Patents Assigned to SKF
  • Housing for roller bearings with lubricating means
    Patent number: 4533264
    Abstract: A housing (1, 2) for roller bearings (10) with lubrication means in the form of a lubricator ring (13) which partially runs into an oil storage space (17) arranged underneath the shaft (6) and rests on the shaft (6) or the like which drives the lubricator ring (13), has on one side of the roller bearing (10) a dividing wall (4) running at a distant from it arranged radial to the bearing axis for separating a space (12) occupying the roller bearing (10) from an outer space (11) containing the oil storage space (17). The lubricator ring (13) is arranged in an upper area in the space (19) for the roller bearing (10).
    Type: Grant
    Filed: August 17, 1983
    Date of Patent: August 6, 1985
    Assignee: SKF Kugellagerfabriken GmbH
    Inventor: Werner Haugwitz
  • Rolling bearing assemblies fitted with seals
    Patent number: 4533265
    Abstract: A rolling bearing assembly fitted with seals for a bearing chamber between two relatively rotatable components of the assembly. Each seal is mounted on one of the components and has a resilient sealing lip in sliding contact with a sealing surface on the other component, the lip being deflected by the sealing surface in a direction away from the bearing chamber under normal running conditions. The side of the lip facing the chamber is formed with grooves arranged to permit air to flow past the seal in the event of the lip being drawn inwardly towards the bearing chamber by a reduced pressure therein. The side of the lip may be provided with ribs instead of grooves.
    Type: Grant
    Filed: February 7, 1983
    Date of Patent: August 6, 1985
    Assignee: SKF (U.K.) Limited
    Inventor: Keith W. Woodbridge
  • Apparatus with a planetary gear set
    Patent number: 4531427
    Abstract: The invention relates to an apparatus incorporating a planetary gear set with a shaft (7) connected to a planet wheel support (6), and a shaft (8) connected to a sun wheel (5), one of the shafts (8) being connected to a rotor in a device (9) for providing a torque. In order to be able to use the apparatus in a favorable manner in for example a servo assisted system with a steering wheel (10) and a steering member actuated by the steering wheel via a step-up gear, the stator part of the device (9) for providing a torque is connected to the other one of the shafts (7) in the planetary gear so that this shaft takes up the reactive torque which is established in the device during operation.
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: July 30, 1985
    Assignee: SKF Nova AB
    Inventor: Sven W. Nilsson
  • Multiple-row roller bearing with a guiding ring
    Patent number: 4530610
    Abstract: The invention related to a multiple-row roller bearing with a generally spherical outer ring raceway (2) and a guiding ring (5) between two rows of rollers, the guiding ring being centered in the bearing by contacting the outer ring raceway. In order to permit the part of the guiding ring which contact the rollers to be made of a material which is suitable from a wear and friction point of view, the guiding ring comprises an inner part (8) of such a suitable material. This part is closed and has a rotational symmetry, and its size allows it to be introduced into the outer ring of the bearing. An outer part (9) is arranged around the inner part and it can be mounted on the circumference of the inner part when the inner part is inserted in the outer ring of the bearing, whereby the outer ring fills up the space between the inner part and the raceway of the outer ring in at least some areas.
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: July 23, 1985
    Assignee: Aktiebolaget SKF
    Inventor: Hakan Stackling
  • Self adjusting hydraulic tappet for heat engines
    Patent number: 4530320
    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.
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: July 23, 1985
    Assignee: RIV-SKF Officine di Villar Perosa, SpA
    Inventor: Daniele Ferrero
  • Slip and wear resistant flooring and compositions and a method for producing same
    Patent number: 4528231
    Abstract: Wear and slip resistant floors are described comprising a suitable substrate and a surface layer comprising a synthetic resin, preferably polyester, as the matrix and containing uniformly distributed therein a mixed waste material derived from a steel grinding operation and being composed of from about 60 to about 85% by weight of coarse metallic particles having a particle size from about 0.2 mm to about 1 mm with a mean particle size of about 0.5 mm and fine primarily oxidic particles, having a particle size from very fine up to about 0.2 mm, with a mean particle size of about 0.07 mm. The surface layer may also contain fiber glass reinforcement and other additives.
    Type: Grant
    Filed: May 5, 1983
    Date of Patent: July 9, 1985
    Assignee: SKF Steel Engineering AB
    Inventor: Thore Lund
  • Ball joint for suspension of wheels
    Patent number: 4527924
    Abstract: The invention refers to a ball joint for suspension of wheels of motor cars and the like. It is characterized thereby that the attachment portion which extends from the very ball is designed with or provided with a fixed mounting flange.
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: July 9, 1985
    Assignee: SKF Nova AB
    Inventor: Sture Asberg
  • Means for mounting a hub bearing unit to a vehicle
    Patent number: 4527916
    Abstract: The invention relates to a means for mounting a hub bearing unit to the spring strut (13) of a vehicle. The means is characterized thereby that it (11) incorporated an open, box-like end, which is intended to be thread over the hub bearing unit and to be connected to this by means of bolts (7). The hub bearing unit thereby will be connected to the mounting means at both sides (10).
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: July 9, 1985
    Assignee: SKF Nova AB
    Inventor: Sture Asberg
  • Sealed rolling element bearing
    Patent number: 4526485
    Abstract: A rolling element bearing has annular seals between the races for preventing entry of dirt into the lubricant space. The seals are held to one of the races, and have weakened portions on at least one location about their periphery to enable excess pressure within the lubricant chamber to escape.
    Type: Grant
    Filed: October 15, 1979
    Date of Patent: July 2, 1985
    Assignee: SKF Kugellagerfabriken GmbH
    Inventors: Dietmar Frase, Roland Eisenkolb, Heinz Kiener, Guter Harant
  • Hydraulically operable release arrangement
    Patent number: 4526259
    Abstract: In a hydraulically operable release arrangement for clutches, especially for vehicle clutches, the release force is transmitted to the plate spring or the like of the clutch by way of a piston, a fixed bearing ring, a multiplicity of rolling bodies, and a rotating bearing ring. The piston is movably arranged in a housing and is biased by a helical spring arranged in a pressure space formed between the piston and the housing. The piston and the housing are each provided with an axial projection. In order to secure the piston against rotation and to damp vibrations in the piston without additional machining or special parts, the helical spring is arranged with its spring ends abutting the axial projections such that rotation of the piston in the direction of rotation of the rotating bearing ring is prevented.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: July 2, 1985
    Assignee: SKF Kugellagerfabriken GmbH
    Inventors: Manfred Brandenstein, Lothar Walter, Heinz Kiener
  • Method of manufacturing ferrosilicon
    Patent number: 4526612
    Abstract: Ferrosilicon is manufactured from a material containing silica and a raw material containing iron by injecting these materials, possibly together with a reducing agent, with the help of a carrier gas into a plasma gas. The silica and the iron raw material, possibly with the reducing agent, heated in this way are then introduced with the energy-rich plasma gas into a reaction chamber surrounded by a solid reducing agent in lump form, the silica thus being brought to the molten state, being reduced and reacting with the iron to form ferrosilicon.
    Type: Grant
    Filed: August 25, 1983
    Date of Patent: July 2, 1985
    Assignee: SKF Steel Engineering AB
    Inventors: Sune Eriksson, Sven Santen
  • Device for connecting two shafts
    Patent number: 4526556
    Abstract: The invention relates to a device for releasably connecting two shafts (1,2). It comprises two co-operating tapered clamping sleeves (5,6) and means (7,8,9) for relatively displacing the sleeves axially when the sleeves are separated by a pressure medium introduced between the tapered clamping surfaces. In order to make the device suitable for connecting two shafts with a certain distance between the shaft ends, the length of the sleeves is greater than the sum of the lengths of the portions of the respective shafts which are covered by the sleeves, and the bore diameter of the outer sleeve is greater than the outer diameter of the inner sleeve in an area (13) between the ends of the sleeves corresponding to the area between the shaft ends.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: July 2, 1985
    Assignee: SKF Steel Hofors AB
    Inventors: Staffan Sundberg, Gote Jonsson
  • Hydraulic release arrangement, especially for vehicle clutches
    Patent number: 4524855
    Abstract: A hydraulic release arrangement, especially for vehicle clutches, consisting of a housing (1,2,3) with a pressure space (6) sealed by a rolling bellows (7), in which the release bearing (4) is arranged to be displaceable in the housing (1,2,3) in the axial direction.In order to produce a compact hydraulic release arrangement and inhibit the bending in of the rolling bellows (7) in the low pressure range, a spacing element (27) is provided in the space defined by the rolling bellows (7) between the release bearing (4) and the housing (1,2,3), the spacing element being arranged to abut the inside of the bellows wall with axial prestress with an annular projection in at least one turned-back region (30) of the rolling bellows (7).
    Type: Grant
    Filed: August 23, 1982
    Date of Patent: June 25, 1985
    Assignee: SKF Kugellagerfabriken GmbH
    Inventor: Manfred Brandenstein
  • Sealing ring assembly for rolling bearings
    Patent number: 4525082
    Abstract: Sealing ring for radial rolling bearings with an outer race and an inner race and rolling bodies in the gap between them, consisting of a ring body of elastic material bridging the gap with, at one radial end, at least one sealing lip or the like sliding along a contact surface of the outer race or inner race and with, at its opposite end, a hub section supported on a seating surface of the inner or outer race and a stiffening plate incorporated into the ring body with a radial web section and, in the hub section, a collar section connected to the outer edge of the web section facing the hub, characterized in that the collar section of the stiffening plate is formed both by axially inward-bent and axially outward-bent tabs of the outer edge of the stiffening plate.
    Type: Grant
    Filed: May 31, 1984
    Date of Patent: June 25, 1985
    Assignee: SKF Kugellagerfabriken GmbH
    Inventors: Manfred Brandenstein, Roland Haas, Wolfgang Friedrich, Rudiger Hans
  • Thin-walled bearing bushing produced by deep drawing
    Patent number: 4522514
    Abstract: A thin-walled bearing bushing produced by deep drawing, in particular for the seating of pins in universal joints, including a cylindrical sleeve section with a bottom section closing the sleeve off on one end. One or more concentric depressions are axially pressed in the outer surface of the bottom surface near the resulting sharp peripheral edges. A plurality of indentations, displaced radially inward relative to the depressions and reducing the wall thickness of the bottom section of the bushing, are provided on the outer surface of the bottom section so that the uniform bushing inner surface will have a large axial load-carrying capacity.
    Type: Grant
    Filed: April 13, 1983
    Date of Patent: June 11, 1985
    Assignee: SKF Kugellagerfabriken GmbH
    Inventors: Armin Olschewski, Hermann Hetterich, Peter Horling, Berthold Beyfuss
  • Drill head
    Patent number: 4520882
    Abstract: A drill head having isostatically bonded therein the shank portions of hard, wear-resistant cutting elements. The drill head can include cutting elements of various shapes and contours. The varied shaped cutting elements result in additional resistance to forces encountered under operational conditions.
    Type: Grant
    Filed: November 20, 1980
    Date of Patent: June 4, 1985
    Assignee: SKF Industrial Trading and Development Co., B.V.
    Inventor: Hans B. van Nederveen
  • Tension roller for drive belts
    Patent number: 4516962
    Abstract: A tension roller for a drive belt is comprised of a two-part pin and a roller rotatably supported on the pin by a rolling bearing. One part of the pin is substantially solid and has a seating surface for receiving the inner ring of the rolling bearing. The other part of the pin is cup-shaped and extends over the seating surface to engage a side surface of the inner ring. An eccentric bore is provided in the pin for mounting the tension roller on a machine frame by means of a mounting screw. The eccentric bore, in the solid portion of the pin, extends to and separates the outer surface of the pin, whereby the mounting screw partially engages the inner ring of the bearing. The arrangement permits the maximum range of tension adjustments for the tension roller.
    Type: Grant
    Filed: December 14, 1983
    Date of Patent: May 14, 1985
    Assignee: SKF Kugellagerfabriken GmbH
    Inventors: Manfred Brandenstein, Roland Haas, Ludwig Edelmann, Rudiger Hans
  • Rolling bearing for lengthwise movement
    Patent number: 4514017
    Abstract: A rolling bearing for lengthwise movement has a support formed of sheet metal and having a cross-section that is corrugated in the circumferential direction, so that axially extending channels are provided for the rolling bodies. The cage is comprised of two halves joined together in a radial plane, and having turnaround zones formed therein.
    Type: Grant
    Filed: March 1, 1983
    Date of Patent: April 30, 1985
    Assignee: SKF Kugellagerfabriken GmbH
    Inventors: Lothar Walter, Walter Reith
  • Front seal for bearing cups
    Patent number: 4512672
    Abstract: Front seal for bearing cups, in particular, for universal joints, having a seal ring arranged on the bearing cup between the bearing cup and a shoulder of the machine component it supports, characterized in that the seal ring (13, 31) is of T-shaped cross section comprising a body portion and a part of axially projecting sealing flanges having bore faces (24, 25, 34, 37) which are arranged adjacent to corresponding outside surfaces (26, 27, 35) of the machine component (2) and the bearing cup (6).
    Type: Grant
    Filed: May 27, 1983
    Date of Patent: April 23, 1985
    Assignee: SKF Kugellagerfabriken GmbH
    Inventors: Armin Olschewski, Gerhard Herrmann, Bernhard Bauer, Elisabeth Zirk
  • Sealed bearing cup for universal joint
    Patent number: 4512670
    Abstract: A sealed bearing cup, in particular, for universal joints which has a support body connected to the bearing cup and a seal ring fastened to this body having at least one axially elastically deformable sealing lip, characterized in that the support body (10) with the seal ring (13) is arranged axially slidable in the bore of the bearing cup (2) and is provided with a radially flange (17) which is located opposite the front face (16) of the bearing cup (2).
    Type: Grant
    Filed: May 13, 1983
    Date of Patent: April 23, 1985
    Assignee: SKF Kugellagerfabriken GmbH
    Inventors: Armin Olschewski, Gerhard Herrmann, Bernhard Bauer