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Class 384/575 - Uniform sheet metal


Subclass of Class 384 - Bearings
Definition: Subject matter wherein the cage is fabricated of sheet metal
No. of patents: 28
Last issue date: 04/01/2008


NumberTitleIssue Date
7350978Taper roller bearing
An end faced on an outer side in a radial direction of a small diameter annular portion of a retainer is disposed on an inner side in a radial direction of a pitch conical face of a taper roller and an end face on an inner side in a radial direction of a large diame...
04/01/2008
7320550Tapered roller bearing
A tapered roller bearing includes an outer race, an inner race, a plurality of tapered rollers, and a cage. A small-diameter end portion of the inner race is formed with a small flange portion for limiting axial movement of the tapered rollers and a cylindrical port...
01/22/2008
7229215Double-split cage
A double-split cage includes a strip-shaped metallic sheet curved into a semi-cylindrical shape and having several pockets for accommodating a single row of rollers arranged in the circumferential direction. The strip-shaped metallic sheet has two arch portions sepa...
06/12/2007
7210854Rolling-bearing cage
A cage for cylindrical rolling-contact elements, in which two rolling-contact elements that are in contact with one another at their lateral surfaces are arranged in series in the circumferential direction in a pocket and in which each of the two rolling-contact ele...
05/01/2007
7051611Method for producing a shaft and device containing one such a shaft
A method for producing a shaft and a device containing such a shaft (22), in particular an armature shaft (22) of an electric motor drive (10), which shaft is held by at least one shaft bearing (43), includes forming a bearing surface (
05/30/2006
6648519Rolling bearing cage
In a cage for cylindrical rolling bearings (5), which cage is rolled out of a sheet metal strip (12), the pockets (4), as seen in a top view, have, in a profiled, punched and unbent state of the sheet metal strip (12), a curved shape in a region of the in...
11/18/2003
6238097Sheet-metal cage for roller bearings
A Sheet-metal cage for rollers of roller bearings, confronting a section having pockets for rollers and at least one side ring having a bore surface extending from one end of said section said ring-shaped section 8 of the side ring 2 carrying the bore sur...
05/29/2001
6213648Sheet metal cage for roller bearings and method for producing sheet metal cage
A process for producing a sheet metal cage for roller bearings involves using a press roll to form a disk-shaped circular sheet metal blank into a tubular element having radially inwardly projecting and axially extending ribs, and stamping window-shaped p...
04/10/2001
6206576Cage for cylindrical rolling elements
A profiled cage characterized in that, between crossbars (5) in peripheral direction, side rings (1, 2) comprise a slot (15) which is spaced from the ends of the pockets (6) so that a section of material (16) is formed which is retained by two adjacent cr...
03/27/2001
6007254Needle roller bearing
The needle roller bearing A comprises a cage 3 having a plurality of long window-shaped pockets 3a formed at an appointed interval on its circumference, and a plurality of needle rollers 4 rollably accommodated and retained in the pockets 3a of the cage 3...
12/28/1999
5647674Retainer for needle roller bearing
A retainer for a needle roller bearing which can prevent a film of lubricating oil from being broken due to its needle roller retaining claws and thus prevent peeling of the needle rollers. Outer-diameter claws and inner-diameter claws are provided on rol...
07/15/1997
5567059Window cage
To provide good cage guidance in a window cage for a preferable flangeless spherical roller bearing in order that the bearing might achieve higher loads, the cage includes two annular axially spaced apart ribs and transverse ribs that extend between the a...
10/22/1996
5538348Self-aligning roller bearing with cage
In a self-aligning roller bearing providing an outer race, an inner race, a plurality of barrel-shaped rollers, and a pair of cages, guide surfaces formed on outward flange portions of the cages for guiding the barrel-shaped rollers are caused to come clo...
07/23/1996
5391005Bearing cage with depressed slot end
A flat strip of metal is formed to provide a depressed center relief portion between two edge portions. Depressions are formed in the two edge portions and center slots are pierced across the center relief portion such that roller receiving slots are form...
02/21/1995
5335416Roller bearing sigma cage
A strip of metal is pierced intermediate the edges thereof to form slots for rollers and is bent adjacent the edges to form flanges. Each bend intersects the slots such that the slots wrap around the bends into the flanges. The strip of metal is then form...
08/09/1994
5255985Roller bearing sigma cage
A strip of metal is pierced intermediate the edges thereof to form slots for rollers and is bent adjacent the edges to form flanges. Each bend intersects the slots such that the slots wrap around the bends into the flanges. The strip of metal is then form...
10/26/1993
5152615Roller bearing cage
A roller bearing cage is made of a bent strip of sheet metal having abutting ends that are connected to one another, the cage being comprised of two end rings and a cage frame surrounding the windows, the windows retaining and guiding the rollers. In orde...
10/06/1992
5062719Roller bearing cage
A roller bearing cage is made of a bent strip of sheet metal having abutting ends that are connected to one another, the cage being comprised of two end rings and a cage frame surrounding the windows, the windows retaining and guiding the rollers. In orde...
11/05/1991
5052828Bearing assembly for use in high temperature operating environment
A support bearing assembly for supporting a jet aircraft engine high speed rotor shaft where an operating temperature of up to 1500 degrees F. is involved and the bearing unit is exposed to such temperature condition, includes a rolling elements-inner and...
10/01/1991
4993849Radial rolling bearing
A radial rolling bearing with an outer race ring having at least one radial flange which engages in a peripheral groove of a cage in which rolling elements arranged in pockets are lodged, characterized in that the radial flange delimits an opening through...
02/19/1991
4952079Roller bearing cage
A roller bearing cage for cylindrical rollers comprising two parallel end rings (1) connected by a plurality of crossbars (2) distributed over the circumference of the cage to form pockets (3) for accommodating two adjacent rollers (4) in each pocket, the...
08/28/1990
4710039Cage for roller bearing
A roller cage for rollers with end surface depressions has holding projections preformed in the side ring sections thereof in the region of the pockets, in order to avoid a change of diameter of the holding projections and a change of the pocket shape dur...
12/01/1987
4605322Double row roller bearing retainer
A single retainer retains two sets of circumferentially separated rollers. The retainer is made from flat metal stock. The retainer includes a pair of axially separated end rings interconnected by circumferentially separated axially extending cross-bars, ...
08/12/1986
4584749Method for making cages for rolling bearings
The invention pertains to a process and a device for the production of pocket cages for roller bearings. The starting material is a cup-shaped blank or a tube, and the lateral surfaces of the cage are cut at the same time that the rolling element pockets ...
04/29/1986
4522516Roller bearing support structure with metal window cage
A roller bearing comprising an annular outer track and a roller cage for itioning shoulderless, self-aligning roller bearings for high loads is disclosed. The cage is a window cage. It supports two annular rows of bearing rollers so that the inner end su...
06/11/1985
4419800Method of forming a cage for frusto-conical roller bearings
A cage for a frusto-conical roller bearing is formed of a punched flat material strip so that an elongated bar extends along one side of the punched strip with a number of bars extending transversely outwardly from the elongated bar with the ends of these...
12/13/1983
4062603Axial stop ring and its application and a method and device for its manufacture
The stop member has a shape of revolution and an L-shaped cross section. The re-entrant angle defined by the two branches of the L faces the axis of the member. A skirt portion of the member which corresponds to the branch of the L which is parallel to th...
12/13/1977
3992764Method of forming a roller cage
Ridges are preferably rolled-formed into a long, flat metal strip; and pockets are also formed in the strip with their axes perpendicular to the ridges. The ridges are then flattened to form lateral projections extending into the pockets with the projecti...
11/23/1976
 
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