Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 4988218 | Thrust bearing for a pressurized lubricating system and an O-ring A thrust bearing or thrust bearings are adapted to be used in pressurized lubricating systems to maintain lubricant under pressure in these systems. The pressure assures improved lubrication and particularly with a grease lubricant improves lubrication an... | 01/29/1991 |
| 4952077 | Horizontal-axis oil-lubricated cylindrical roller-bearing arrangement A horizontal-axis oil-lubricated cylindrical roller bearing arrangement for bearing traction motors of rail vehicles, including a stationary bearing bracket, a cylindrical roller bearing having an outer ring fastened to the stationary bearing bracket, a s... | 08/28/1990 |
| 4948271 | Bearing structure with improved lubricating seals for supporting shaft element A tapered roller bearing having an inner ring and an outer ring, each respectively having a tapered race, a plurality of tapered rollers, a cage which retains the tapered rollers at an even interval in the circumferential direction and first and second se... | 08/14/1990 |
| 4948270 | Oil flushing adapter An oil flushing adapter includes a pair of conduits which are connected at the same point to a bearing support at opposite sides of a rotor, and then pushed apart by an extension device to force the lower ends of the two conduits into sealing contact with... | 08/14/1990 |
| 4942944 | Screw pump for lubricating generator bearing Apparatus to lubricate generator bearings with an oil-air mist is disclosed. A screw pump, preferably an assembly of components comprising a ring, a teflon seal, a pump rotor and a hub is secured onto a rotor shaft of a generator for rotation therewith. T... | 07/24/1990 |
| 4941757 | Grease reservoir A flexible arcuate one-piece reservoir member has a generally cylindrical outer surface with a flange projecting radially outwardly from that surface. The reservoir is attached to a conventional ball bearing by snapping the flange into a groove in the out... | 07/17/1990 |
| 4928551 | Vibrating mechanism Mechanism for vibrating frame-mounted screen panels having a housing containing integeared drive and driven shafts to which are keyed interfitting counterweights and which are journaled at opposite end portions in laterally spaced pairs of spherical rolle... | 05/29/1990 |
| 4898480 | Compact ferrofluidic electrically conducting sealed bearing A sealed, rolling element bearing includes an inner race attached to a shaft, an outer race attached to a housing, a plurality of rolling elements in an annular region and a pair of shields extending inwardly from the outer race toward the inner race so a... | 02/06/1990 |
| 4858427 | Secondary oil system for gas turbine engine A secondary oil system for a flight propulsion gas turbine engine includes an oil reservoir rotatable as a unit with a rotor shaft of the engine, means conducting a portion of the primary oil flow of the engine to the rotating reservoir, a discharge orifi... | 08/22/1989 |
| 4856915 | Submersible bearing and hub assembly A vehicle wheel hub assembly which protects the bearings located therein from deterioration resulting from water penetrating the interior of the hub. The assembly has a hub housing, the interior of which communicates with a reservoir located above the hou... | 08/15/1989 |
| 4856273 | Secondary oil system for gas turbine engine A secondary oil system for a flight propulsion gas turbine engine having a vertical flight mode and a horizontal flight mode. The secondary oil system includes an annular secondary oil tank in a bearing sump of the engine adjacent a bearing to be lubricat... | 08/15/1989 |
| 4850723 | Bearing and seal assembly for motor mixer A bearing and seal assembly 10 for a mortar mixer having attached to mortar mixer frame 36 a stationary cylindrical housing 14 for rotatably receiving and supporting a hollow cylindrical drum support shaft 11 attached to mortar drum end wall 18. The stati... | 07/25/1989 |
| 4846592 | Rolling bearing An annular oil filter for covering an open end of a rolling bearing has its outer edge held between two annular retainer plates, the outer edges of which are held by a rubber mold to unite them into one body. The rubber mold is resiliently received in an ... | 07/11/1989 |
| 4844625 | Structure of journal bearing for motor operating at high revolutionary speeds Disclosed is a journal bearing structure of a motor for operating at a high revolutionary speed and using an oil-air mix lubrication, wherein a front journal bearing (18) and a rear journal bearing (34) are accommodated, respectively, in a central portion... | 07/04/1989 |
| 4836334 | Lubricating device A device for supplying a lubricant to a mechanism, in particular a rolling bearing, comprising a container for holding a quantity of lubricant which at its lower edge is provided with a discharge channel for the lubricant and wherein a spring-loaded pisto... | 06/06/1989 |
| 4824264 | Bearing of an axle drive bevel pinion A pinion shaft of an axle drive bevel pinion mating with a bevel gear is disposed in two tapered roller bearings, the joint outer race of which is flanged onto the axle housing. In order to lubricate the tapered roller bearings with splash oil and avoid d... | 04/25/1989 |
| 4820061 | Rolling bearing assembly A rolling bearing assembly for mounting a shaft or similar member which has a housing encircling the shaft with at least one rolling bearing installed between two securing rings. The assembly consists of an outer and an inner race and at least one row of ... | 04/11/1989 |
| 4773210 | Open-end rotor-spinning device The invention relates to an open-end rotor-spinning device with a rotor shaft which is mounted and driven in the wedge-shaped gap between supporting disks and to the free end of which is assigned an axial bearing. A simplified mounting, which also allows ... | 09/27/1988 |
| 4772136 | Self-filtering apparatus for hydrodynamic bearing gas Gas bearing of the hydrodynamic self-acting type in which replenishment gas for the support film is drawn by the operating bearing through filter means as required to assure entrapment of potentially damaging particles before they can enter the gas film i... | 09/20/1988 |
| 4764086 | Blower for circulating larger gas volumes, in particular for high-power laser systems A blower is used for circulating larger gas volumes, in particular for high power laser systems which operate according to the gas-transportation principle. The blower comprises a radial feeder being arranged in a connection between two gas ducts. The rad... | 08/16/1988 |
| 4755103 | Flow machine with feed arrangement for lubricants A flow machine, especially a gas turbine equipped with means for separating an oil/air mixture and for returning centrifuged oil droplets to a circulation having oil consuming devices such as bearing places and with a vent line leading from the center tow... | 07/05/1988 |
| 4717000 | Integrated emergency lubrication system An integrated emergency lubrication system is provided to lubricate the bearings of a gas turbine engine in the event that the normal lubrication system for the engine fails for any reason. The emergency system includes an accumulator for storing oil, der... | 01/05/1988 |
| 4668109 | Journal with spring loaded bearings A sealed, oil-filled journal is provided which includes two axially-spaced ball race areas in the preferred embodiment, and which incorporates an axially expanding pressure ring disposed between an internal annular rib and the angular contact ballbearing ... | 05/26/1987 |
| 4657414 | Roller bearing with lubricant reservoir An outer cup made from flat sheet metal encloses an inner cup also made from flat sheet metal. The inner cup has an open end adapted to receive the end of a rotatable member, such as a shaft. The other end of the inner cup has a closed end axially spaced ... | 04/14/1987 |
| 4650440 | Lubrication of hookes universal joints A Hookes universal joint wherein each journal of the cross member of the joint has a lubricant chamber adjacent its outermost end, and the lubricant channel for the journal leads into a passage extending outwardly towards the free end of the journal and t... | 03/17/1987 |
| 4609293 | Lubrication feed bushing for anti-friction bearings The disclosure concerns an anti-friction bearing between a rotating shaft and an external bushing. The bearing includes two axially spaced apart rows of bearing balls. A feed bushing is disposed in the space between the shaft and the external bushing and ... | 09/02/1986 |
| 4580912 | Bearing oil supply filter-control apparatus for a rotating machine A retrofit bearing oil supply filter-control apparatus for a rotating machine is disclosed. The filter-control apparatus may be installed in existing or new bearing oil systems. The apparatus includes a hollow flow-control block having a central cavity th... | 04/08/1986 |
| 4553858 | Bottom plate for a bushing mounted via rolling elements on a pin A bottom plate for emplacement in a bushing having an opening defined by an internal peripheral side wall and a bottom of the bushing. A pin, like the pin of a universal joint cross piece, is received in the opening of the bushing with rollers around the ... | 11/19/1985 |
| 4541738 | Refrigerant cooled tapered roller bearing assembly A bearing assembly for supporting the spindle of a machine tool includes a single row tapered roller bearing and a closure at each end of the bearing for isolating the interior of the bearing from the surrounding atmosphere. A liquid refrigerant and lubri... | 09/17/1985 |
| 4541740 | Lubricating rotor bearings in open end spinning machines A rotor bearing assembly is provided wherein a shaft is journalled within a housing by a pair of spaced bearings packed in a quantity of grease. An oil guide surrounds the shaft and a storage space between the guide and the housing is formed for retaining... | 09/17/1985 |
| 4455099 | Bearing lubricating system for electric rotary machine For a vertical shaft electric rotary machine comprising a pair of upper and lower vertical shafts extending from a rotor and rotatably supported by a bearing within an upper oil tank and a bearing unit within a lower oil tank respectively, a disclosed bea... | 06/19/1984 |
| 4408808 | Relubricatable double row bearing A relubricatable, double-row, rolling contact bearing having an outer race member, first and second inner race members positioned within the outer race member, first and second rows of balls positioned between the outer race member and the first and secon... | 10/11/1983 |
| 4402558 | Rolling bearing A rolling bearing assembly particularly adapted for wheel bearings in vehicles comprising an inner ring having at least one radially outwardly directed mounting flange, an outer ring and a plurality of rolling elements in the annular space between the inn... | 09/06/1983 |
| 4400098 | Bearing arrangements A self-contained bearing unit rotatably supports a tool spindle in a bore of a machine tool housing wall. The unit employs an angular-contact ball bearing and the outer race is displaced axially to alter the pre-loading by supplying pressure fluid to a ch... | 08/23/1983 |
| 4340262 | Spindle bearing and lubrication system A spindle bearing and lubrication system having bearings supporting a shaft for rotation within a housing to which the outer bearing rings are keyed. End retainers and a spacer locate the bearings axially, and, with the bearings, define annular lubricant ... | 07/20/1982 |
| 4249782 | Self-aligning bearing and seal A dynamically self-aligning bearing and seal for use with agricultural groundworking tools which are exposed to contaminated environments and severe shock loadings. The improved bearing utilizes a spherically-shaped support housing and spherically-shaped ... | 02/10/1981 |
| 4188078 | Bearing lubrication system for bowed rolls A bowed roll lubrication system for a bowed roll of the type having an elongated shaft and a plurality of spools disposed about the shaft for rotation. A plurality of ball bearings are disposed along the shaft and each of the bearings has an inner race in... | 02/12/1980 |
| 4186975 | Bearing seal and lubricating device A bearing seal for the outer and inner blade angle bearings of a rotor hub of a rotary wing aircraft comprises a lubricating oil chamber interconnecting the inner and outer bearings and extending coaxially therebetween. The bearings are provided with seal... | 02/05/1980 |
| 4183591 | Recirculating bearing oil filter assembly A readily removable and serviceable filter assembly in an oil recirculation path of a bearing lubrication system is shown wherein the oil passing through the bearing to lubricate the bearing surfaces is returned to an interior reservoir through a stationa... | 01/15/1980 |
| 4021086 | Antifriction bearing arrangement for a high speed rotary machine part Antifriction bearing arrangement for a rotary machine part, especially of the rotor part of an electric motor having its outer winding fastened within the bearing housing, with a shaft mounted in a pair of antifriction bearings whose outer rings are locat... | 05/03/1977 |
