| Patent Number |
Title Of Patent |
Date Issued |
| 4333307 |
Friction rotor |
June 8, 1982 |
| A friction rotor for false-twisting threads is provided with a coating of particles which are harder than the material from which the rotor has been made to provide a surface of harder particles which contact the thread as it passes over the rotor for false-twisting. |
| 4281548 |
Method of testing rotationally symmetrical bodies, especially balls, for defects |
August 4, 1981 |
| A method of testing rotary bodies, such as balls, for ball bearings, in which the body on a layer of a coupling liquid is subjected to ultrasonic waves transmitted through the ultrasonic liquid and the reflections are measured and displayed. According to the invention the bodies are free |
| 4273229 |
Elastic mounting for high-speed rotor |
June 16, 1981 |
| A mounting for a shaft of a tool rotating at high speed comprises a rotatably journaled tube with an axial bore of a diameter exceeding that of the tool shaft. The latter is held in that bore by resilient inserts, such as soft springs or O-rings, whose elasticity coefficient is so chosen |
| 4252386 |
Journal bearing with axially split bearing rings |
February 24, 1981 |
| A ball or roller bearing with two symmetrical halves, each designed to absorb both radial and axial stresses, comprises an axially split inner ring on a shaft and an axially split outer ring carried by a housing member coaxially surrounding the shaft. The inner ring halves form seats |
| 4226080 |
Loading device for false-twist apparatus |
October 7, 1980 |
| A false-twist apparatus has a support defining three generally parallel and radially spaced axes surrounding a central axially extending twisting region. Respective shafts are journaled in this support for rotation about the axes and carry respective staggered sets of axially spaced disk |
| 4194797 |
Bearing-race ring with lubricant and cooling channels |
March 25, 1980 |
| A bearing race ring, especially for high-speed applications, e.g. in jet engines, turbines and high-speed power plants, comprises an annular metallic body formed along one of its inner or outer surfaces with axially extending grooves which are inclined to the axis of the ring. Preferably |
| 4175802 |
Boring spindle with automatic tool liftoff |
November 27, 1979 |
| A boring spindle unit with automatic tool liftoff, especially for the finish boring of a workpiece with an oxide-ceramic boring tool carried by the spindle shaft. The spindle shaft is journaled in at least two main bearings and at least a further bearing is disposed proximal to the main |
| 4161344 |
Method of and means for rotatably supporting a load |
July 17, 1979 |
| A mounting for a load rotating or oscillating about a vertical axis comprises a stationary annular support member centered on that axis and provided with inner and outer peripheral guide tracks engaged by two rotatable annular carrier members, either the stationary member or the rota |
| 4153309 |
Shoulderless roller bearing |
May 8, 1979 |
| A cage for the rollers of a journal bearing, held between two shoulderless track surfaces at least one of which is formed by a ring, has an annular flange resiliently engaging in a peripheral V-groove of the ring which is axially offset from the roller-holding cage pockets. The flange ha |
| 4138170 |
Cageless ball or roller bearing |
February 6, 1979 |
| An annular array of rotary bodies (balls or rollers) separates two coaxial track surfaces of a pair of bearing rings from each other, one of these track surfaces forming an annular lodgment for these bodies while the other track surface is unobstructed on at least one side of the array t |
| 4129344 |
Bearing race ring with lubricant and cooling channels |
December 12, 1978 |
| A bearing race ring, especially for high-speed applications, e.g. in jet engines, turbines and high-speed power plants, comprises an annular metallic body formed along one of its inner or outer surfaces with axially extending grooves which are inclined to the axis of the ring. Preferably |
| 4125298 |
Assembly of hardened and deformable metal parts |
November 14, 1978 |
| A generally cylindrical metallic member of hardened steel, especially a race for a journal bearing, is fitted into or around a supporting element of relatively deformable metal, such as structural steel, having a face perpendicular to the cylinder axis. The hardened metallic member has a |
| 4110962 |
False twisting device |
September 5, 1978 |
| An apparatus having three spindles carrying overlapping friction discs disposed with their longitudinal axis forming in plan view the corners of an equilateral triangle is provided with a centrally disposed fourth spindle carrying a means for simultaneously and equally adjusting the |
| 4099801 |
Heavy-duty hydrostatic bearing |
July 11, 1978 |
| A hydrostatic journal bearing for a shaft of a heavy load, such as a metallurgical vessel, comprises an inner ring of spherical outer surface rigid with the shaft, a stationary base forming part of a housing, and a segmental shell resting on the base as a cradle for the ring. The upper |
| 4089570 |
Journal bearing with axially split bearing rings |
May 16, 1978 |
| A ball or roller bearing with two symmetrical halves, each designed to absorb both radial and axial stresses, comprises two axially abutting inner rings on a shaft and two axially abutting outer rings in a housing wall coaxially surrounding the shaft. The inner rings form seats for r |
| 4089566 |
Bearing with multiplicity of sliding heads |
May 16, 1978 |
| A pair of relatively rotatable support members, separated by a gap centered on the axis of rotation, engage each other through a multiplicity of elastically deformable sliding heads of low-friction plastic material projecting from one support member into the gap and resting against a |
| 4072372 |
Heavy-duty swivel bearing |
February 7, 1978 |
| A swivelable journal bearing for a shaft of a converter or other heavy-duty equipment comprises a spherically convex inner ring on the shaft and an annular array of rigidly interconnected socket elements each forming at least one seat for an inwardly projecting low-friction insert having |
| 4033646 |
Roller bearing with rotatable guide cage |
July 5, 1977 |
| A journal bearing with two rows of symmetrically inclined rollers on opposite sides of a midplane includes a split cage whose two halves, meeting at that midplane, form crenelations engaging the rollers. The cage is guided along the inner surface of the outer bearing race which is pr |
| 4023867 |
Roller bearing for backup rollers in multi-roll mills |
May 17, 1977 |
| A backup roll assembly for use in a multiple roll mill, e.g. a Sendzimir roll mill, having a plurality of loose boundary rings connected in the manner of a bayonet lock with the outer bearing races. |
| 4022515 |
Support means for textile spindles and rotors having anti-friction bearings |
May 10, 1977 |
| A rotatable member such as a spindle or rotor of a textile machine having longitudinally spaced anti-friction bearings is supported in a housing by elastic members such as rubber O-rings having a cross-section which provides for progressive dampening. The elastic member supporting the |
| 4020710 |
Friction disc for false twisting devices |
May 3, 1977 |
| A friction disc for rotating a twisting tube of a false twisting device for crimping thread is provided with a peripheral surface which slings any oil on the surface therefrom. The peripheral surface of the disc has an annular groove therein which is substantially frusto-conically shaped |
| 4018041 |
Friction disc for false twisting apparatus |
April 19, 1977 |
| A friction disc for an apparatus for the false twisting of threads such as, for example, for crimping synthetic threads, has a thread engaging surface with a high co-efficient of friction and a convexly curved asymmetrical profile which is divided into three portions, each portion formin |
| 4013373 |
Snap-ring-connected coaxial annular members |
March 22, 1977 |
| Two annular members, such as a sleeve and an abutment ring, are held together by a snap ring of generally V-shaped (or Y-shaped) cross-sectional profile with a pair of lips with a mirror-symmetrical confronting annular grooves of the members, the arms of the V (or Y) resting against |
| 4008563 |
False twisting device |
February 22, 1977 |
| An open end spinning device or a false twisting device having two mutually parallel pairs of rollers for driving a spinning rotor or a twisting tube and a horseshoe-shaped magnet associated therewith for retaining the twisting tube or rotor in a wedge-shaped nip between the pairs of roll |
| 3989326 |
Tapered-roller bearing with massive cage |
November 2, 1976 |
| The tapered-roller bearing has an inner race formed with a groove having a frustoconical base on which is provided an array of rollers that also engage a frustoconical surface on an outer race. A cage comprising a ring lies on one of the ledges defining grooves in the inner race and has |
| 3980354 |
Welded-together roller bearing |
September 14, 1976 |
| A roller bearing has a pair of metallic race members each formed with a machined race surface. Each of the members is formed with a relatively thin rib and the two members are joined together at the ends of the ribs by means of a weld. Thus stresses resulting from the welding operation a |
| 3975066 |
Journal bearing |
August 17, 1976 |
| A journal bearing comprises one or two sets of rotary bodies, i.e. rollers and/or balls, guided in a cage structure of resilient resinous material with two axially spaced annular flanges snap-fitted into respective grooves of triangular cross-section which are formed in an outer and/or a |
| 3964324 |
Friction rollers for twist tubes in false-twisting apparatus |
June 22, 1976 |
| A friction roller for rotating twist tubes in twisting apparatus in which the friction ring is protected from contact with ambient oil by means of a protective coating and a slinger edge disposed on at least one side of the friction ring. The protective layer may be a protective ring whi |
| 3964248 |
False twisting devices |
June 22, 1976 |
| An apparatus for false twisting a thread has three spindles each carrying friction elements and disposed, in plan view, at the corners of an equilateral triangle. Both ends of each of the spindles are mounted in bearings on a frame. A removable spacer is provided at each end of the f |
| 3955350 |
False twister |
May 11, 1976 |
| An apparatus for false twisting threads has three spindles arranged to rotate about substantially parallel axes and fixed at the corners of a triangle centered on the mean path of the thread with friction elements carried by the spindles overlapping each other and means for moving a |
| 3942313 |
False twister |
March 9, 1976 |
| A false twisting apparatus having three spindles supporting over-lapping friction discs and having a means for feeding a thread between the friction discs where it will be false twisted and into a balloon preventing member is provided with an improved means for threading the apparatu |
| 3940914 |
False twister |
March 2, 1976 |
| An apparatus for false twisting a thread having three rotatably mounted spindles each carrying a pluralilty of friction discs which overlap each other and means for passing a thread along a zig-zag path between the spindles and over the edges of the friction discs is provided with at |
