Abstract: A telescopic side arm for a refuse vehicle has an inner and outer boom. A mounting assembly secures the outer boom with a refuse vehicle. A plurality of bearing pads is positioned between the inner and outer booms to provide smooth movement between the inner and outer booms. A plurality of shims is associated with the bearing pads to assure a tight fit between the inner and outer booms.

Abstract: A slide bearing for guiding a translationally movable sliding part has a first part having a first guide surface suitable for interacting with a first sliding surface of the sliding part and a second part having a second guide surface suitable for interacting with a second sliding surface of the sliding part. The second part is movable relative to the first part. A guide part is connected to the first part so as to be movable in a first direction and a second direction. A pressure device urges the second part toward the first guide surface such that the first guide surface directly engages the first sliding surface and the second guide surface directly engages the second sliding surface.

Abstract: The present invention provides an adjustable bearing assembly comprising a first bar and a second bar. The first bar comprises a first engagement surface which is configured to engage with a second engagement surface on the second bar. The first bar further comprises a bearing surface opposite the first engagement surface. One of the first or second engagement surfaces comprises a first plurality of teeth aligned in a first direction, wherein the plurality of teeth are configured to engage a plurality of inclined surfaces on the other of the first or second engagement surfaces such that a force applied to the second bar in the first direction causes the distance between the bearing surface and the second bar to vary.

Abstract: A shimless wear pad preferably includes a wear pad, an adjustment plate and at least one fastener. The wear pad includes a wear surface on a top and a wear tapered surface on a bottom. The wear pad includes at least one counter sunk cavity for retaining a threaded insert for threadably engaging the fastener. The adjustment plate includes an adjustment tapered surface on a top and a support surface on a bottom. An adjustment slot is formed through substantially all of a length of the adjustment plate. The adjustment slot provides clearance for the at least one fastener. The adjustment plate will be mounted between the wear pad and a stationary structure. The wear surface of the wear pad will make contact with a moving surface of a moving structure. The support surface of the adjustment plate makes contact with a retention surface of the stationary structure.

Abstract: The present invention relates to a workbench, and respective operating and manufacturing methods, for the cold intervention, folding, bending or deformation of metal plates or sheets, the constructive and functional features of which provide a solution to achieve an optimal balance between power and flexibility, such that it allows performing custom works on metal plates or sheets under power conditions that exceed human capacity. In that sense, the workbench provides a work area with multiple actuation and power options, constituting a plethora of possible combinations for the intervention, folding, bending, twisting or deformation of metal sheets of different shapes.

Abstract: In a gripping device with carriages movably guided in a common guide groove arranged in a base body so as to be movable in a direction parallel to a gripping direction and supported all around in a direction transverse to the gripping direction, the guide groove includes at least one carriage guide track is supported therein and has opposite surfaces which are in contact with a carriage along a contact junction which is inclined with respect to the vertical longitudinal center plane at an angle of 0.3 to 1.3 degrees.

Abstract: A method and apparatus for implementing an ultra-high stability long-vertical travel stage are provided. The ultra-high stability long-vertical travel stage includes a first wedge supporting a second wedge, each wedge formed of a selected stable material having predefined rigidity and low thermal expansion coefficient, and integrated air bearings. A linear guiding mechanism includes a plurality of flexures. The first wedge is driven in a plane providing vertical motion on the second wedge with the integrated air bearings lifted and the flexures allowing for movement.

Abstract: An improved design and method is disclosed that uses a novel nesting linear slide which incorporates machine tool slides or ways into a structural member. The design simplifies the fabrication and assembly of components requiring accurate sliding alignment, such as milling machine bases, saddles, tables and columns. Due to the use of the single piece, which replaces multiple pieces in the prior art, fabrication and assembly costs are also significantly lower. The invention also enables a method of construction utilizing the novel single shape component which simplifies the assembly of machines requiring sliding surfaces with accurate alignment. The invention essentially comprises a single structural element that includes both male and female sliding members. By nesting two of the single structural elements it is possible to create sliding joints for machine tool bases, saddles, tables, and columns, as well as a wide variety of other sliding joints, in an extremely cost-effective manner.

Abstract: An adjustment system for adjusting the position of at least one sliding block of a movable crosspiece of a press with respect to the respective column of the press on which the sliding block may slide, a first wedge is integral with the movable crosspiece, a second wedge is sliding on the first wedge, a pin defining an axis and having a first eccentric end accommodated in a cavity provided in the second wedge, a first actuating member adapted to rotate the pin causing the translation of the second wedge along a direction transversal to the axis, a second actuating member adapted to translate the pin from a first locked position to a second unlocked position in which the pin can rotate about the axis.

Abstract: An apparatus, system, and method for mounting accessories on device, such as a camera, binoculars, firearm, weapon, and the like. The apparatus, system, and method may include a mounting device, which may be a bracket or rail. The apparatus, system, and method also include a safety mechanism that may be an integral part of the mounting device, or may be coupled or attached to the mounting device. The safety device allows accessories to be attached to the mounting device, but also prevents inadvertent detachment of the accessories from the mounting device.

Abstract: A linear motion guide includes a guide rail disposed on a floor, a block movably mounted on the guide rail, a height adjustment module disposed between the guide rail and the floor, where the height adjustment module includes a support disposed on the floor to support the guide rail and a heating unit heating the support, where a gap between the floor and the guide rail is adjusted as the support is thermally heated by the heating unit.

Abstract: A slide plate hinge comprises a fixed plate, and a slide plate. A slide plate sliding guide groove is respectively arranged on each of both sides of the fixed plate. The central section of the groove wall at one side of the sliding guide groove is of an elastic structure, and the elastic structure and the groove wall at the other side of the sliding guide groove clamps the slide plate. The slide plate hinge can implement the sliding guide and friction clamping on the slide plate by use of the sliding guide groove of an elastic structure, with high structural integration and concealability, thereby enabling the slide plate hinge to still have good hand feeling even without driving springs and enabling the slide plate to be stopped at any time amid the sliding process. The driving springs are not indispensable, so the thickness of the hinge can be reduced.

Abstract: The invention relates to an elongated feed beam (4) for use on a drill rig (1), which feed beam comprises a profiled beam of a light metal or a light metal alloy made from a hollow extruded profile with a substantially rectangular cross section. The profiled beam comprises an upper wall (11), a lower wall (12) and two side walls (13, 14) and at least one pair of external guide beads (8, 9). The individual guide beads (8, 9) of the at least one pair of guide beads are placed on either side of either the upper wall (11) or the lower wall (12) at the locations where said upper or lower wall (11, 12) meets the opposed side walls (13, 14). The guide beads (8, 9) have a substantially prismatic cross section.

Abstract: A hollow yoke is inserted into a bore section of a frame. The yoke is connected to a slider via a slit in the frame. A timing belt is inserted into a belt hole of the yoke. Further, a pair of guide members are provided on both side surfaces of the yoke, which engage with guide grooves of the frame. The yoke is displaced along the guide grooves by the timing belt, under a driving action of a driving section. Accordingly, the slider is displaced in the axial direction along the frame.

Abstract: The object of the invention is to provide a drilling device which is compact and has good sliding properties. The object is achieved by an upper beam for use with a lower beam in a telescopic feeder for a drilling device for rock drilling. The upper beam extends along a longitudinal axis and has a generally U-shaped cross section comprising a bottom wall and a first and a second side wall. Each side wall has an inward surface and an outward surface. The upper beam comprises a cooperating member intended for sliding cooperation with the lower beam. The cooperating member comprises an attachment structure extending outwardly from each outward surface of each side wall. Each attachment structure is intended for fixed mounting of a crank block bracket, which crank block bracket faces the outward surface of each side wall.

Abstract: A bearing includes an inner bearing ring on which a raceway is formed. The ring includes at least a first component of light metal material and at least a second component of fully dense ceramic material, where the first component and the second component are separate entities joined together, and where the second component forms at least part of the raceway. The first component includes two lightweight metal parts interconnected by a screw thread which can be tightened to induce compressive pre-stress in the second component to compensate for low tensile strength of the ceramic material.

Abstract: A slide type guide mechanism in which an adjusting screw member for eliminating looseness can be automatically tightened. The slide type guide mechanism includes a guide 22 which is provided with a guide groove 30 having a first guide side surface 26 and a second guide side surface 28 extending along straight lines parallel to each other, a threaded hole extending from an outer side surface of the guide toward the guide groove through the first guide side surface 26 , a slide 24 which is guided by the guide groove, a screw member threadably engaged in the threaded hole and rotated so as to urge the slide in a direction from the first guide side surface toward the second guide side surface of the guide groove, a torque applying device 54 having a spring for applying to the screw member a torque by which the screw member is rotated so as to move toward the guide groove.

Abstract: A slider is displaceable in an axial direction on guide sections of a cylinder tube. Bearings are installed with the slider, so that the bearings are opposed to the guide sections. Bearings are also installed on first and second bearing support members, which are provided respectively at retaining sections of the slider. When the slider is displaced in the axial direction along the cylinder tube, only one end surface of one of the flange sections of the bearing is pressed, depending on the displacement direction of the slider, in order to effect displacement in an integrated manner.

Abstract: Apparatus and methods are provided for assisting in mounting a wear pad to a drilling machine. A gib is split longitudinally into at least first and second portions creating a channel for receiving the wear pad. A portion of the wear pad may include a tenon, such as a dovetail, corresponding to the channel, or mortise. A fastener may be used to fasten the first and second portions of the gib together. In this configuration, the wear pad may be removed in a longitudinal direction or otherwise by separating the first and second portions of the gib.

Abstract: A “hybrid” or macrocomposite guideway, wherein the “traditional” or existing guideway material (e.g., hardened steel) is maintained as the wear resistant, low friction surface intended to be in physical contact with one or more bearings, and further wherein this surface is backed up or supported by a substrate comprising a stiff, lightweight material. This macrocomposite guideway combines the desirable friction and wear characteristics of the traditional bearing materials with the stiffness and low mass of advanced materials. Candidate substrate materials include composites having a ceramic and/or a metallic matrix, monolithic ceramics or monolithic light metals. A cladding comprising the hardened steel wear surface layer may be attached to the rigid, lightweight substrate by adhesive bonding, mechanical fasteners or other mechanical fit such as a friction or interference fit. Preferably, though, the attachment is by means of a metallurgical bond.

Abstract: A linear guide comprises a linear guide comprises a rail having a plurality of running tracks, a carriage having at least one sliding element positioned opposite at least one of the running tracks, and an adjuster positioned between the at least one sliding element and the carriage. The sliding element has an inclined surface that faces away from the at least one running track and extends at an angle with respect to a travel direction of the carriage. The inclined surface has a plurality of first steps. The adjuster is shiftable in the travel direction and has an adjuster surface with a plurality of second steps that rest in shiftable fashion against the plurality of first steps. The adjuster is biased in a biasing direction against the sliding element such that the second plurality of steps can slide over the first plurality of steps as the sliding element moves in the travel direction.

Abstract: A feedback control system for use in a press machine is adapted to monitor and adjust the clearance between the gib and slide. A pressurized chamber, such as a hydraulic piston-cylinder combination is disposed in actuating relationship to the gib. Selective pressurization of the piston-cylinder induces a controlled displacement of the gib towards or away from the slide, thereby regulating the spatial relationship therebetween. A sensor provides a measure of any possible clearance between the gib and slide. The clearance measurement is compared to allowable reference data. A controller controls the pressurization of the chamber in accordance with the comparison results, thereby controllably moving the gib. The gib may be selectively displaced to optionally effectuate a minimal clearance condition.

Abstract: A feedback control system for use in a press machine is adapted to monitor and adjust the clearance between the gib and slide. A connection bolt provides a connection between the gib and frame upright. A thermal applicator selectively heats and/or cools the connection bolt to induce a controlled deformation of the bolt, namely, an expansion and/or contraction, respectively. In one form, a heat-induced elongation of the bolt along its longitudinal dimension actuates a corresponding displacement of the gib towards the slide to regulate the spatial relationship therebetween. A sensor provides a measure of any possible clearance between the gib and slide. The clearance measurement is compared to allowable reference clearance data. A controller controls the heating and/or cooling action in accordance with the comparison results, thereby controllably moving the gib. The gib may be selectively displaced to optionally effectuate a partial or full close-out of the existing clearance.

Abstract: An apparatus which forms a controlled engageable low maintenance seal between the slide and the gib of a mechanical press and which prevents lubricant from exiting the area between the slide and the gib and entering the die space. The sealing arrangement is selectively actuatable depending upon an operational condition of the press.

Abstract: A middle liner of a slide guide device for a machine press has a spherical shaped side which fits into a sliding gib attached to a slide. The middle liner slides along a fixed gib at first and second linear surfaces that are at an angle with each other. The combination of self-alignment and smooth movement of the slide is achieved in the presence of an eccentric load acting on the slide. A machine press equipped with such a slide guide device has excellent eccentric load resistance and high working precision. In a further embodiment, a press machine is further equipped with a knockout device having knockout block moving between a pair of guide rails. A plurality of middle liners, each having at least one spherical surface, are positioned between the knockout block and the guide rails. The resulting knockout device provides a stable knockout load with low noise and low energy consumption.

Abstract: A feedback control system for use in a press machine is adapted to monitor and adjust the clearance between the gib and slide. A pressurized chamber, such as a hydraulic piston-cylinder combination is disposed in actuating relationship to the gib. Selective pressurization of the piston-cylinder induces a controlled displacement of the gib towards or away from the slide, thereby regulating the spatial relationship therebetween. A sensor provides a measure of any possible clearance between the gib and slide. The clearance measurement is compared to allowable reference data. A controller controls the pressurization of the chamber in accordance with the comparison results, thereby controllably moving the gib. The gib may be selectively displaced to optionally effectuate a minimal clearance condition.

Abstract: A linear unit (10, 10a, 10b) with a sliding guide (10) for a carriage (16, 16a, 16b) on a guide profile (12, 12a) is proposed. Slide elements (14, 14b, 14c, 14d) are fixable to the carriage (16, 16a, 16b). By means of a recess (50) in the carriage (16, 16a, 16b), an adjusting element (52) can be guided that engages a recess (48, 74) which is embodied in the slide elements (14, 14b, 14c, 14d). As a result, the slide elements (14, 14b, 14c, 14d) can move transversely to the guide direction of the guide profile (12, 12a), and as a result the play of the sliding guide (27, 27a, 27b) can be adjusted.

Abstract: A wear compensating, precision, linear slide assembly comprises a slide support having a base and an elongate guide rail. The rail has flat longitudinal exterior side walls convergently inclined toward the base and a slide has a guide rail receiving slot with flat longitudinal side walls convergently inclined toward the rail base. The transverse width of the slot is greater than the transverse width of the rail to define a longitudinal space between one side wall of the rail and one of the side walls of the slide. An elongate gib is received within the space and has divergent side walls mating with the side walls of the slide and guide rail. At least one end cap fixed to the slide has a cam part opposite one end of the gib and a cam part on the gib is cooperable therewith to urge the gib to automatically wedge between the guide rail and slide in a direction away from the base as permitted by wear.

Abstract: A mechanism for guiding and controlling the clearance of slides of single or multiple slide mechanical presses. A novel gib mount assembly with at least one substantially flat bearing surface is utilized adjacent a portion of a slide to control clearance and undesired movement of the slide while sealing press lubrication oil from the area of the press where products are produced. Between the bearing surface of the gib mount and slide is created a squeeze seal oil film region to assist in controlling the clearance therebetween. One or more vacuum pressure regions are created about the boundaries of the oil film region to suction and capture any oil escaping from the oil film region thereby preventing oil contact with the stamped parts or products.

Abstract: A guide gib 3 is mounted on a upright 2 in such a manner that an inclined sliding surface 1b of a slide 1 is in sliding contact with an inclined guide surface 3a of the guide gib 3. Inclined surfaces 3f are formed in a rear surface 3c of the guide gib 3, and are spaced from each other along a longitudinal direction thereof, the inclined surfaces 3f extended along the longitudinal direction of the guide gib 3. Each of wedge blocks 6 has a wedge inclined surface 6a in contact with a corresponding one of the inclined surfaces 3f. The wedge block 6 is moved by a set screw 7 and a nut 8 so as to fix the position of acting of the wedge inclined surface 6a by a flange 7b of the set screw 7 and the nut 8, thereby adjusting a clearance between the inclined guide surface 3a of the guide gib 3 and the inclined sliding surface 1b of the slide 1, and then the guide gib 3 is fixed to the uprights 2 by a plurality of fastening bolts 9.

Abstract: A height adjustment system for a desk, workstation or the like is provided comprising a plurality of height adjustable legs each having a first part in the form of a hollow column and a second part movable relative to the first part in a vertical direction. The second part of each leg includes a gearbox housing containing a crown gear provided on a vertically extending rotatable shaft and at least one pinion gear engageable with said crown gear. The vertical shaft includes a screw-threaded portion engaged by nuts on a base plate of the column. A winding mechanism is provided for rotating a horizontally extending shaft on which the pinion gear is provided. Rotation of the horizontal shaft causes the vertical shaft to rotate thereby moving the second part relative to the column so adjust the height of a top member secured on the gearbox housing.

Abstract: A slide assembly for a machine tool generally consisting of a first member having at least one guide slot disposed parallel to a given line of travel, provided with at least one wall portion, a second member disposed in a predetermined spatial relation relative to the first member, having a portion thereof protruding into the guide slot, spaced from the slot wall portion and displaceable along the guide slot when the members are disposed in the predetermined spatial relation, detachable means for fastening the members together in the predetermined spatial relation relative to each other, and a structural polymer disposed in the guide slot adhesively secured to one of the protruding portion of the second member and the slot wall of the first member, and slidably engageable with the other of the protruding portion of the second member and slot wall portion of the first member, providing a guideway for one of such members relative to the other whereby upon applying the fastening means and thereby positioning the

Abstract: A machine tool is equipped with a machine bed (10) and a carriage (23) of a headstock which is guided linearly on the said bed. To this end, the machine bed is provided with a guide rail (11), while the carriage (23) is equipped with a shoe (20) running on the guide rail (11) in form-locking engagement. The shoe (20) and the guide rail (11) engage each other by flat sliding surfaces (51 to 56) formed by the surfaces (51, 53, 55) of plastic sliding pads (46, 48, 50) and by metallic surfaces (52, 54, 56). The guide rail (11) has a narrower lower portion (15) and a wider upper portion (16) comprising a projection (17) extending laterally beyond the lower portion (15). The shoe (20) is split along a horizontal plane (40) and has its upper part (30) guided by the upper face of the projection (17) and its lower part guided by the lower face of the projection (17) (FIG. 3).

Abstract: A machine tool comprises two motion units, in particular a spindle stock and a machine bed, arranged for being displaced relative to each other along one axis. A guideway is fixed to a first motion unit for guiding the displaceable motion unit, a first surface of the guideway being in contact with, and screwed to a second surface of the first motion unit. In order to prevent the guideways from being dislodged in a direction perpendicular to the longitudinal axis of the machine screws, for example when the spindle stock runs up against a stationary obstacle due to improper operation, at least one of the said surface is roughened.

Abstract: A linear bearing (20) with a height adjustment mechanism (58) including a stud (64) fixed to the bearing (20) and a tubular bushing (72) received over the stud (64) and mating with a threaded bore (86) in an end wall (88) of a mounting structure (12). A reaction nut (80) threaded to a protruding end of the stud (64) bears on a protruding end of the bushing (72), the other end bearing against the bearing (20) so that rotation of the bushing (72) in either direction causes a shift of the bearing (20) in either direction. A locking nut (92) threaded onto the bushing (72) is selectively advanced against end wall (88) to lock the bushing (72) in an adjusted position.

Abstract: An endless rectilinear motion rolling guide unit is provided, consisting of a track rail, a slide unit straddling said track rail and a plurality of cylindrical rollers intervened between the two members, so that said slide unit can make a rectilinear movement on said track rail. A slide bearing holding member having an inwardly and gradually decreasing height toward its one end is provided in a recess having the complementary cavity configuration that is in turn provided on the bottom wall surface of said slide unit. A friction member is secured onto the bottom surface of said slide bearing holding member in slide contact relation with the underlying track rail and the friction member can be longitudinally displaceable in the recess of the slide unit so as to adjust the contact pressure between the friction member and the underlying surface of the track rail due to wedging action deriving from the particular configuration of the insert relative to that of the recess receiving it.

Abstract: A method is disclosed wherein, to guide a billet into a pressure-piercing mill, the same pusher is utilized as is normally provided to force the billet through the nip of the mill rolls.

Abstract: A bearing arrangement for a feeding device for a drilling machine, comprising a feeding beam (1) provided with longitudinal guides (6), a carriage supporting a drilling machine (3) and provided with guide surfaces in slidable engagement with the guides, and displacing means for displacement of the carriage along the guides. At least one guide surfce (5a) of the carriage is formed by a spacer (5) supported by the carriage. For automatical eliminatin of the clearance between the feeding beam and the carriage, the spacer is pressed against a wedging surface (8) provided on the carriage and extending essentially in parallel with the guide. The carriage is provided by means (9) for displacement of the spacer in between the guide surface (6a) of the guide of the feeding beam and the wedging surface (8) of the carriage so that the growth of clearance caused by wearing of the spacer is avoided as the wearing increases.

Abstract: Lightweight, portable apparatus for cutting a wide range of materials available in sheet form, such as matboard, glass, light plastic, and leather. The invention lies in the unification of its cutting tool guide tract with the means of fixing in place the material to be cut. Four pegs are attached to the base of the apparatus for aligning the sheet to be cut. Equally important is the means by which it is automatically held in place during the cutting operation. Pieces of foam rubber or the like are inlaid in the base of the apparatus so that when the operator is pressing down on the cutting tool the resultant force normal to the supporting surface is sufficient to prevent lateral motion of the apparatus. Thus, no bulky and awkward clamping devices need to be used to affix the cutter to its supporting table.

Abstract: A two piece (gib), U-shaped sliding shoe is disclosed. One gib (30) includes a first long flat plastic member (33) of length L, having an inside surface (34), an outside surface (36), an upper edge (38), a lower edge (40), a front edge (42), a back edge (44), a first flat rectangular tab (46) of length L1 and width W1 attached to the back edge (44) of the first member (33) in line with the top edge (38) of the first member (33) and extending perpendicularly inward away from the inside surface (34) of the first member (33), a second flat rectangular tab (48) of length L2 and width W2 attached to the back edge (44) of the first member (33) in line with the bottom edge (40) of the member (33) and extending perpendicularly inward away from the inside surface (34) of the first member (33).

Abstract: A gib (10) for a machine tool is insertable into a space between a machine tool carriage (42) and the positive way face (40) of a set of machine tool ways (44,96) supporting the carriage (42) for rectilinear movement. The gib (10) includes a body (12) having tapered ends (48) and a planar side surface (46) abutting the positive way face (40). The gib (12) further includes a fixed wedge (16) and a floating wedge (14), each of the wedges (14,16) having a crowned surface (50) in abutting relationship with one of the tapered ends (48) of the body (12), and having planar base surfaces (20,22) abutting a planar surface (38) of the carriage (42). An adjustment screw (28) traverses the body (12) and each of the wedges (14,16), and is rotatable to vary the spacing between the planar side surface (46) of the body (12) and the planar base surfaces (20,22) of the wedges (14,16).

Abstract: A fixture (50) is used to precisely locate the horizontal (20, 30) and vertical (10) guideways on the bed (40) of a grinding machine. After locating the guideways (10, 20, 30), a bonding material (70) is placed in the spaces (1, 2, 3) between the guideways (10, 20, 30) and grinding machine bed (40). After the fixture (50) is removed, bolts (80) are tightened to apply a compressive force on the bonding material (70) located between the vertical guideway (10) and the machine tool bed (40).