate the core inside diameter and to provide torque to rotate the spool.

Abstract: An end cover part which is used to close an end of a cylindrical body, and transmits a driving force of a rotatable driving shaft to the cylindrical body, includes a cover member having a tubular portion into which the driving shaft is to be fitted, and a to-be-fitted portion which is disposed in a flange-like manner in a periphery of the tubular portion, and which is to be fitted into an end portion of the cylindrical body; cut surfaces which are disposed respectively on an inner circumference of the tubular portion of the cover member and an outer circumference of the to-be-fitted portion and concentrically about a common reference central axis; and a recess as defined herein.

Abstract: A tapered roller thrust bearing is disposed in each of both sides in an axial direction of a cylindrical roller bearing with aligning housing ring which is provided with an inner ring, an outer ring, cylindrical rollers and an aligning housing ring. The tapered roller thrust bearing is constituted by disposing tapered rollers between a first raceway surface which is an outer side face in the axial direction of the outer ring and a second raceway surface of a side raceway ring disposed in an outer side in the axial direction of the outer ring. An intersection of lines extended from generatrices of each of the tapered rollers which are in contact with the first raceway surface and the second raceway surface, and an intersection of lines extended from the first raceway surface and the second raceway surface are disposed on a curvature center of the aligning sliding surface.

Abstract: Disclosed is a guide roller wherein bearings are held in a housing, and liquid mixed with abrasive grains is prevented from entering the interior of the housing through a small hole, thereby improving service life. The guide roller is configured to comprise a housing wherein the bearings are held in the housing, and the housing has a shaft hole wherein a support shaft is inserted that is installed upon the bearings. The shaft hole is formed to have a tapered wall, and the diameter of the hole decreases continuously toward the interior of the housing.

Abstract: A sheet or film-forming roll 10 includes an inner cylinder member 20 having axial parts 21, 22 provided on both sides thereof and rotatably supported by bearing parts 26, 27 through the axial parts 21, 22, a rubber roll 40 fitted to an outer circumferential surface of the inner cylinder member 20, eccentric side plates 53, 54 rotatably fitted to the axial parts 21, 22 of the inner cylinder member 20 respectively, and an elastic outer cylinder member 50 rotatably supported by the eccentric side plates 53, 54. The elastic outer cylinder member 50, which is provided with a thin-walled structure and made from metal, has an inner diameter larger than an outer diameter of the rubber roll 40 to accommodate the rubber roll 40 in an interior 68 thereof, and has inner circumferential surface 50A coming into contact with an outer circumferential surface 40A of the rubber roll 40.

Abstract: A method for cooling a roller device, which has a right bearing housing, a left bearing housing, and a roller, which is rotatably supported by journals in the bearing housings, especially of strand guide rolls, roller table rollers, pinch rolls, support rolls, or driving rolls in continuous casting plants, in which a cooling medium cools the bearings mounted in the bearing housings and passes through an axial bore in the roller. The cooling medium enters the bearing housing of the roller device on one side, passes around the bearing mounted in this bearing housing, then flows through the axial bore in the roller to the other side, passes around the bearing mounted in the other bearing housing, and is then discharged from the roller device.

Abstract: A roll for use in a galvanizing pot, comprising a hollow body brought into contact with a steel strip, and shaft portions connected to the body, at least the body being made of a silicon nitride ceramic having thermal conductivity of 50 W/(m·K) or more at room temperature, and the body having an average surface roughness Ra of 1-20 ?m. The body is preferably shrink-fit to the shaft portions.

Abstract: An industrial roll includes: a stationary axle having a stepped profile and a bowed longitudinal axis, with a thicker internal section and a thinner end section; an end spool rotatably mounted on the axle; and a first thick ball bearing and a second thin ball bearing, wherein the first ball bearing is mounted between the spool and the thin section of the axle, and the second ball bearing is mounted between the spool and the thick section of the axle.

Abstract: A composite material roller that itself rotates comprises a cylindrical laminate 1 of fiber-knitted cloths 2 impregnated with resin; and a sheet 4, formed of a fiber different from that of the laminate 1, for covering the rotary surface of the laminate 1. The longitudinal elastic modulus of the fiber in the cloths 2 is made lower than that of the resin in the cloths 2. Also, the rigidity of the fiber in the cloths 2 is made lower than that of the resin in cloths 2. The above configuration reduces the contract pressure between the composite material roller and a structure on which the roller slides.

Abstract: A paint roller support may include a core support assembly suitable to receive a paint roller cover. The core support assembly may include a mid-portion having a shape that improves the performance of the core support assembly.

Abstract: A contact seal to prevent contamination from fouling a conveyor idler roll, the roll generally comprising a rotatable cylinder, at least one internal bearing assembly, and a fixed axle. A disc of thermoplastic polymer or similarly resilient material is adhesively attached preferentially to an outboard end cap of the idler roll to seal out contamination. A circular aperture through the disc allows the attached seal to rotate about the idler axle. At least one ring of felt or other porous material is adhesively attached to the disc circumferentially to the aperture to filter out contamination when the ring is in frictional contact with the roll end cap. The seal is preferentially divided along the longitudinal axis of the disc to form two interlocking semicircular half-pieces that are snapped together circumferentially about the idler axle so that no disassembly or modification of the idler is required to adhesively attach the seal.

Abstract: A ring, preferably in the form of a lock nut, made for combi rolls, which ring includes at least one spring device in which a mechanical compression spring is included that acts between, on one hand, a front press body that is movable to and fro in order to constantly forward a spring force generated by the compression spring and, on the other hand, a support body, which may assume a fixed position, but which is adjustably movable by way of a screw in order to alter the tension in the compression spring.

Abstract: A drum support structure of a production printing system is disclosed. The drum support structure secures a photoconductive drum within a printing system during operation. The drum support structure includes a plurality of ring members spaced in parallel along a longitudinal axis. The ring members have an outside diameter that corresponds with an inside diameter of the drum so that the ring members fit within the drum. The drum support structure also includes a plurality of connecting members that affix the ring members to one another. The drum support structure also includes an inner end cap that connects to an inner-most ring member through one or more connecting members and is adapted to contact one end of the drum. The drum support structure also includes an outer end cap that is adapted to fasten to an outer-most ring member and is further adapted to contact another end of the drum.

Abstract: The invention relates to a method for repairing a printing roller having a roller base body made (10) of plastic or a plastic compound material. Into the two end regions (14) of the roller base body, bearing support members (16) are inserted, said bearing support members being connected to the roller base body (10) by bonding. Due to the occurrence of high stresses during the operation of the printing roller, inner surfaces (24) of the bearing support members (16) may be damaged. The damaged bearing support members (16) will be milled on their inner surfaces (24). Then, a respective sleeve (32,44) is inserted into the bearing support members (16). The inner surfaces (36) of the sleeves (32,44) serve for taking up outer bearing rings (26) of the roller bearings supporting the printing roller. The invention further relates to a printing roller with inserted sleeve (32,44).

Abstract: A roller device for a toner cartridge includes a spindle and a roller body. The roller body has a foam layer disposed around the spindle, and an outer tube disposed around the foam layer. Both of the outer tube and the foam layer are made of a thermoplastic material. The roller body has a bulk resistance ranging from 102 ohms to 1010 ohms.

Abstract: A pin and double roll assembly, in which mounted on the pin are a horizontal thrust bearing and a vertical roller bearing. Mounted over the roller bearing is a double sided seaming roll. A cap over the roller bearing and retained against the double sided seaming roll and retained by a screw holds the parts in relation to each other. The thrust bearing and the roller bearing allow the double sided seaming roll to rotate on the pin during use. A sealing ring between a lip on the pin and the double sided seaming roll seals the part such that water or corrosive liquids cannot reach the thrust bearing or roller bearing as the part is used.

Abstract: The present invention relates to a floor covering storage and dispensing rack including a frame equipped with extendable members having castors. Floor lock anchors are also provided on the frame. Upper frame members of the rack support rollers in spaced relation and a crank or motor is provided to rotate the rollers to wind floor covering onto the rollers for storage. Perforated end caps are provided on the rollers to limit access to moving parts. An elongated cleaning head consisting of a pair of brushes is provided on a frame member. Floor covering passes over at least one brush when the floor covering is retrieved or dispensed to remove dirt prior to storage or reuse.

Abstract: A bearing assembly for an axially mobile cylinder in a printing press is provided. The bearing assembly includes an endpiece adapted so as to be mounted on a frame of the press and defining a central axis and a bearing arrangement for bearing a cylinder on the endpiece in rotation about the central axis and in translation along the central axis. The bearing arrangement includes a first bearing which is a radial bearing, notably an exclusively radial roller or needle bearing, and a second bearing which is either an axial/radial combined bearing or an only axial bearing. The second bearing is adapted so as to be fixed or attached with respect to the cylinder and connected to the endpiece via an axial spring with elasticity along the central axis. The second bearing is axially mobile with respect to the endpiece.

Abstract: A device for managing a retractable sheet that is wound on a roller by the action of a spring that may be extended by pulling on the exposed edge of the sheet wherein the device is used for printing messages thereon or for obscuring the view of nearby items. The device is easily changeable for multiple uses as the roller containing the sheet is separable from the main unit, allowing reuse of the more complex and expensive components of the device. A brake on the device prevents the spring from unwinding when the roller is removed. A damping mechanism limits the retraction speed of the sheet, which the damping mechanism being disengaged when the sheet is being pulled out. A cover is provided to obscure the main part of the unit and to prevent tampering. A unique slot configuration allows for easy, tamper-resistant installation of a header card. A pull tab is made of inexpensive components and is designed to allow for easy placement of a graphic label.

Abstract: A conductive member (10) includes a conductive supporting body (1), an electric resistance adjusting layer (2), which is formed onto the conductive supporting body (1) and is disposed to face a photoconductor (4), and a pair of space holding members (3, 3) disposed in both ends of the electric resistance adjusting layer (2), so as to have contact with the photoconductor (4) to maintain a predetermined gap (G) between the electric resistance adjusting layer (2) and the photoconductor, and each of the space holding members (3, 3) includes a cylinder portion (3a) attached to the outer circumference surface (2a) of the electric resistance adjusting layer and an end plate (3b) provided in one end portion of the cylinder portion and disposed to have contact with the end surface (2b) of the electric resistance adjusting layer.

Abstract: A pin wheel roller assembly for a bacon slicer. The roller assembly is formed with a number of individual spacer segments and an end cap. The pin wheel assembly is formed with a pin wheel sandwiched between adjacent cylindrical segments and the end cap.

Abstract: A novel paint roller “cage” having improved tracking and ease of use is adapted for receiving different length axle shafts of various sizes of paint roller frames. An outer tubular support, upon which a paint roller cover or other paint absorbing material may be mounted, contains a pair of support bearings secured at either end of an inner tubular chassis, with one support bearing at a first end of the outer tubular support, and the other support bearing at approximately its mid point. The two support bearings are connected by an inner tubular chassis, which both maintains the two bearings at a desired axial spacing and also holds the walls and radial bearing surfaces of a bushing chamber that is integrally molded with each support bearing in proper position about a tubular bushing that is adapted to be frictionally secured to the axle shaft. In one embodiment, the outer tubular support has a diameter of about 1? and a length of about 9?, and can be used with both 6.5? and 9? roller frames.

Abstract: A self-cleaning mounting system for a ground roller assembly to be used on a mower such as a flail mower including a stationary sleeve bearing positioned on mounting shafts extending from either end of the ground roller. The stationary sleeve bearing is positioned in a housing which is vertically positionably with respect to the mower housing. The housing includes a stationary helical flight and a seal guard which fits within the ground roller. The stationary sleeve bearing is protected on either end from dirt and debris getting between the inside surface of the stationary sleeve bearing and the outside surface of the mounting shafts on either end of the ground roller.

Abstract: The invention relates to the design of multiple piece rolls, in particular backup rolls, for the use in metal rolling. The roll comprises a main part with a center bore for the removal of center defects or flaws arising from the manufacturing process, e.g., from casing or forging and at least an end part, whereas the end part has no center bore or a center bore with a diameter smaller than the bore diameter of the main part.

Abstract: A roll assembly with a roll and rotational bearings. The rolls exhibits a reinforcement with a fiber composite material which is located inside the roll. The reinforcement is located between the rotational bearings, and designed such that the roll is reinforced against bending stress. The roll assembly is optimized with a low moment of inertia and high stiffness in order to allow the roll assembly to be stopped faster in the event of malfunction and to ensure that the roll exhibits low bowing in the operational state.

Abstract: A roller for a web-processing machine has a support core, which is braced in the region of both its ends via a respective bearing arrangement, and an outer covering, which in its axially central region is braced in a radially fixed manner in relation to the support core and in the region of its two ends is braced in a radially displaceable manner in relation to the support core by a respective additional bearing arrangement, whereby the radially extending center plane of both the support core bearing arrangement and the outer covering bearing arrangement lies axially within the outer covering, and the outer covering is displaceable in the region of its two ends respectively by an actuator arranged preferably within the outer covering.

Abstract: A roller has an outer tubular member, a central shaft, a connecting member that connect the outer tubular member and the central shaft at a central area of an axis of the roller, connecting the outer tubular member and the central shaft, a bend adjustable mechanism disposed between the outer tubular member and the central shaft at both ends of the roller, a first bearing structure that engages the outer tubular member and the bend adjustable mechanism; a second bearing structure that engages the bend adjustable mechanism and the central shaft; and a rotation preventing mechanism that prevents rotation of the bend adjustable mechanism. The bend adjustable mechanism has a plurality of spacer structures that individually adjust a distance between the first bearing structure and the second bearing structure in a radial direction of the roller.

Abstract: A roller, in particular an expander roller, for a web-processing machine, has a support core, which is braced in the region of both its ends via a respective bearing arrangement, and an outer covering, which in its axially central region is braced in a radially fixed manner in relation to the support core and in the region of its two ends is braced in a radially displaceable manner in relation to the support core by a respective additional bearing arrangement, whereby the radially extending center plane of both the support core bearing arrangement and the outer covering bearing arrangement lies axially within the outer covering. Preferably the outer covering is displaceable in this case in the region of its two ends respectively by an actuator arranged within the outer covering.

Abstract: A rotary part, in particular a spreader roller for a web-processing machine has a supporting core with a longitudinal axis, said supporting core being mounted at its two longitudinal ends, and having an elastically flexible outer sleeve which surrounds the supporting core in its circumferential direction and extends, in at least some sections, between the two longitudinal ends of the supporting core. The outer sleeve on the supporting core is non-displaceably mounted on at least one bearing and that the outer sleeve is mounted on at least one displacing point at a distance from the bearing so as to be displaceable perpendicular to the longitudinal axis of the supporting core in order for the curvature of the outer sleeve to be adjustable.

Abstract: Apparatus for creating a seal between an axle journal and a bearing housing is disclosed, particularly for use in apparatus for dewatering or washing material suspensions. The apparatus includes a stator ring, a pair of diagonally disposed guide pins supporting the stator ring with respect to the bearing housing so that the stator ring can be angled in a plane with respect to the pair of guide pins, a sealing ring for creating a seal between the stator ring and the axle journal, a bellows for creating a seal between the bearing housing and the stator ring, and at least one resilient member for urging the stator ring in abutment against the sealing ring.

Abstract: A motorized roller is provided, in which processing of the power transmission section thereof can be performed simply and with good productivity, and the processing precision can also be improved. The motorized roller includes a motor and a reducer which are disposed inside a roller body. Rotations of the motor are reduced by the reducer and transmitted to the roller body. In this motorized roller, a rotor connected to the roller body so as to transmit power of the reducer to the roller body is disposed inside the roller body, and the roller body is configured to be divided at a power transmission section thereof between the rotor and the roller body.

Abstract: Embodiments of a method for manufacturing a paint roller support are disclosed. According to one embodiment, a method of manufacturing a paint roller support comprises placing first and second bearings on an elongated shaft at spaced apart locations such that the bearings are retained against rotational and axial movement relative to the shaft, and placing first and second rotatable hubs on the first and second bearings, respectively, the hubs being configured to rotate relative to the bearings and to each other and having outer surfaces on which a roller cover is placed during use, wherein the first and second hubs are retained on the shaft by the first and second bearings, respectively.

Abstract: The present invention provides a rolling roll that has a shaft, which rotates around an axis and has one end that is connected to an output shaft of a rolling mill, and is configured such that a tubular sleeve member is mounted to a portion of the shaft on the side of another end, and a rolling ring, which is formed from a hard material, is fixed to an outer circumference of the sleeve member, wherein an inner circumferential support part is disposed on an outer circumferential side of the sleeve member; the rolling ring is supported by the sleeve member via the inner circumferential support part; a pressing member and a pressing mechanism are disposed on the other end side of the rolling ring; and the pressing member and the pressing mechanism press the rolling ring toward the one end side, thereby fixing it.

Abstract: A roller for various machines and apparatus includes at least one roller core having a hollow body and two opposite communicable open ends, and at least one end cap joined to at least one of the two opposite open ends of the roller core by way of friction welding. The end cap is provided on one of two opposite sides with an axially outward extended engaging section for inserting into the hollow body of the roller core, and an annular groove is provided around the engaging section. With the above arrangements, the roller can be easily produced at reduced manufacturing cost and having a reduced weight but increased structural strength.

Abstract: A device for recirculating oil from the end face of the barrel and the peripheral surface of the roll neck of rolling mill rolls. A sealing race arranged between the bearing elements and the end face of the barrel is mounted on the roll neck. A first conical ring body has a conical outer surface and a cylindrical inner surface that is seated on the outer surface of the sealing race and is sealed from the race, whereby inclination of the conical outer surface towards the end face runs towards the roll axis. A second conical ring body is rigidly mounted in the bearing housing and has a conical inner surface, which conical inner surface is arranged some distance opposite the conical surface of the first conical ring body, such that the two conical surfaces form a hydraulic pump gap that conveys oil away from the end face.

Abstract: A beam structure for a paper, board or finishing machine is suited for use in all applications where, for instance, a doctor or a coating device or a measuring device needs to be supported on a cross-directional beam of a paper or board machine. The beam (50) has an inner and outer shell (52, 54) which are situated inside each other and which are supported to each other over some of their length, and that one shell is supported stationarily by its ends to the frame structures (62) of the said paper, board or finishing machine, and that one shell deflects when the beam is loaded while the other shell remains essentially straight.

Abstract: The present invention is a roller for use in a fuser assembly of a reproduction apparatus. The roller includes a generally elongated substantially cylindrical tube having two ends. End gudgeons having a cylindrical wall extending from a surface of the gudgeon matching the cylindrical tube are welded to the ends of the cylindrical tube. The present invention is also a method to manufacture a fixing roller or core.

Abstract: An object of the invention is to provide a photoreceptor drum exceedingly advantageous for obtaining clear images free from positional image shifting and image blurring. In the invention, a photoreceptor drum is constituted of a drum main body and a first and second flange members to be attached respectively to both lengthwise-direction ends of the drum main body. The drum main body is constituted of a cylindrical body and a photosensitive layer formed on the surface of the cylindrical body, and the cylindrical body has a fitting hole formed in each end thereof. The first and second flange members have cylindrical parts to be fitted into and fixed to the fitting holes in the drum main body, and further have shaft support parts. The photoreceptor drum has been formed so that the radial deflection thereof based on a central axis L connecting the centers of the shaft support parts of the first and second flange members is 15 ?m or less.

Abstract: A transport shaft for a folding machine includes a shaft body (12), which has an annular cross section, and at least one transport element (14, 16) of annular cross section mounted in a rotationally fixed manner on the shaft body (12). The shaft body (12) is made from carbon-fiber synthetic material.