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Class 29/898.054 - Sleeve or bushing making


Subclass of Class 29 - Metal working
Definition: Process including the manufacture of a usually removable
No. of patents: 52
Last issue date: 02/08/2011


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NumberTitleIssue Date
7882638Process for manufacturing a bearing
A process for manufacturing a bearing. The bearing may be used in a tool disposed within a bore hole. The process comprises providing a tubular sleeve and applying a hard facing material on the outer diameter of the tubular sleeve so that the hard facing material is...
02/08/2011
7322091Vibration isolating bushing and its manufacturing method
This invention relates to a vibration isolating bushing, for example, built into a suspension system, an inside diameter of one edge (4) of an inner cylinder (1) being made larger than that of the other edge (6). The outside diameter of the thin...
01/29/2008
7222425Method of forming engine bearing
A journal bearing has a lining of bearing metal applied to a steel backing. The surface of the lining is laser peen hardened to locally increase the hardness and the seizure resistance of the lining. The underlying core of the lining is unaffected and maintains good...
05/29/2007
7216430Rolling bearing, and crank shaft bearing
To form a dividing portion 21 of an outer ring 13 so that a dividing line is of a crankshaft shape as seen in the axial direction while first and second race ring halves 16, 17 fit to each other. The dividing portion 21 is formed so that ...
05/15/2007
7117709Flange sleeve and method for the production thereof
The invention relates to a method for the production of a flange sleeve (10) especially for a sliding bearing. A strip of material is cut into lengths corresponding to the later periphery of the flange sleeve. The strip section (14) thus arising is rol...
10/10/2006
7111397Method of forming an inside wall of a bearing for supporting a cylindrical element
The invention relates to a method of forming the inside wall of a support bearing of given height H and suitable for receiving a cylindrical portion of a cylindrical element for co-operating with the inside wall, said method comprising the steps of estimating a defl...
09/26/2006
7001565Seals
A composite seal face ring has an inner ring (60) made of material with good tribological properties, the inner ring (60) being pre-compressed by an outer ring (64) with a high tensile strength and a thermal coefficient of expansion substantiall...
02/21/2006
6957489Method for producing a light-alloy bearing bush with a rough external surface
The aim of the invention is to produce a light-alloy bearing bush with a rough external surface. To achieve this, particles, which are subsequently surrounded in part by the molten metal, are applied to the surface of the casting mould. When the bearing bush is rele...
10/25/2005
6932512Agricultural rockshaft bearing block structure and wear inserts therefor
A bearing block structure for an implement rockshaft includes a two-piece ultra high molecular weight (UHMW) polyethylene wear insert located between a cast iron or welded steel bearing block and a rockshaft. In one embodiment, identical insert halves are supported ...
08/23/2005
6915574Method of manufacturing variable vane seal and washer materials
A multi-layer seal and washer that provide a seal between a vane stem and a casing in a turbine engine are disclosed. The seal and washer are fabricated from materials such as Teflon fibers and glass fibers and are impregnated with a polyimide resin. The seal and wa...
07/12/2005
6916117Bearing shell for use as a crankshaft thrust bearing
A bearing shell for a crankshaft thrust bearing has a circumferential oil passage (4) formed on the inside of shell (6) of bearing shell (1). An oil passage (4) is connected via a hole (2) to the outside of and to a groove (7
07/12/2005
6904680Method of making a guide bushing
A bushing utilizes a fabric reinforced thermoset composite sleeve incorporated within an outer shell in a construction enabling the sleeve to be press-fitted within the shell and held therein by a constriction in the shell bore which is embraced by the bearing liner...
06/14/2005
6842982Method of producing bushing
By press-fitting a cylindrical blank into a die with one of a pair of punches, and at the same time press-fitting small diameter end portions and tapered portions of the pair of punches into both ends of the cylindrical blank while restraining both end surfaces of t...
01/18/2005
6840722Machining apparatus and machining method
A machining apparatus for machining a workpiece by rotating and revolving either the workpiece or a tool 1 to contact with each other. The machining apparatus comprises rotation/revolution ratio setting motors M1 and M3 for setting a ratio of a ...
01/11/2005
6688001Method and apparatus of working plain bearing
There is provided a method of working a plain bearing and a working apparatus of the plain bearing, which make it easy to perform working by forming a plurality of inclined surfaces of different angles in portions on both sides of the inner peripheral sur...
02/10/2004
6626020Method of producing vibration-isolating bushing
A method of producing a vibration-isolating bushing with which it is possible to secure a larger area of the edge surface of an inner cylinder than in the prior art method. In upsetting one extremity of the inner cylinder by cold plastic working, after a ...
09/30/2003
6505971Sintered oil retaining bearing and fabrication method thereof
A sintered oil retaining bearing has a bearing bore through which a rotary shaft is inserted formed at a bearing main unit made of a porous sintered alloy. The inner circumferential wall serving as the bearing bore includes a center inner circumferential ...
01/14/2003
6468194Sleeve for rolling mill oil film bearing
A sleeve is disclosed for use in an oil film bearing of the type employed to rotatably support a roll neck in a rolling mill. The sleeve has an internally tapered section, an end section aligned axially with the internally tapered section, and a cylindric...
10/22/2002
6272751Bearing assembly and manufacturing method
A dry bearing (10.sub.2, FIG. 2(f)) for a hinge pin or the like comprises a bush 40.sub.2 mounted in a radially supportive housing (16), the bush being formed by a circumferentially discontinuous tubular form made by rolling a strip of steel-backed, beari...
08/14/2001
6223437Method for fabricating a friction bearing, and friction bearing
Methods for fabricating a friction bearing, in particular for ceramic shafts, made of metallic hardenable sintered material having an open pore volume of at least 15%, wherein the sintered material is brought into a predetermined shape and is subsequently...
05/01/2001
5815923Bearing and method of manufacturing the same
A bearing includes a bearing portion and an oil basin. The bearing portion is formed integrally with a side frame and projects cylindrically from a surface of the side frame. The oil basin is integrally formed with the bearing portion and annularly provid...
10/06/1998
5772336Sliding bearing and a method for mounting same
A method for mounting a sliding bearing comprises the steps of holding a position different in an axial direction from that of a shaft sliding portion of the bearing by a bearing holding member, inserting a sizing bar having almost the same outer diameter...
06/30/1998
5743015Method of securing a shaft-bearing bush of a non-weldable material in a hole in a metal mounting plate
The invention relates to a method of securing a shaft-bearing bush (3) of a non-weldable material, particularly a sintered metal, in a hole (2) in a metal mounting plate (1), a metal sleeve (4), whose material is weldable to the metal mounting plate (1), ...
04/28/1998
5700104System of fixating a shaft
A system for axially fixing a shaft, in its bearing casing in that the shaft portion surmounting the bearing casing is provided with an annular groove and in that a plastic material is injected around the annular groove....
12/23/1997
5603154Process for improving the run-in characteristics of drives having sintered bearings
A process for improving the run-in characteristics of drives having sintered bearings. The drives are subject, prior to their operational usage in repeated cycles (I; II etc.), to a loading procedure exhibiting respectively a first load (M1), w...
02/18/1997
5586380Method for making mated molded parts assembly
A method for making mated molded parts in which the assembly has first and second parts with precisely mating surfaces. The first part is formed by molding, casting, or the like such that the mating surface of the first part is formed with at least one pr...
12/24/1996
5319851Method for manufacturing a bearing structure of a wiper arm
A method for manufacturing a bearing for a wiper arm structure includes the steps of: a) forming the bearing by sintering so that the outer peripheral surface of the bearing includes rough sintered surfaces of protruding ridges and recessed portion; b) si...
06/14/1994
5282688Sintered oil impregnated bearing and its manufacturing method
In a sintered oil impregnated bearing constructed of a bearing main body made of a porous type sintered alloy on which is formed a bearing hole for inserting a rotating shaft therethrough, the pores on the axially lying sliding face of the inner periphera...
02/01/1994
5216811Method for forming a bushing
An apparatus for use in a vibration damping assembly includes a bushing that is die formed from a steel blank. The bushing is formed to have a substantially tubular shape with an interior surface defining an inner cavity into which moving rods can be inse...
06/08/1993
5174015Apparatus for manufacturing cylindrical slide bearing
There is disclosed an apparatus for manufacturing a cylindrical slide bearing. The apparatus comprises a belt conveyer for conveying a U-shaped semiprocessed product, a press unit composed of a punch and a die confronting each other and respectively havin...
12/29/1992
5120091Oil impregnated sintered bearing
An oil impregnated sintered bearing suitably used for a spindle motor, which rotatably supports a shaft in a longitudinal opening of the bearing for supporting the motor shaft. The longitudinal opening is formed by at least three inwardly projecting surfa...
06/09/1992
5120140Sintered oil-impregnated bearing
A sintered oil-impregnated bearing is disclosed having a plurality of evenly extending smoothed areas on the inner periphery surface for receiving a rotary shaft, the smoothed areas having a constant angular width of 10° to 90°, the remaining surface ar...
06/09/1992
5035051Method of manufacturing a bearing bush
A bearing bush includes a cylindrical portion for bearing a radial load on a rotating shaft, and a flange formed integral with the cylindrical portion and adapted to bear a thrust load on the rotating shaft. The flange has a through hole at its center. Ac...
07/30/1991
4939827Method of manufacturing a bearing device including a housing with a flange at one end thereof and a bearing bush press-fitted thereinto
A method of manufacturing a bearing device having a housing into which a bearing bush is press-fitted. This method includes forming a tapered shape of a bearing hole of a bearing bush, and press-fitting the bearing bush into a bore of the housing having a...
07/10/1990
4888862Method for installing bearing rings
A method for assembling bearing rings in an elongated sleeve member consisting of the steps of forming a roller shell with three sections of varying wall thicknesses separated by angular circumferentially extending shoulders, deforming the shoulder betwee...
12/26/1989
4860419Split bearing assemblies, method for making
Method for making split bearing assemblies by fracture separation, particularly pertaining to engine connecting rods, include steps wherein previously clamped body and cap portions are quickly forced apart longitudinally to cause fracture separation of bo...
08/29/1989
4845817Method of forming a half-round bearing
A half-round bearing including a locating tab for establishing the positioning of the bearing shell when being mounted within a bearing housing. Generating tabs according to the prior art leave a radially outwardly projecting channel in the bearing crown ...
07/11/1989
4802269Method for producing connecting rod of reciprocating motion system
In a connecting rod of reciprocating motion system in which a larger diameter end portion is divided into a body side bearing half and a bearing cap, and in which after a bearing metal is incorporated in a bearing hole defined by the bearing half and the ...
02/07/1989
4771525Method and apparatus for making bearing cap
The present invention concerns a unique method and apparatus for machining a bearing cap assembly of the type typically utilized in a universal joint mechanism. The bearing cap assembly includes an open-ended bearing cap having a closed end wall with an o...
09/20/1988
4732492Bearing ring for supporting items on solid or hollow cylindrical parts
The cylinder may be an aircraft landing gear axle. The items may be pick-ups the sense axle deformation. A ring (30) for supporting the pick-ups is made of highly resilient material. It is initially of such a size that its cylinder-engaging surface overla...
03/22/1988
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