...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 |
| 7753591 | Turbocharger bearing and associated components An exemplary bearing and locating pin system for a turbocharger includes a locating pin including a shaft, a head and an aperture and a bearing having a central axis and including an internal bore to receive a shaft extending between a compressor wheel and a turbine... | 07/13/2010 |
| 7581888 | Bearing with lubricant reservoir A bearing for storing a lubricant and supplying the lubricant to a shaft is provided. The bearing includes an inner wall defining an axial bore adapted for receiving the shaft therethrough and an outer wall spaced apart from the inner wall. The bearing also includes... | 09/01/2009 |
| 7364403 | Lubricating system for a fan A lubricating system for a fan (10) includes a lubricant storage space (17) formed at an end portion of the fan for receiving lubricant therein. A lubricant temporary retaining space (145) is defined at the other end portion of the fan for tempo... | 04/29/2008 |
| 7318675 | Device for temporary repair of auger carrier bearings The device for temporary repair of auger carrier bearings is an assembly used to serve as a temporary to semi-permanent replacement for the carrier bearings of auger rotary shafts. The assembly comprises a U-bolt having threaded legs and a flat strap having two open... | 01/15/2008 |
| 7259487 | Electric machine including circuit board mounting means An electric machine having a stator assembly that includes a stator core and a coil supported by the stator core and a rotor assembly that includes a shaft and a rotor supported by the shaft that is in magnetic interaction with the stator core. The electric machine ... | 08/21/2007 |
| 7207722 | Combined bearing A combined bearing includes a main body (10) and a mating member (30). The main body is generally cylindrical, with an axial hole (16) and a cutout (18) defined therein. The cutout is generally semi-cylindrical and spans from an outer sur... | 04/24/2007 |
| 7107950 | Variable valve actuating mechanism for internal combustion engine A lift and operating angle varying mechanism is arranged to vary an intake valve operation angle and an intake valve lift of the engine continuously by rotating a control shaft with an actuator disposed at an end of the control shaft which is rotatably supported by ... | 09/19/2006 |
| 6840677 | Ceramic bearing structure A ceramic bearing structure is constructed to include an axle bush having an axially extended axle hole, and an axle pivoted to the axle hole of the axle bush, the axle bush having a radial open chamber extended across the axle hole. The radial open chamber diminish... | 01/11/2005 |
| 6708658 | Internal combustion engine In an internal combustion engine including bearing sections rotatably carrying a camshaft and provided integrally or separately on a cylinder head, and rocker arms moved with the rotation of the camshaft and swingably carried on rocker shafts, a rocker shaft holder ... | 03/23/2004 |
| 6699020 | Fan assembly with lubricant-containing bearings A fan assembly includes a mounting tube having an annular flange extending radially and inwardly from an inner wall surface thereof. A rotor includes a rotor shaft extending into the mounting tube. First and second bearings are sleeved on the rotor shaft,... | 03/02/2004 |
| 6674200 | Spindle motor Spindle motor that has high rotational precision and is manufacturable at low cost, and that can be applied even in miniature, low-profile recording-disk drives. The spindle motor includes a shaft having a cone portion, a conic-shaped cavity into which th... | 01/06/2004 |
| 6666581 | Bearing for multi-spindle bar machine A multi-spindle automatic bar machine having a housing, a plurality of spindles, each with a collet at one end, and mounted with a rotating head which is carried by the housing, the rotating head being adapted to index the spindles through a plurality of ... | 12/23/2003 |
| 6604859 | Bushing for oil film bearing A bushing has a cylindrical wall with an inner bearing surface configured and dimensioned to surround the journal surface of a roll neck in a rolling mill. The bearing surface has a primary recess into which oil is admitted to serve as a lubricant between... | 08/12/2003 |
| 6583952 | In-hub spindle motor with separate fluid dynamic bearings A hydrodynamic bearing system where the bearing includes a shaft and two independent bearings, including a top cone or bi-sphere and a bottom cone or bi-sphere separated by a segment of the shaft. The bearing includes a hub supported bearing element rotat... | 06/24/2003 |
| 6457867 | Method and apparatus for replenishing oil in a fluid dynamic bearing using a sleeve groove A method and apparatus for replenishing oil in a fluid dynamic bearing using a sleeve groove. The replenishing groove is formed in the sleeve surrounding the shaft so that centrifugal force drives the oil to move toward the radial bearings.... | 10/01/2002 |
| 6214774 | Grease for fan bearing A grease for a bearing of a fan comprises a base oil selected from a various kinds of silicone oils having a viscosity of 30 to 500 mm2 /s at 40 degree-C. and a viscosity of 30,000 mm2 /s or less at -30 degree-C., and a diurea compou... | 04/10/2001 |
| 6138320 | Wiper pivot shaft and wiper apparatus In a wiper apparatus of a vehicle, an intermediate support portion 14 of a wiper pivot shaft (10) is inserted into a pivot holder (12) fixed on a vehicle body and is thus supported. One side surface (23) of a flange portion (24), which is located between ... | 10/31/2000 |
| 6109792 | Combination stack tightener and journal bearing assembly A combination stack tightener and journal bearing for a shear shredding or material processing apparatus includes a retaining ring fixedly mounted to an end of the shaft; a pressure disk slidingly positioned on the shaft between the retaining ring and the... | 08/29/2000 |
| 6102675 | Cooling fan with an oil-retaining bushing A cooling fan with an oil-retaining bushing has a rotor, a stator and a housing. A self-lubricating bushing is provided within the sleeve of the housing. The spindle of the rotor is disposed in a the bushing and fixed by a retaining ring. The bushings def... | 08/15/2000 |
| 6000852 | Journal bearing assembly A bearing assembly comprises a pair of relatively rotatable bearing components, where at least a portion of one of the bearing components is journalled to at least a portion of the other one of the bearing components. One of the first bearing component in... | 12/14/1999 |
| 5954434 | Device and process for discharging a liquid lubricant from a bearing configuration A device for discharging a liquid lubricant from a bearing configuration for a shaft which rotates around an axis, in particular for a steam turbine. The bearing configuration has a bearing, upon which the lubricant acts and which mounts the shaft, at lea... | 09/21/1999 |
| 5785429 | Sintered oilless bearing A sintered oilless kinetic pressure bearing containing an oil is formed with a plurality of grooves along the inner diameter to produce the kinetic pressure, in which the proportion between the groove and corresponding inner periphery portion is appropria... | 07/28/1998 |
| 5762423 | Bearing device, solid resin lubricating composition and porous oil-impregnated bearing A bearing device wherein a porous body is formed with a bearing surface (5a) which comes in slide contact with the slide surface of a shaft (3) to be supported, while a porous oil-impregnated bearing (5) impregnated with a lubricating oil or lubricating g... | 06/09/1998 |
| 5645355 | Bearing unit A bearing unit in which two oil sintered slide bearings are fitted in a bearing space of non-magnetic bearing housings to be spaced away from each other and a magnetic fluid is interposed between a rotary shaft and the oil sintered slide bearings to rotat... | 07/08/1997 |
| 5645357 | Bi-directional lubricating bushing A shaft bushing provides a internal circumferential or annular surface and an adjacent internal radial surface both of which receive lubricant directly from an aperture in the bushing, in such a manner that outfacing surfaces, radial surfaces and in-facin... | 07/08/1997 |
| 5547288 | Camshaft bushing assembly An external metal housing (10) is formed of two abutting metal plates (11, 12), each having a perimeter support wall (13) and an outwardly extending annular protruding wall (14) defining a bushing receiving area. An internal annular bushing (22) is accomm... | 08/20/1996 |
| 5493952 | Interconnecting rotary and reciprocating motion A pair of opposed pistons (17) are interconnected by a connecting link assembly (19) defining opposed parallel guide surfaces (24), transverse to the axes of the pistons. A drive block (28) is rotatably mounted on a crankpin (16) of a crankshaft by a bear... | 02/27/1996 |
| 5281033 | Housed bearing assembly with sealed roller A housed bearing assembly suitable for use as a pillow block bearing unit or flanged bearing unit. The assembly includes a shaft sleeve and roller body secured to one another and enclosed by a housing. The roller body is adapted to roll against an inner p... | 01/25/1994 |
| 5145263 | Backlash absorbing system for bearings A bearing system rotatably supporting a shaft or any other similar machine element is unrotatably fitted in a bearing inserting aperture. The bearing system comprises a fixed bushing which is located more adjacently than the shaft to a portion thereof on ... | 09/08/1992 |
| 5059039 | Magnetic bearing bushing A bearing bushing incorporating a sleeve (1) of magnetizable material forming the sliding surface of the bearing, a shaft (2) mounted in said sleeve (1) and a lubricant in the form of a magnetic fluid (3) between the sliding surface of the sleeve (1) and ... | 10/22/1991 |
| 4971459 | Journal bearing with high stiffness A bearing arrangement wherein a shaft of uniform diameter is supported in a journal bearing having multiple sections located axially along said shaft at different locations. Each journal bearing section includes a circular journal bore receiving the shaft... | 11/20/1990 |
| 4965965 | Grinding head for surfacing and polishing stone, marbles and other hard materials Grinding head for surfacing and polishing stone, marbles and other hard materials including a rotating housing supporting a number of oscillating grinding blocks which during rotation of said housing are pressed against the surface to be treated during si... | 10/30/1990 |
| 4961122 | Hydrodynamic grooved bearing device A hydrodynamic grooved bearing device in which a shaft is inserted into a hole formed in a bearing housing and one of the shaft and bearing housing is rotated, thereby the rotated member being supported includes a plurality of grooves formed on the shaft ... | 10/02/1990 |
| 4936742 | Water pump apparatus having lubricating oil circulation and axial thrust support A water pump apparatus has an impeller mounted on a driven rotational shaft rotatably supported by mutually spaced bearing portions in a body member. In order to lubricate the sliding bearing surfaces between the bearing portions and the rotational shaft,... | 06/26/1990 |
| 4915067 | Valve operating system of internal combustion engine A valve operating system for an automotive internal combustion engine. The valve operating system is comprised of a plurality of bearing sections formed in a cylinder head of the engine and adapted to rotatably support a camshaft formed with a plurality o... | 04/10/1990 |
| 4898262 | Decive for lubricating hydrodynamic bearings A device for lubricating hydrodynamic bearings comprising an oil tank (2) and a pump (1) connected to the bearings (8) through a delivery line (5). The delivery line (5) has a value (9) placed below the oil level in the tank (2) . The valve has a casing w... | 02/06/1990 |
| 4808070 | Fluid bearing A gas bearing including a support having a longitudinally extending cylindrical bore, of a predetermined diameter and an elongated generally cylindrical shaft rotatable within the bore of the shaft being of a predetermined diameter less than the diameter ... | 02/28/1989 |
| 4796419 | Bearing support for a twisting or spinning machine A bearing assembly for a spinning or twisting spindle shaft is provided which includes at least one support bearing device for supporting a shaft. A lubricant feeding and discharging duct member is provided for feeding and discharging lubricant to and fro... | 01/10/1989 |
| 4795273 | Propeller shaft bearing arrangement The invention relates to a method for preventing leaks in a propeller shaft bearing arrangement including a plain bearing (2), which is lubricated with oil or water and which supports the propeller shaft (1) extending through an opening in the body (4) of... | 01/03/1989 |
| 4758100 | Automatic lubricant metering apparatus An automatic lubricant metering device consists essentially of a housing (4), from inside of which a piston (5) is conveying a lubricant (15) through a feeder line (12) to the lubricating location (2) of a revolving shaft (1). The automatic feature consis... | 07/19/1988 |