...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7497628 | Tilt pad bearing assembly Disclosed is a radial tilt pad bearing assembly comprising: an outer carrier; a plurality of tilt pads retained within the outer carrier; and a corresponding plurality of retaining pins to retain the tilt pads in given circumferential positions, each fixed in the be... | 03/03/2009 |
| 7390126 | Zero radial play idler arm bracket bearing An idler arm bracket bearing includes a plurality of inwardly extending fingers to contact the bracket. The fingers deflect toward the bearing body as the fingers contact the bracket, thereby ensuring a full contact fit that provides a tighter joint assembly. Rib me... | 06/24/2008 |
| 7337764 | Pressure balanced bearing A method of pressure balancing across a bearing adjacent to a pressure differential is described. The method primarily includes providing a bypass port around the bearing for allowing a fluid flow from a first pressure side to a second pressure side. A throttle body... | 03/04/2008 |
| 7237957 | Journal bearing having self-retaining shoes and method of using the same to support a rotating shaft A journal bearing, and a method of using the same, that utilizes self-retaining bearing shoes that prohibit relative movement between an aligning ring and the bearing shoes in the axial direction. In one aspect, the invention comprises an aligning ring; at least one... | 07/03/2007 |
| 7063465 | Thrust bearing A thrust bearing 11 for use with a shaft 13 having a collar 15 mounted the shaft 13 and rotatable therewith has a base ring 17, a series of shoes 19 positioned on the base ring 17, and a compressible resilient spacing... | 06/20/2006 |
| 7018104 | Bearing assembly and method A bearing assembly and method in which a bearing cage is disposed around a rotating member and a housing is disposed around the cage. A first portion of the radial outer surface of the cage extends in a slightly spaced relation to the corresponding portion of the in... | 03/28/2006 |
| 6767133 | Tilting pad bearing arrangement A tilting pad bearing arrangement (10) (FIG. 1(a)) includes an array of bearing pads (15i) supported on a carrier (16). For each pad, the carrier pad surfaces have cylindrically concave recesses (28i... | 07/27/2004 |
| 6739756 | Combination thrust bearing and journal bearing, and method for distributing fluid to same A thrust bearing tilting pad has face with a border region including an engagement surface and defining a pocket with generally longitudinal sidebars and a bottom. The pad has leading and trailing portions, with the face extending generally longitudinally therebetwe... | 05/25/2004 |
| 6499883 | Tilting pad for bearings A thrust bearing tilting pad has face with a border region including an engagement surface and defining a pocket with generally longitudinal sidebars and a bottom. The pad has leading and trailing portions, with the face extending generally longitudinally... | 12/31/2002 |
| 6200034 | Self-stabilizing, true-tilting pad with generally tapered pocket for journal bearing True-tilting pad of journal bearing has face with border region including engagement surface and defining pocket with generally longitudinal sidebars and a bottom. The pad has leading and trailing portions, with the face extending generally longitudinally... | 03/13/2001 |
| 6099271 | Downhole electrical submersible pump with dynamically stable bearing system A bearing configuration for use in electrical submersible pumps having improved stability. The bearing configurations include multi-lobed bearings, such as lemon bore, tri-lobe bearings, pocket bearings and tilting pad type bearings.... | 08/08/2000 |
| 6079102 | Journal bearing method employing self-stabilizing, true-tilting pad with abruptly-stepped pocket True-tilting pad of journal bearing has face with border region including engagement surface and defining pocket with longitudinal sidebars, bottom, and abrupt step. The pad has leading and trailing portions, with the face extending longitudinally therebe... | 06/27/2000 |
| 5911511 | Tilting pad foil thrust and journal bearings The present invention provides a foil journal bearing including at least one support pad mounted inside a journal sleeve, and onto which foils are mounted. The support pad is mounted to the journal sleeve in a manner allowing it to tilt in response to foi... | 06/15/1999 |
| 5772335 | Self-stabilizing, true-tilting pad with abruptly-stepped pocket for journal bearing True-tilting pad of journal bearing has face with border region including engagement surface and defining pocket with longitudinal sidebars, bottom, and abrupt step. The pad has leading and trailing portions, with the face extending longitudinally therebe... | 06/30/1998 |
| 5759011 | Journal bearing assembly A journal bearing assembly for mounting within a rotatable shaft that has been hollowed out to form a shaft cavity, said assembly comprising a plurality of bearing pads positioned about a bearing support, said support and bearing pads positioned within th... | 06/02/1998 |
| 5720558 | Tilting bearing pad with an axial feed groove having an exit side profiled area A tilting bearing pad for use in a turbine engine in accordance with the present invention includes an opening extending between opposing inner and outer surfaces of the pad and a profiled area extending from the opening. More specifically, the opening co... | 02/24/1998 |
| 5634725 | Bearing assembly A bearing assembly for supporting a rotatable shaft comprises a number of bearing pads supported in a housing and the mutually engaging surfaces of each bearing pad and the housing are two surfaces of closely similar shape.... | 06/03/1997 |
| 5593232 | Integral pivot pad bushing seal bearing An integral pivot pad bushing seal bearing, adapted for sealing about a rotating shaft, includes a carrier ring having a radially inner generally cylindrical surface for providing a fluid seal about the shaft. A plurality of cavities are formed in the car... | 01/14/1997 |
| 5482380 | Double tilting pad journal bearing A double tilting pad journal bearing includes a substantially cylindrical, open ended beating casing having a longitudinal axis extending therethrough, an interior surface of which supports a plurality of beating liner pads for circumferential and axial t... | 01/09/1996 |
| 5423613 | Tilt pad journal bearing assembly with self-contained hydrostatic lift provisions The tilt pad journal bearing assembly includes a conduit within the bearing housing for supplying lubricant hydrostatically to each tilt bearing pad. The conduit includes a flexible segment coupled at respective opposite ends to the tilt pad and to a quic... | 06/13/1995 |
| 5205652 | Nonlinear spring supported hydrodynamic bearing A compliant hydrodynamic gas bearing comprises a nonlinear spring arrangement for supporting a plurality of tilting arcuate pads which hydrodynamically carry radial journal loads. The nonlinear spring support arrangement enables the bearing to provide inc... | 04/27/1993 |
| 5076772 | Slider block radial compliance mechanism with integral deflection bearing The slider block of a scroll compressor has an axial bore therein which is defined by a number of pads. The pads are axially and circumferentially spaced and collectively define a deflection bearing as well as the bore.... | 12/31/1991 |
| 5013947 | Low-profile disk drive motor A disk drive motor having a low profile construction and a gas-lubricated deflecting pad support usable in the disk drive motor and elsewhere includes a cup-shaped rotor having an integral cylindrical portion extending from the base of the cup; the cylind... | 05/07/1991 |
| 4815865 | Hydrodynamic plain radial bearing The bearing described comprises a bearing housing (1); a cylindrical outer race (2) for pivoting segments; pivoting segments inserted into said outer race and distributed around its circumference; and a lubricant feed system (4). The pivoting segments (3)... | 03/28/1989 |
| 4783179 | Sealing device for rotary fluid machine The present invention is directed to a sealing device for a rotary fluid machine having bearings which are disposed at opposite end portions in a shaft chamber and support a shaft, the sealing device being characterized by comprising a fluid seal of a flu... | 11/08/1988 |
| 4597676 | Hybrid bearing A hybrid bearing for a horizontal rotatable shaft includes an upper portion which is essentially a half section of a fixed arc journal bearing. The lower portion of the bearing is essentially the lower portion of a tilting pad bearing. Appropriate modific... | 07/01/1986 |
| 4580911 | Tilting-segment radial bearing The inner boundary of a bearing ring has support strips which act as support surfaces for tilting segments secured by retaining studs. The support strips are parts of a cylindrical support surface and have originated by the remaining parts of the cylindri... | 04/08/1986 |
| 4568204 | Journal bearing A shoe journal bearing having a series of shoes with a leading edge distribution groove, and bleed grooves so as to prevent oil starvation of any area of the shoe, and an oil feed tube connected between the outer end of the oil distribution groove and an ... | 02/04/1986 |
| 4525083 | Trimetallic bearings For use in a pressure fed or flood lubricated bearing, there is disclosed a shaft load-bearing element (e.g., the thrust plate in a tapered land thrust bearing) preferably comprising three metallic layers including an inner layer adjacent the shaft surfac... | 06/25/1985 |
| 4497587 | Three-pad journal bearing An oil lubricated, double tilting, three pad journal bearing includes three pads asymmetrically located with respect to each other and with respect to the horizontal and vertical centerline of a horizontally disposed steam turbine shaft. Each pad has asso... | 02/05/1985 |
| 4457634 | Pivoted segmental bearing A pivoted segmental bearing in which leaf springs are disposed angularly equidistant between the outer surface of the annular shoe support member and the overlying inner surface of the outer support casing, and wherein the springs are immersed in the lubr... | 07/03/1984 |
| 4354606 | Bearing assembly for a pedestal crane A bearing assembly for a pedestal crane including at least one arcuate shoe adapted to be disposed about the pedestal and mounted with the upperworks of the pedestal crane, with mounting members for releasably mounting the arcuate shoe with the upperworks... | 10/19/1982 |
| 4335925 | Thrust bearing This invention is a tilting thrust pad bearing in which bearing pads 11 are supported on individual pillars 19 which themselves bear on supporting bars 23, carried by rockers 24. The supporting bars and rockers are identical components and can be used in ... | 06/22/1982 |
| 4296976 | Cross-plies support element for compliant bearings A resilient support element for a compliant hydrodynamic fluid film bearing has top and bottom corrugated foil modules separated by a thin mid-plane sheet. Both modules are split by slits extending perpendicular to their corrugation axes, and the two modu... | 10/27/1981 |
| 3975065 | Adjustable bearing assembly A fluid film journal bearing having a cartridge supported within a suitable bore in a machine housing by support surfaces in contact therewith is also provided with nonsupport surfaces spaced from the internal wall of the bore to provide axial access to b... | 08/17/1976 |