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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7367429 | Device for feeding oil to a bearing seat of a rotatable shaft A device for feeding oil to a seat of a bearing (5) that supports a rotatable shaft (3) includes an annular oil reservoir (14) surrounding a seat of the bearing (5), an oil pump (8) having two spindles (10, 11) with opposite... | 05/06/2008 |
| RE39948 | Seal bearing assembly for use in a solid waste comminutor A solid waste material comminuting system having a an electric motor for providing rotary motion, a pair of cutter stacks with cutter elements of one stack interleaved with cutter elements of the other, and gear means to transmit the rotary motion of the electric m... | 12/25/2007 |
| 7179039 | Vibration-damping ring insert arrangement and component connection arrangement incorporating the same Vibration-damping ring insert arrangement includes a vibration-damping ring. A hollow cylinder member includes a first end, a second end, and an inner surface that is connected to an outer surface of the vibration-dampening ring. One of an outwardly extending edge a... | 02/20/2007 |
| 7165891 | Guide roller assembly for a continuous casting plant A guide roller assembly includes a guide roller and a bearing that supports the roller body of the guide roller and is formed as a ring-shaped, segmented slide bearing. ... | 01/23/2007 |
| 6986344 | Bladeshaft assembly for a powered saw or cutting machine A bladeshaft assembly for a cutting saw includes a hollow tubular housing member. A shaft member extends coaxially through the tubular housing member and has at least one end that extends outwardly of the tubular housing member. At least one bearing member is dispos... | 01/17/2006 |
| 6953284 | Dustproof structure for a sleeve bearing A dustproof structure for a sleeve bearing includes an axial tube, a sleeve bearing, a dustproof cushion and a motor rotor. The motor rotor has a shaft seat and a shaft mounted thereto. The axial tube accommodates the sleeve bearing which bears an axial hole through... | 10/11/2005 |
| 6918701 | Synthetic resin-made sliding bearing A synthetic resin-made sliding bearing (1) includes a synthetic resin-made lower casing (2), a synthetic resin-made upper casing (3) superposed on the lower casing (2), a synthetic resin-made disk-shaped thrust sliding bearing piece (4... | 07/19/2005 |
| 6845986 | Low torque seal assembly A unitized seal assembly for use with roller or ball bearing assemblies is disclosed. The unitized seal assembly includes, among other things, a radially outer ring and a radially inner deflector ring. The outer ring includes a first shield element which defines a f... | 01/25/2005 |
| 6814213 | Bearing housing and roller shaft seal A molded plastics bearing housing for receiving a roller bearing which is press-fitted into and end of a conveyor roller tube is disclosed. The body portion of the housing extends radially inward as neck portion terminates in two rims, one rim sealing against the sh... | 11/09/2004 |
| 6283634 | Transmission for automobiles and bearing therefor A transmission for automobiles comprising a casing, an input shaft and an output shaft, a power transmission member on the driving side, a power transmission member on the driven side, and a bearing comprising an outer ring, an inner ring, a plurality of ... | 09/04/2001 |
| 6217218 | Hydrodynamic bearing spindle motor A hydrodynamic bearing spindle motor comprising: a fixed member which has a radial bearing portion; a rotational member; a rotary shaft which is rotatably supported by the radial bearing portion of the fixed member and is secured to a substantially centra... | 04/17/2001 |
| 5925955 | Labyrinth seal system A labyrinth seal system of the present invention is found in a motor having a ball bearing ring, a shaft, and a labyrinth seal washer. The ball bearing ring has an inner bearing ring with an inner ring surface. In one embodiment the labyrinth seal system ... | 07/20/1999 |
| 5871282 | Linear motion rolling guide unit with seal structure The linear motion rolling guide unit has a top seal secured to the casing which comprises sealing members facing side areas of the upper surface of the track rail. Each of the sealing members comprises a lip seal portion and a labyrinth seal portion. The ... | 02/16/1999 |
| 5860746 | Sealed roll bearing A sealed roll bearing of a roll which has neck sleeves of high strength, preferably shrunk onto the roll necks of the roll, wherein the flanges of a profiled sealing ring sealingly engage over the end portions of the neck sleeve facing the end faces of th... | 01/19/1999 |
| 5714817 | Labyrinth seal system A labyrinth seal system of the present invention is found in a motor having a ball bearing ring, a shaft, and a labyrinth seal washer. The ball bearing ring has an inner bearing ring with an inner ring surface. In one embodiment the labyrinth seal system ... | 02/03/1998 |
| 5669717 | Center flange bearing suitable for use with electrical machinery A hydrodynamic sleeve bearing for supporting the shaft of a relatively large electromechanical machine. The bearing includes a base element and a cap element matable about the shaft to produce the bearing housing. The bearing housing when assembled includ... | 09/23/1997 |
| 5494355 | Device for removal of lubricant from a bearing assembly A bearing assembly includes a shaft rotating about an axis and a bearing being acted upon by a liquid lubricant and supporting the shaft. A device for removing the lubricant from the bearing assembly includes at least one sealing assembly adjacent the bea... | 02/27/1996 |
| 5480232 | Oil seal for gas turbine In a rotor bearing housing comprised of split half sections (10) and adapted to be joined at horizontal joining surfaces (12) of the half sections, and wherein each half section includes a beating recess flanked on either side thereof by a seal recess (16... | 01/02/1996 |
| 5478020 | Seal bearing assembly for use in a solid waste comminutor A solid waste material comminuting system having a electric motor for providing rotary motion, a pair of cutter stacks with cutter elements of one stack interleaved with cutter elements of the other, and gear means to transmit the rotary motion of the ele... | 12/26/1995 |
| 5476326 | Synthetic resin bearing A synthetic resin bearing comprised of synthetic resin-made upper and lower bearing cases and a synthetic resin-made bearing member having a disk-shaped thrust bearing piece and a hollow-cylindrical radial bearing piece with a radially extending slit. The... | 12/19/1995 |
| 5301771 | Oil channeling in a centrifugal compressor transmission In the transmission of a centrifugal compressor, where a gear is located adjacent to a lubricated bearing, a barrier is provided between the bearing and the gear to restrain the flow of oil to the gear and thereby reduce the pumping and windage losses tha... | 04/12/1994 |
| 5271676 | Combination package tilt pad journal bearing/dual self equalizing thrust bearings, with hydrostatic lift provisions The bearing pedestal for the rotating shaft 12 includes journal and axial thrust bearings 16 and 26, respectively. Both of the journal and thrust bearings have passages 70 and 80, respectively, and recesses 74 and 82 in the respective pad faces for flowin... | 12/21/1993 |
| 5238166 | Sealing arrangement for retaining liquid lubricant in selected areas of a machine A sealing assembly for regulating the flow of lubricant to a rotating shaft and to the bearings which support it. The shaft is supported on rolling-contact bearings to which are coupled bearing collars. The bearing collars serve as spray-off edges for rem... | 08/24/1993 |
| 5074567 | Modified one piece labyrinth seal A unitary structure comprising a mechanical seal for rotating shafts consisting of a single ring member. The ring member has at one end a series of radial grooves in the internal bore and a trough extending across the grooves to an end of the ring. The ri... | 12/24/1991 |
| 5005990 | Pump bearing system A centrifugal pump of the type specially adapted to be used as a boiler feed pump and including a bearing system at the driven end of the pump comprising a bearing chamber housing a flexible bearing supporting the pump shaft and being cooled by the fluid ... | 04/09/1991 |
| 4875334 | Spindle construction for mounting arrangements for spinning machine rotors A spindle is provided which is intended especially for use in the mounting arrangement of a spinning rotor within the spinning housing of a textile spinning machine. The spindle comprises an outer sleeve, two rows of balls disposed in cages, and a shaft w... | 10/24/1989 |
| 4822182 | Rotary motion driving apparatus A rotary motion driving apparatus includes a gas bearing assembly for supporting a rotatable shaft and is usable in any ambience such as a vacuum ambience. The rotatable shaft has two flange-like collar portions formed on the opposite ends of the rotatabl... | 04/18/1989 |
| 4741630 | Device for the leakage-free removal of bearing oil from sliding bearings for rotation shafts of high-speed machines An assembly for the leakage-free removal of bearing oil from sliding bearings for rotating shafts of high-speed machines, includes a sliding bearing axially divided into bearing cups, contactless shaft seals near bearing end surface preventing escape to t... | 05/03/1988 |
| 4541773 | Safety device for motor pump group This invention provides in centrifugal motor pumps and the like a safety structure embodying a bearing bushing coaxially mounted with respect to the pump shaft in a space between the shaft and the body of the pump, with the bushing designed to act as a hy... | 09/17/1985 |
| 4465385 | Flexible spring bearing A flexible spring bearing comprising a substantially cylindrical configuration with an arcuate portion being disposed circumferentially about the cylindrical configuration. The arcuate portions may be convexly curved outward or concavely curved inward. Al... | 08/14/1984 |
| 4428629 | Protection and seal member for rolling bearings A protection and seal member for rolling bearings, arranged to be interposed between the inner race and the outer race of the bearing in order to isolate the rolling bodies from the surrounding ambient by providing a seal between the said races. The main ... | 01/31/1984 |
| 4402514 | Fluid-cooled oil deflector Oil deflectors are used in large rotary machines to seal against oil leakage which travels axially along the shaft from a flood lubricated bearing in which the shaft is mounted for rotation. Disclosed is a fluid-cooled oil deflector in which cooling is pr... | 09/06/1983 |
| 4348067 | Bearing seal A seal for a bearing having a housing with an opening therein for receiving a shaft, in which a sleeve is disposed in the housing opening and has an axial bore therethrough for receiving a shaft. The sleeve has a labyrinth seal section having intermeshing... | 09/07/1982 |
| 4277114 | Rollers including labyrinth seals A labyrinth seal element comprises a primary wall extending generally radially outwardly from a central axis, a central opening within said primary wall for receiving a shaft, and a plurality of spaced generally axially extending annular scavenging walls ... | 07/07/1981 |
| 4199052 | Conveyor roller wheel assembly A conveyor roller wheel assembly comprising a roller member rotatably mounted on a hub member, as by means of a plain journal bearing or by rolling elements such as ball or roller bearings, between inner and outer seal flanges on the hub member, the hub m... | 04/22/1980 |
| 3942849 | Auxiliary sealing structure for a shaft bearing An auxiliary sealing structure for a shaft bearing having a housing, in which a segmented collar is adapted to be clamped onto the end of the bearing housing using interlocking opposite facing shoulders on the housing and collar. The two segments of the c... | 03/09/1976 |
