Abstract: A support assembly for a drive vehicle has an outer race for mounting to a suspension for the wheel and an inner race with a removable end section which carries an annular track for roller bodies supported in position therein by a spacer cage, the removable section being mounted on a journal to which it is nonrotatably and immovably fixed by a locking ring assembly which engages simultaneously end surfaces of both the journal and the inner race end section.

Abstract: Energy consumption may be minimized when reducing iron oxide with reducing gases which are at least partially re-circulated in the process and where the re-circulation gas is washed to remove the reaction product CO.sub.2 in what is known as a CO.sub.2 wash to enable it to be re-used, by the heat requirement necessary for regenerating the washing liquid in the CO.sub.2 wash being entirely or partially covered by the physical heat content in top gas from the shaft furnace and/or gas leaving the sponge-iron cooler of the shaft furnace.

Abstract: A universal joint assembly for transmitting a moment of rotation in both directions between two members comprising an outer joint element and an inner joint element, the joint elements have confronting spherical surfaces wherein one of the surfaces is smoothly spherical and the other surface has a series of generally axially extending circumferentially spaced grooves having flanks open at an angle, the joint assembly includes a plurality of rolling elements in the annular space between the confronting surfaces which engage in the grooves and a cage having a plurality of pockets disposed between the confronting surfaces of the joint elements for guiding the rolling elements. At least a pair of rolling elements are located in a common pocket of the cage and elastic preloaded member is disposed between the rolling elements in each pocket which is operable to press the rolling elements reciprocally in a peripheral direction against the related flank of the groove.

Abstract: The unit comprises a connection element for connecting one end of a shaft to a coupling element, and provided with a set of active surfaces which comprise a portion of the lateral surface of a pyramid and are arranged to engage with corresponding active surfaces provided in said coupling element or on said second end, said connection element being provided with at least one rolling track for a row of rolling bodies; the unit also comprises a row of rolling bodies disposed between said connection element and a ring which is also provided with a rolling track, said rolling bodies being arranged to roll on said tracks of the connection element and ring, said ring being resiliently supported from a frame.

Abstract: Thin-walled bearing bushing produced in a drawing process for the support of pins in universal joints comprising an elongated generally cylindrical sleeve section and a bottom section forming an end closure at one axial end of said sleeve section, the juncture of the peripheral surface of said sleeve section and the outer axial end face of said bottom section defining an outer rim having at least portions of a small cross sectional radius (r), and means defining at least a pair of separate circumferentially extending spaced grooves in the bottom section adjacent said peripheral rim.

Abstract: A protection and seal member for rolling bearings, arranged to be interposed between the inner race and the outer race of the bearing in order to isolate the rolling bodies from the surrounding ambient by providing a seal between the said races. The main characteristics of the protection member consists in that it is configured like a ring and is made of an elastomeric material so as to be capable of being snap-coupled with the outer race of the bearing on which it is mounted, and exerting on the outer surface of the inner race and on the inner surface of the outer race a sealing action between the outer ambient and the cavity formed between the said outer and inner races.

Abstract: A sliding sleeve for a clutch throw-out wherein the clutch lever pressure plate is axially and circumferentially fixed on the hub element on one side by a plurality of protrusions formed on that side of the plate and engageable on the hub element, and on the other side by a shoulder machined in the hub element.

Abstract: A rotary drill bit comprising a roller cutter (12) which is rotatably carried over a bearing system. The bearing system comprises at least one roller bearing (16). Fluid is supplied to the bearing system for flushing and lubricating and when needed cooling thereof. For purposes of ensuring suitable fluid flow through the roller bearing (16) and thus ensuring satisfactory lubrication thereof the rollers in the roller bearing (16) are provided with an axial bore (25).

Abstract: The tappet of the invention includes two movable elements defining between them a chamber which can be filled with oil arriving through at least one suitable duct from a source of oil under pressure; along this duct there is disposed an interception member comprising a ball able to cooperate with a corresponding seat into which the said duct opens.

Abstract: The registering front faces of the two portions (8, 9) of the outer race comprise each at least two precision-machined axial projections forming together a radial reference surface. In each portion the projections are separated by axial recesses each adapted to be engaged by a corresponding axial projection of the other portion so that after a relative rotation of the two portions of the outer race the rolling elements (19) of the second row can easily be fitted in position, the bearing being completed by encompassing the joint plane formed between the two portions with an annular seal, for example in the form of a rubber flat ring. Thus, the permissible bearing load is increased since the two rows (18, 19) of rolling elements have the same number of such rolling elements.

Abstract: A rolling bearing assembly for lengthwise movement with respect to a shaft has an outer sleeve with internal races, and a cage guiding endless rows of rolling bodies in the bore of the outer sleeve. The cage has a slit extending axially and radially therethrough, and the cage portion aligned with the slit is radially moveable, so that an entire row of rolling bodies adjacent said slit may be radially moved into a race formed in a shaft in the bearing. The sleeve may have a second slit spaced from the first slit. The second slit may be only partial, to define a region of bending, or may extend completely through the outer sleeve to define a segment, with the first slit, that is radially moveable.

Abstract: A tension roller assembly adapted to be mounted on a holder having an opening comprising a guide bolt at one axial end abutting against a front face of the holder and having an axial bore, a fastening element separate from the guide bolt having a radially projecting collar for abutting the rear face of the holder and a projection engaging through the opening in the holder and protruding into the bore of the guide bolt and fixed therein.

Abstract: A rolling bearing for lengthwise movement between a sliding element and a rail element has a cage arranged between the sliding element and the rail element, and at least one endless row of rolling bodies in the cage. The loaded rolling bodies of each row roll between longitudinal races of the slide element and the rail element, and the cage has longitudinal guides for loaded rolling bodies and unloaded rolling bodies, as well as turnaround guides for interconnecting the loaded and unloaded guides at each end. An elastic guide element is mounted on at least one side of one of the guide tracks to resiliently urge the rolling against the guide tracks.

Abstract: A device for measuring axial force in a shaft journalled or mounted with two roller bearings arranged side by side in a housing, such measuring occurring by means of wire strain gauges or the like. The inner ring of the roller bearing on the shaft side engages a shaft shoulder, and the end faces of the roller bodies of the roller body row facing the bearing cover are supported by the flangeless inner ring of the adjoining roller bearing against a flanged ring or angle ring which is disengageably arranged on the shaft. This device is especially intended for wheel-set shafts of rail vehicles during travelling operation. Those end faces of the roller bodies of the two roller body rows facing each other are supported on a central flanged ring which transfers force and is movable in the direction of force when force is applied.

Abstract: A device for assembling a bearing comprising an outer race ring, at least a pair of separate inner race rings, a plurality of rolling elements in the annular space between the race rings and an opening extending radially in the outer race ring aligned with the parting line of the inner rings comprising a rotatable spindle provided with guiding or centering means, a shoulder, and a hollow member capable of being slipped over the free end of the spindle and having a skirt embracing the spindle with clearance so that the inner race pieces of the bearing to be produced are clamped between the shoulder of the spindle and the head of the hollow member, means acting on the free end of the spindle being provided to press the hollow member against the inner race pieces, while means for holding the outer race stationary and means for generating a high energy welding beam are provided.

Abstract: The present invention is a method for the manufacture of bearing rings ruptured along an arrow-shaped partition line for antifriction bearings or similar devices. According to the invention a radial bore is introduced through the middle of the ring transversely of the bearing axis, and in the opposite end faces are introduced V-shaped notches which are displaced in relation to the radial bore in a circumferential direction. The bearing ring is supported on one end and ruptured first on that end by a force directed against the opposite end. The ring is turned over and again ruptured similarly until an arrow-shaped partition line extends from the radial bore to the notches.

Abstract: The invention concerns a device for providing a friction joint. It comprises an inner (1,11) and an outer (2,9) element, the inner element having a tapered outer surface co-operating with a complementary tapered inner surface in a bore in the outer element. Means (6,7,8,12) are provided for displacing the elements axially parallel to the taper axes. One element preferably consists of a slitted clamping sleeve, and for diminishing the friction in the tapered contact and simplifying manufacturing of the parts of the device, one of the tapered surfaces is provided with a friction reducing material and one of the tapered surfaces has a groove (3,4,5,13,14,15,16) extending around the circumference.

Abstract: A rolling bearing for lengthwise movement along a shaft comprised of an outer sleeve having a plurality of races therein for rolling bearings, a cage being provided to guide the rolling bearings. A sealing ring is provided at each end of the assembly, the sealing ring having lips extending radially inwardly to contact the shaft. The sealing lips are thin and elastically bendable, and are mounted to enable bowing thereof into free spaces on opposite sides thereof, depending upon direction of lengthwise movement of the shaft. As a consequence, for small movements of the shaft, the sealing lips cling to the shaft and become bulged, rather than sliding along the shaft.

Abstract: A swivel joint comprises an outer ring having a cavity in the form of a portion of sphere, and an inner ring whose shape is partly spherical and which is housed in the spherical cavity of the outer ring. The inner ring presents only two diametrically opposite notches, disposed substantially in the median plane perpendicular to the axis of the ring. The outer ring presents only two pairs of notches whose width is equal, to within the clearance, to the width of the parts of the ring which flank the notches of the inner ring, the two notches of the same pair of outer ring notches being spaced apart from each other by a distance equal, to within the clearance, to the width of the notches of the inner ring, the assembly of two notches of a pair of outer ring notches extending over a width substantially equal to the thickness of the inner ring.

Abstract: A method for making a castor assembly having an upper fixing plate and a swivelling fork connected to a wheel comprising the steps of splitting the edge of a central aperture in a plate member forming the fixing plate, forming the cage to define a race for rolling elements, forming the remainder of said plate member, to a cup shape including an edge flange disposed in a plane surface spaced axially from said race and covering the fixing plate with a cover having extensions cooperating with said edge flange.