Abstract: A laminating system includes a pair of heated laminating rollers (14, 110) for drawing laminating film (12, 114) from supply rolls and preheat members (30, 118) between the supply rolls and the laminating rollers. The preheat rollers are heated internally by a recirculating fluid system or by an electrical mechanism (212-220), while the laminating rollers are heated by a fluid system (70-82) or a separate electrical system. The system also includes pull rollers (18) for drawing the laminated articles from the laminating rollers and a blower system (20, 232) for cooling the articles.

Abstract: An apparatus for feeding paper in a printer adapted to utilize both fan fold paper and cut sheet paper includes a push tractor for feeding fan fold paper. A print head is positioned downstream of the push tractor along the paper path. A paper feed roller is positioned intermediate the push tractor and the print head. The feed roller selectively feeds paper towards the print head. A discharge roller is positioned downstream of the print head for feeding paper. The apparatus detecting the type of paper being fed and varying the pressure utilized by the feed roller to feed the paper in response thereto.

Abstract: A sheet conveying apparatus for conveying a sheet comprises a rotatable conveying roller for conveying a sheet, an intermediate roller engageable by the conveying roller, and a biasing roller mechanism shiftable between a bias position where the biasing roller mechanism abuts against the intermediate roller and a release position where the biasing roller mechanism is separated from the intermediate roller. The biasing roller mechanism is divided into a plurality of biasing rollers in accordance with widths of the sheets to be conveyed.

Abstract: An apparatus for selectively feeding tape having label patterns printed on it at one of two different speeds to maintain alignment of the label patterns with a downstream device such as a cutter for severing the tape between label patterns. Marks on the tape associated with the individual label patterns are monitored by a sensor to detect misalignment of the tape. The tape is fed between a driven feed drum and a spring biased pressure drum. The feed drum is mounted on a main shaft. A drive shaft extends parallel to the main shaft. A pair of gears are mounted on each of the shafts and each gear meshes with one of the gears on the other shaft to form two separate power transmission paths. The sizes of the gears are selected so that the gear ratios of the two power transmission paths are different. The gears on the main shaft are selectively fixed to the main shaft for rotation with it by electromagnetic clutches controlled by the sensor.

Abstract: A solder dispensing apparatus having a pistol grip handle configuration housing a rechargeable power supply employed for energizing an electric motor which drives a set of pinch wheels for pulling a line of solder from an externally mounted solder spool through the dispensing apparatus and out a solder dispensing extension tip for improving the maneuverability and dispensibility of the line of solder to a designated solder joint through a maze of computer equipment printed circuit board obstructions while minimizing the probability of thermal damage to coaxial cable insulation by direct contact and permitting completion of a cleanly soldered joint on both sides of the printed circuit board within a critical time period for avoiding insulation damage caused by heat accummulation.

Abstract: A glue transporting mechanism for a molten glue discharging device essentially comprising a heating element, a transporting tube and a gear to move the introduced glue strip such that the heating element means the strip and the melted glue is delivered through the tube.

Abstract: A planetary wire-feeding mechanism has a left and right driving roll with hyperboloid profiles in a housing made up of two equal left and right cylinders, with an axis of rotation coinciding with the geometric axis of the electrode wire. The two cylinders contact one another and are joined detachably. In each of them there is shaped semi-cylindrical seats having parts with a common axis perpendicular to the geometric axis of the electrode wire and disposed in the plane of contacts between the two cylindrical parts. In the semi-cylindrical seats there are mounted two identical units, disposed in opposite directions, each unit having a base and two opposite legs, the legs of the two oppositely disposed units being interdigitated when they are mounted within the housing. Such units constitute supporting-guiding components upon which they are disposed on the right and left driving rolls.

Abstract: A friction feed media drive mechanism for a sign plotter includes a front idler roller and a back idler roller positioned under compression against a drive roller. The compression may be selectively applied by the user depending whether a friction feed or pin feed mode of operation is desired. Where the pin feed mode of operation is desired, the compression assembly is released and no compression is applied. The compression assembly includes a compression spring loaded member which fits through an opening in a housing and is selectively secured therein by a securing rod attached to a cam shaped knob. The front idler roller and back idler roller are both attached to a roller holding assembly, which has a groove therein adapted for fitting over the driving pins. The two idler rollers extend below the surface of the attaching assembly and may have a hard plastic sleeve on the ends thereof to reduce bending.

Abstract: The apparatus for conveying plate-like parts, especially circuit boards, of varying thickness, comprises an upper roller and an associated lower roller between which the plate-like objects are fed, and a gear-tooth system, connecting the lower roller with the upper roller, by which the lower roller drives the upper roller. So that the apparatus operates optimally even with substantially thicker than usual objects, the gear-tooth system is structured to maintain a constant axial spacing between the lower roller and the upper roller. The upper roller with its gear teeth is mounted with an upper roller bearing in a circular arc-shaped coulisse, and the arc center point of the circular arc-shaped coulisse is positioned at a bearing center point for the lower roller, so that the radius of the circular arc-shaped coulisse corresponds to the axial spacing of the gear system. A method for conveying plate-like parts of varying thickness is also described.

Abstract: A guide device (11) for feeding cord (2) from a source, such as a reel, to a mandrel (1) via an application roller (8). The device (1) has a body (12) housing a knife (10) for cutting the cord (2), and also houses a cord end retaining means (24) for holding the severed end of the cord from the reel after cutting. The retaining means is a resilient roller (24) which is biased against the application roller (8) to hold the severed cord end between the two rollers. Such a guide device can be used during the manufacture of a cord reinforced elastomeric ply for a pneumatic tire.

Abstract: Apparatus for the continuous shearing off and cold swaging of metal workpieces, particularly wire material, comprises a device (1') for feeding the material (5), a pivotable shearing device (2), a slide (1) for swaging the sheared-off part, and a die-studded chuck (31). These components are arranged so that they are distributed in the machine frame (11) along the sides of a U. These components can all be driven by a motor (4) via a conventional drive. Feeding of the material (5) in the direction of the chuck (31) takes place with intermittent motion and in synchronism with the movements of the described components of the machine. The production output of finished parts is greatly increased by the chosen arrangement, the intermittent feeding of the material, and the pivotability of the cutter. The slide has a holder (37) for a plurality of tools in sockets (43, 44, 45 or 43', 45').

Abstract: Two pressure wheels are mounted on respective support parts and are pressed against respective edges of print medium by a common force-applying device such as a cable acting substantially equally on two mechanical devices on which the pressure wheels are mounted in order to transmit substantially identical forces thereto; each wheel may be mounted at one end of a lever which is hinged to the corresponding support part and which supports a pulley over which the cable passes.

Abstract: A yarn dispenser having upper and lower rollers feeding yarn from a skein. The upper roller is pivoted to the side for insertion and removal of yarn. The upper roller has a part of its central circumference recessed so as to free yarn one time in each rotation of the upper roller, to thereby prevent balling of the yarn. A miniature, 1.5 V battery powered motor powers the rollers via an O-ring belt drive. A foot controlled switch is used in the electrical circuit. The yarn dispenser can be mounted in a briefcase sized receptacle by snap fasteners or may be removed, in which case the dispenser can be supported above a supporting surface on a removable cover on which the base rests.

Abstract: Disclosed is a paper conveying roller configuration for an image forming apparatus composed of a lower unit and an upper unit, the latter which is rotatably pivoted on the lower unit, having a paper conveying passage formed at the boundary surface or junction of these upper and lower units, with one of a pair of paper conveying roller configuration being disposed on the upper unit and the other one on the lower unit, wherein one of the paper conveying roller configuration is supported by a series of springs.

Abstract: The paper feeder incudes an upstream friction roller pair for single sheet feeding, a pushing tractor for endless sheet feeding, and a common downstream (behind the platen) friction roller pair. Each pair has one roller mounted on a pivot lever and the two levers linkedly held in a spring biased linkage such that consistently the downstream roller pair exert a smaller friction force while rotating at a higher speed.

Abstract: An apparatus for placing a folded web of film under tension comprising at least one pair of rollers, a first side of the folded web of film being fed between the pair of rollers, the pair of rollers being mounted out of parallel to the first side of the folded web of film and pulling the first side of the folded web of film in a first direction, and a member for preventing a second side of the folded web of film from moving in the first direction. Preferably, the member biases the second side of the folded web of film in a second direction opposite the first direction. A method for placing a folded web of film under tension is also provided.

Abstract: A pinch roller driving mechanism used in a magnetic recording and reproducing apparatus including a rotary head comprises: a pinch roller arm driving member provided on a pinch roller pull-out gear to rotate in the same direction as the gear; a pivotable pinch roller arm connected to the pinch roller arm driving member; and a pinch roller link having one end pivotably linked to one end of the pinch roller arm and the other end pivotably linked to a pinch roller block which supports a pinch roller and moves along a guide groove to bring the pinch roller into close contact with a capstan shaft.

Abstract: An extractor for pulling individual tubes from a tube sheet in a heat exchanger. The extractor includes a pair of serrated, drive wheels or drivers mounted in a housing on parallel rotating shafts. The tube drivers have inclined teeth which project into opposite sides of a passageway along which a tube is drawn. The spacing between the drivers is adjustable to accommodate different sized tubes, and the drivers are spring biased towards each other, to provide a constant gripping force on a tube within the passageway. The drivers are respectively rotated by two hydraulic motors, with the hydraulic power supply connected in series, thereby providing substantially synchronous rotation of the drivers.

Abstract: A stuffer box crimper wherein the crimper roll surfaces comprise a hard wear resistant coating between opposite edge portions of the parent metal of the roll.

Abstract: A capstan or pressure roller shaft is journalled in a single one-piece elongated bearing member having a bearing surface sufficient to define radial position and inclination of the shaft. The bearing member is aligned with respect to a mounting support on the tape recorder, to adjust shaft alignment, by two axially spaced cylindrical positioning surfaces which are received in axially spaced cylindrical receiving surfaces in the support. At least one of the positioning surfaces is eccentric with respect to the bearing member, and is fixed to the bearing member so that rotation of the bearing member about an axis defined by the receiving surfaces adjusts the inclination of the shaft. The shaft inclination may be adjusted by inserting a tool into the tape recorder, engaging a journal formed in a mounting support adjacent the bearing member, the tool having a gear which engages a toothed portion on the bearing member for rotating the bearing member about the support axis defined by the support receiving surfaces.

Abstract: A portable recorder has a pinch roller moved to engage a capstan, a recording head brought into a recording position and a motor to power the recorder switched on through the sliding movement of a slide assembly in engagement with the case of the recorder near a hinge between bottom and top portions of the case. The capstan is rotated about an axis substantially perpendicular to the plane of the case by a pulley arrangement driven by the motor with an axis substantially within a plane parallel to the case. The recording head is mounted to the slide assembly which includes a roller attached to the back thereof for rotating engagement with the case when it is opened and closed. Rotating movement of the roller causes the slide assembly to move back and forth within the case as the top of the case is opened and closed causing the recording head to move near or away from the tape. A spring mounted to the case and the slide assembly biases the slide assembly to a remote position when the case is opened.

Abstract: Disclosed is a pinch roller controlling device in a cassette tape recorder, comprising: a chassis; a pinch roller support plate and a control lever respectively pivotally attached with a first and a second support shaft on the chassis at respective intermediate portions of the pinch roller support plate and the control lever; a capstan shaft supported on the chassis; a pinch roller pivotally attached on the pinch roller support plate at one end portion thereof arranged to be movable to advance to/retreat from the capstan shaft; an elongated guide hole formed in said pinch roller support plate at a portion between the one end portion of the pinch roller support plate and the first support shaft; a control plate slidably mounted on the chassis at the side of the second support shaft and formed with a cam hole; a driven pin projectingly provided on the control lever at one end portion thereof and inserted into the cam hole; a connecting plate pivotally attached at one end portion thereof on the control lever at

Abstract: In an aircraft cable feed out and retrieval storage apparatus, a storage compartment communicates with an assembly housing, having an inclined wall connecting between the two, with the assembly housing incorporating a base that mounts a pair of friction wheels, one of the wheels being an idler wheel, that is shiftable, and can exert pressure upon the ground cable arranged intermediate thereof, so that upon energization of a motor operatively associated with the other frictional drive wheel, the ground cable can be fed out, or retrieved, as required; the apparatus can be installed suspended to the underside of the passenger tunnel of an airline terminal, supported upon legs for mounting to the ground, or be conveyed upon wheels, and moved through actuation of a handle. The base of the assembly housing is pivotally mounted, or removable, to provide immediate access to its operating components and to facilitate their prompt servicing.

Abstract: A roller entry guide to guide material along a longitudinal axis has a body and a pair of generally parallel roller assemblies pivotally mounted on the body for rotation about an axis normal to the longitudinal axis. Each of the roller assemblies is located on an opposite side of the longitudinal axis to define a passageway for material moving along the axis and includes at least one roller rotatably attached thereto. The guide also includes a wedge that acts between the roller assemblies and the body. The wedge has a pair of legs disposed at either side of the body. These legs have tapered portions at the ends thereof which are operable on respective roller assemblies. An adjustment assembly is operable on the wedge to position the wedge to induce rotation of the roller assemblies about a vertical axis, and cause the rollers to be moved simultaneously and to equal distances towards or away from the longitudinal axis.

Abstract: A portable hand-held apparatus for sharpening fish hooks and stripping lines from a fish spool. The apparatus includes a housing having an inlet port, an exit port and an aperture through which a sharpening mechanism extends. A motor mechanism is mounted within the housing operatively connected to a roller mechanism and the sharpening mechanism. The roller mechanism is aligned with the inlet and exit ports and is arranged to engage the free end of a line, guided through the housing inlet port. The roller mechanism transports the line through the housing and out the exit port, stripping the line off the spool. A sharpening mechanism rotatably projects through the housing aperture to engage a fish hook barb or other object.

Abstract: A device for transporting a flexible strip (11) along a guide (15) by means of conical pressure rollers (35 and 45), whose apices face each other. The pressure rollers (35 and 45) are loaded by a spring (65, 135) common to both rollers, as a result of which an accurately defined directional force is obtained towards the guide (15).

Abstract: A more space-effective method and device for the feeding of a material web (1) is obtained by making use of a web feeding unit (2) for feeding as well as correction of register. The web feeding unit (2) is provided for this purpose with two driving devices (14,15) which during operation are used alternately for feeding and register correction respectively of the material web.

Abstract: Tape drive apparatus having a drive roller 1 and pinch roller 2 including a idler roller 3 around which tape 4 passes. The pinch roller 2 which is rotatable about two normal axes (A2 and A4), is resiliently urged against the drive roller 1 and the idler roller 3, the two rollers being spaced apart from each other. This apparatus is particularly useful for magnetic tape cassettes, the pinch roller 2 being formed as either part of the cassette or as part of a tape recorder/player for using a cassette.

Abstract: A sheet feeding device in an impact-type printer, in which a leaf spring member is provided below a platen which is in confronting relationship with printing heads. The pressure rollers are rotatably mounted on the leaf spring member while a cam surface is defined on one of the guide shafts which mounts the printing mechanism for reciprocal movements along the platen. The leaf spring member at one end engages the cam surface so that it is flexibly displaced with respect to the platen in response to rotation of the guide shaft so as to move the pressure rollers towards or away from the platen.

Abstract: There is disclosed web feeding apparatus and method for feeding a web from a web roll to a utilization device. The paying out of the web from the web roll into a U-shaped buffer loop is assisted by a pair of cooperating feed rolls which engage the web along the buffer loop. When the loop decreases to a certain extent, a sensing member causes the feed rolls to rotate to pay additional web material out of the web roll until the loop has increased to a certain extent. The web material extends from the buffer loop over the web roll and is guided to the utilization device, for example, a printer. The feed rolls can be caused to rotate when a manually engageable lever is moved in one direction. Alternatively the feed rolls can be separated and caused to rotate when the member is moved in the opposite direction. The apparatus also includes a reel assembly having a reel for handling web rolls having a variety of different widths.

Abstract: A mechanism for controlling parallelism between a pinch roller and capstan shaft, wherein a support arm shaft rotatably supports a support arm. A wall is provided on the base board close to the support arm shaft. The support arm shaft is inclined toward the wall. The wall is fitted with pinch roller parallelism-controlling mechanism which is pressed against the inclined support arm shaft to push it in the opposite direction to that of its inclination.

Abstract: A coiling apparatus for long-size products comprising an assembly for drawing long-size products and an assembly for coiling the long-size products, wherein said assemblies are disposed separately in the direction of movement of the long-size products. The assembly for drawing the long-size products incorporates at least one drive shaft and at least one spring-loaded roll wherebetween the long-size product moves, and also comprises a fork holding the spring-loaded roll, and a guide rack wherein the fork is inserted.

Abstract: A tape driving mechanism has a pin projecting from a base plate of a tape recorder, a capstan shaft rotatably mounted on the base plate and a pinch roller holder rotatably mounted on the pin. The mechanism further comprises a pinch roller rotatably mounted on a first end portion of the pinch roller holder opposite to the pin, a torsion coil spring and an urging member. The torsion coil spring is provided on a portion of the pinch roller holder with both ends of the torsion coil spring in engagement with other portions of the pinch roller holder. The urging member urges an end portion of the torsion coil spring to rotate and urge the pinch roller holder to resiliently press the pinch roller against the capstan shaft.

Abstract: Apparatus and method for feeding a single electrical wire or a plurality of electrical wires including a feed roller means and a pressure roller means. A length of wire placed between the feed roller means and the pressure roller means is driven by the feed roller means while the pressure roller means is biased toward the material keeping the material in driving contact with the feed roller means. The pressure roller means includes means for adjusting its position automatically as the material varies in size. In the case where a plurality of lengths of wire is fed by the feed roll means, each length of wire has its own pressure roller means which independently adjusts itself to the varying size of the material being fed thereby.

Abstract: A fire hose retracting and flattening apparatus has a first endless belt having a width at least as great as that of the hose to be retracted which is mounted in a main frame so as to have a generally planar run thereof on which the hose can be lain. The belt is mounted so as to be operatively connected to a motor to effect the driving thereof in a retracting direction. First and second pairs of rollers are provided which co-act with the planar run of the belt to retract and flatten the hose disposed thereon. The first and second roller pairs are mounted above the planar run, with the first roller pair downstream of the second roller pair, for pivotal movement between a first position wherein the first roller pair is adjacent to the run and the second roller pair is spaced apart therefrom and a second position wherein the first roller pair is spaced apart from the run and the second roller means is adjacent thereto.

Abstract: Planetary wire-feeding device having a housing containing rollers which freely rotate about axles arranged at an angle to each other and crossing the electrode wire being fed by the mechanism. In one embodiment disclosed herein the housing is of spherical form and is made of two identical hemispherical parts interconnected by means of connecting means which are placed in tension. Two opposite coaxial holes the geometrical axis of which lies at the contact plane between the two hemispherical parts of the housing are formed in the hemispheres. The unit for thrusting the opposed rollers toward each other and into engagement with the wire is formed as a support seat formed in each hemispherical part of the housing, the seats being parallel to the contact plane between such hemispherical parts.

Abstract: An apparatus for retrieving and storing an elongated flexible element such as an electrical cord, garden hose, air hose, vacuum hose, rope, or the like. The elongated flexible element has a first end for attachment to a service and a second end for attachment to an article to be coupled through the elongated member to the service. The apparatus includes first and second wheels and a framework for supporting the wheels. The supporting framework supports the wheels for rotation about their respective axes, the axes extending generally parallel to one another. The space between the wheel peripheries is selectively adjustable such that, when the wheels are in the use orientation, the wheel peripheries bear frictionally upon the surfaces of the flexible element to move the flexible element therebetween as the wheels are turned. One of the wheels is turned to retrieve the flexible element. A storage hopper is attached to the support framework for storing the retrieved flexible element.

Abstract: A ticket dispenser includes a drive roller and an idler roller so that power rotation of the drive roller advances tickets between them; the drive roller is movable toward and away from the idler roller and is so disposed and supported that a manual pull on the tickets to withdraw them when the power is off will serve to bind the tickets firmly between the rollers and prevent them from being pulled out.

Abstract: An apparatus for unwinding underground cables includes a framework chassis which is open ended and open bottomed and rests on the ground such as a trench bottom. Mounted on the chassis are horizontal support rollers which support the horizontal cable as it is propelled through the chassis by a peripherally grooved driven pulley applied against the upper side of the cable. The pulley is driven about a horizontal axis by an electric motor via a gearbox. The chassis carries vertical guide rollers on either side of the cable to constrain it to a given path. The guide rollers on one side are movable to permit release of the cable from that path when a support arm carrying the pulley, gearbox and motor is pivoted upwardly, by manual action on a pivotable handle, to lift the pulley off the cable.

Abstract: A planetary device for feeding electrode wiring in welding operations is provided with a housing through which the wire is fed, the central portion of the housing being shaped as a flange with a hub, and the front side thereof being provided with seats housing pistons bearing radially adjustable wire-feeding rollers. The piston heads are in constant contact with the shorter arms of bow-type double-armed levers hingedly affixed to the flange portion of the hub and located perpendicularly to the axis of the electrode wire fed through the housing. The longer arms of the levers contact the surfaces of a cam supported in the hub of the housing for rotation with respect thereto. A torque spring in the form of an Archimedes spiral, disposed between the flange of the housing and the cam, and having its respective inner and outer ends affixed to such members, constantly urges the cam with respect to the housing in such direction as to urge the rollers inwardly into engagement with the electrode wire.

Abstract: An automatic air-carbon arc cutting and gouging torch having a drive for the elongated electrode consisting of opposed wheels biased toward the electrode for frictional contact to drive the electrode by driving one of the wheels. Each wheel can be adjusted about a pivot point to compensate for curvature of the electrode, changes in diameter, or mis-aligned joints in successive electrodes. The torch includes an improved nozzle to conduct both current and process air to the electrode thus lowering the operating temperature of the torch.

Abstract: A ribbon drive device comprising a rotatably supported drive roller, a rotatably supported idler roller and a device for biasing the idler roller against the drive roller to form a nip therebetween through which a ribbon is fed. The device for biasing the idler roller is positioned to apply a bias force to the idler roller at the longitudinal center thereof. The device for biasing comprises a straight piece of round or rectangular spring wire positioned in a groove formed in the periphery of the idler roller.

Abstract: Tubular wire comprising a calcium-containing solidified core in a thin steel sheath is fed between successive sets of resiliently-engaging pinch and feed rollers having aligned V-shaped indented peripheries. A wide range of wire diameters from about 3 to 8 mm are accommodated between a feed roller having an indented relatively sharp obtuse angle of about 120.degree. and a pinch roller having an indented relatively shallow obtuse angle of about 150.degree.. The peripheral walls of the feed rollers have staggered serrations for gripping the wire and a grooved channel between them for removing debris. The pinch rollers of a pair of successive sets are positioned slightly outboard of the feed rollers to keep the wire straight. Simultaneous feeding of two or more wires is provided through a plurality of sets having a common axis of rotation for the feed rollers.

Abstract: An electrode-wire feeding device in which the calibrated pushing force exerted on the electrode wire by a pair of rollers is automatically adjusted. This automatic adjustment is effected by a guide cone having an internally threaded bore which is connected to a drive motor. A housing having a hollow cylindrical externally threaded portion is adapted to be threadably engaged with the guide cone with which it is axially aligned. The housing has a pair of parallel bores the axes of which lie in a plane which is perpendicular to the feed direction of the electrode wire which is fed through the guide cone and the housing. A pair of pistons are movably mounted in the pair of bores and support a pair of rollers which are adapted to contact the electrode wire and impart a pushing and guiding force thereto. The pistons are connected to each other by a coil spring. A pair of double-armed levers are pivotally mounted on the housing.

Abstract: A crab pot warp line coiler is disclosed utilizing the unique properties of "Crab Lay" type synthetic line. Drawn by the coiler from a pot hauler, the line passes initially around an input guide sheave and thereupon downwardly across a vertical span into the nip between opposing guide rollers underlying the guide sheave. These feed the line directly down into the central part of a receiving enclosure serving to confine the coils which inherently form in a sufficiently orderly manner in the process without other guide means being required. The feed rollers, one comprising a pneumatic tire that runs in a peripheral groove about the other, are yieldably spring actuated toward each other so as to grip the line for feed purposes with a pressure that, by reason of the overlying location of the input sheave assuming horizontally directed incoming line tension load, is kept substantially independent of line load tension.

Abstract: An advancing mechanism for a recording web, such as paper, for an ink jet printer. The apparatus, including a platen having coaxially mounted discs on a shaft with the center disc of much higher coefficient of friction than the remaining discs, a tensioning roller, a pinch roller, and a recording web holding means, is self-aligning and self-threading, having low power requirements. Means for indicating the exhaustion of the recording web is also provided.

Abstract: A pressure roll assembly for applying pressure forces to sheet material articles being driven by a conveyor. A pressure roll is mounted for rotation about a central axis. A longitudinally extending leaf spring has a first portion which supports the pressure roll for rotation about its central axis, and a longitudinally spaced second portion which is fixedly connected with a support member so that the leaf spring supports the pressure roll in a cantilevered condition. An axially extending shaft is disposed normal to the longitudinal axis of the leaf spring and is fixed to the support member. Means are provided for guiding the shaft for axial movement and for restraining movement of the shaft transverse to its axis. Means are further provided for adjusting the axial position of the shaft for adjusting the pressure in the nip between the pressure roll and the conveyor surface.

Abstract: A planetary wheel advance for a meltable welding cable includes planetary wheels clampable against the cable by a pressure arrangement with their axes being at an angle to the cable axis, with the wheels attached to one end of a two armed wheel holder lever hinged to a motor operated rotating support and movable by the pressure arrangement, and the pressure arrangement having a spring which reacts against the support and which exerts a definite force on the other lever arm to effect the clamping pressure.

Abstract: A stop means embodied in a rod-guiding apparatus for limiting the gap between a spring-loaded roll and a pulley. The stop means can be adjusted by turning a screw-threaded adjuster to vary the maximum gap.

Abstract: In the apparatus as herein disclosed, the strip material passes between a lower driven roll and an upper idler roll which is mounted on a vertically adjustable bracket member that maintains a square position at all times since it is trapped between the main support members of the housing. When the clamp screws are loosened the bracket will not cock or misalign. The upper idler roll is pivotally mounted on the bracket member for movement to and from the lower driven roll and pressure means in the form of an air bag is associated with the idler roll pivot arm, having a location outwardly beyond the idler roll.