Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 8079598 | Check seal structure for hydraulic shock absorber A check seal (53) for discharging working oil scraped off a piston rod (3) by an oil lip (52b) into an oil pool (A) of a hydraulic shock absorber to an oil reservoir (R) is disposed on the outside of the oil pool (A). The check seal (5... | 12/20/2011 |
| 8042814 | Seal The seal for sealing off the bearing interior of a bearing has a first sealing lip angled outward from a base of the seal and forming a first sealing contact, and a second sealing lip angled inward from the base and forming a second sealing contact. An annular chamb... | 10/25/2011 |
| 7806412 | Lip type end face sealing device An objective of the present invention is to provide a lip type end face sealing device 6 having excellent sealability to different kinds of liquids on the both sides in the axial direction and having excellent durability. A case 61 tight fitted to an i... | 10/05/2010 |
| 7380797 | Wheel support bearing assembly To provide a wheel support bearing assembly in which the frictional resistance can be effectively reduced while effects of minimizing leakage of the filled lubricant and ingress of dust and muddy water from outside of the bearing assembly are secured, the wheel supp... | 06/03/2008 |
| 7300377 | Power transmission lubrication system A planetary transmission includes a plurality of planetary gearsets. The planetary gearsets have a lubrication system comprised of pinion pins secured in side plates and central passages located within the pinion pins. The central passages or cavities have radially ... | 11/27/2007 |
| 7275701 | Adjustable discharge apparatus Adjustable discharge apparatus include a first conduit apparatus with a first conduit section extending along an arcuate path about a pivot axis. A second conduit apparatus is pivotally mounted about the pivot axis in a telescoping relationship with the first condui... | 10/02/2007 |
| 7217036 | Sealed ball bearing In a seal-type rolling bearing, between an inner ring and an outer ring, contact-type seal plates are respectively interposed on the counter-water-drenchable side and on the water-drenchable side. On the counter-water-drenchable side, a seal plate including, in the ... | 05/15/2007 |
| 7216871 | Non-contacting seal for rotating surfaces A non-contacting seal for sealing in high temperature applications includes at least one segment having an inner pad with a hydrodynamic/hydrostatic lift-off geometry enabling the seal to run in a non-contact mode, and at least one finger spring supported on the pad... | 05/15/2007 |
| 7201241 | Self relieving seal Self relieving seals of this invention comprise an elastomeric seal body having a first sealing surface and a second sealing surface for contact with respective drill bit sealing surfaces. The seal includes a pair of external surfaces that each extend along the seal... | 04/10/2007 |
| 7182346 | Multistage oil seal against different cutting fluids for a machine tool motor A multistage oil seal (4) includes a plurality of lips (7a, 7b, 7c) in a plurality of stages disposed around a motor shaft (1) of a machine tool along the axis of the motor shaft to protect internal members of ... | 02/27/2007 |
| 7172201 | Sealing ring, especially radial shaft seal A sealing ring has a sealing disk having a fastening part and a seal part. The fastening part is connected to a first stationary machine part and the seal part seals a movable machine part and is oriented in an axial direction toward an atmosphere side or a medium s... | 02/06/2007 |
| 7163606 | Process for recovering methylene chloride A system for recovering methylene chloride from an aqueous waste stream is disclosed. The system includes a distillation unit, at least one heat transfer unit, receptacles for methylene chloride and waste product, a temperature probe and a controller configured to s... | 01/16/2007 |
| 7156399 | Sealing device and sliding member A sealing device comprises a sealing member brought into contact with a contact surface so as to be slidable in a predetermined sliding direction. The sealing member comprises a sliding contact portion containing a high polymer material to be brought into sliding co... | 01/02/2007 |
| 7134671 | Lip seal having increased contact force at interface and apparatus incorporating the same A seal having a body portion, at least one lip portion extending from the body portion, and a protrusion formed on the at least one lip portion. The lip portion and protrusion formed thereon may each include an arcuate segment wherein the arcuate segment of the prot... | 11/14/2006 |
| 7134669 | Sealing ring A sealing ring has an annular disk with at least one fastening part secured on a first machine part and at least one sealing part that, when the sealing ring is mounted, sealingly rests against a second machine part. The annular disk is fastened without intermediate... | 11/14/2006 |
| 7127912 | Multi-chambered container with collared O-ring A modified multi-chambered container including a container body defining a central (e.g., liquid) chamber, a neck defining an opening to the central chamber, a flange extending upward from the neck, and a groove formed in the neck around the first opening. A collare... | 10/31/2006 |
| 7125020 | Vented high pressure shaft seal A rotary fluid pressure device (11) having a housing (13,31), inlet and outlet ports (21,23), a gerotor gear set (15), a valve member (51) and an input-output shaft (49). A seal assembly (73) is disposed radially betw... | 10/24/2006 |
| 7097004 | Pressure bleeding boot-type seal A boot-type seal having a seal and a valve. The seal has a first seal member, which is configured to sealingly engage a first surface, and a second seal member, which is configured to sealingly engage a second surface. The valve is coupled to the seal and is operabl... | 08/29/2006 |
| 7093820 | Over center high deflection pressure energizing low leakage seal A low leakage seal for separating two environments and contacting a component surface is provided. The seal includes a base and an annular rib. The annular rib is coupled to and extends from the base. The annular rib includes at least one contact surface configured ... | 08/22/2006 |
| 7090221 | Seal device A seal contact surface of a seal lip member and a protruding lip member of an end face seal are separated from each other and frictional heat generated at the seal lip member due to sliding motion is prevented from being transferred to the end face seal for softenin... | 08/15/2006 |
| 7090223 | Shaft sealing module for sealing vacuum chambers A shaft sealing module is proposed for sealing a shaft which extends driving rotationally from a normal pressure chamber into a high vacuum chamber. It is essential for the shaft sealing module according to the invention that the dynamic seal of the shaft takes plac... | 08/15/2006 |
| 7083170 | Rod or piston primary seal A rod or piston primary seal, which includes a primary seal (2) facing the space (1) to be sealed and a secondary seal (3) facing away from it, in which the primary seal (2) is fitted into the groove (4), of a holding element (5... | 08/01/2006 |
| 7066927 | Vented seal having redundant sealing components A seal having a body and several bands extending away from the body. The bands extend around an axial portion of the body. In some embodiments, the bands project from and are formed integral with the body. For example, the bands can be rings. Two bands can be locate... | 06/27/2006 |
| 7040628 | Large diameter polytetrafluoroethylene or like seals A large-diameter PTFE seal. The lip of the seal is made from a long strip of PTFE bound together at the ends with the aid of a patching tape to form a closed loop. The loop is then flanged and placed between an inner and an outer case, together with a rubber-like ga... | 05/09/2006 |
| 7021612 | Roller bearing A swivel mounting is made as a double-row roller bearing and has an outer ring with a first outer track and a second outer track, a first inner ring with a first inner track, and a second inner ring with a second inner track which is located axially next to the firs... | 04/04/2006 |
| 7004476 | Combustion gas seal for injector A combustion gas seal for injectors having the function to prevent the leak of a combustion gas when the injector is mounted on a cylinder head of an engine, wherein the seal is made of a resin and the entire surface of the combustion gas side end of the seal is exp... | 02/28/2006 |
| 6976548 | Self relieving seal Self relieving seals of this invention comprise an elastomeric seal body having a first sealing surface and a second sealing surface for contact with respective drill bit sealing surfaces. The seal includes a pair of external surfaces that each extend along the seal... | 12/20/2005 |
| 6945536 | Oil seal A two liquid type oil seal 10 having a first seal 13 and a second seal 14, is provided with a communication hole 16 in the first seal 13. The communication hole 16 communicates a space 24 defined by the first and seco... | 09/20/2005 |
| 6896269 | Reverse pressure actuated seal A seal for a hydraulic cylinder rod is provided. The seal includes a main body that defines an opening therein. The seal includes an inner surface and an outer surface. A first radial face having a generally planar surface extends from the inner surface to the outer... | 05/24/2005 |
| 6866270 | Sealing device for cylinder bearings A C-section ring fixed on a steel-mill roll and coaxially surrounding its stub has inner and outer axially extending legs defining an axially open cavity. The inner leg is tapered away from the roll and is formed adjacent the free end with a radially outwardly open ... | 03/15/2005 |
| 6857637 | Rotation shaft seal A rotation shaft seal disposed between a housing and a rotation shaft, and provided with a seal member of rubber having a lip end portion which extends as to diminish in diameter to a fluid storing chamber side, wherein the lip end portion has a contact portion whic... | 02/22/2005 |
| 6851676 | Inner seal ring for rolling mill oil film bearing An inner seal ring is disclosed for use in an oil film bearing for a roll in a rolling mill. The roll has a neck with an intermediate section tapering from an end face to a reduced diameter end section contained within a sleeve. The sleeve is fixed in relation to th... | 02/08/2005 |
| 6827351 | Link mechanism of surgical robot A scraper device for a reciprocating compressor piston rod that comprises at least one scraper ring, provided with at least one lip which faces the surface of the said rod, and a box to contain the scraper ring and for centering on the rod, wherein this scraper ring... | 12/07/2004 |
| 6820876 | Boot for universal joint A boot for a universal joint is constructed by a boot body and a boot adapter. The one end of the boot is fitted on a propeller inner shaft via its one-end fitting portion and the other end of the boot is fitted on the outer race of the universal joint via its other... | 11/23/2004 |
| 6783130 | Seal mechanism and fuel pump provided therewith A seal mechanism with improved pressure tightness is provided to eliminate a return piping to a fuel tank used for reducing pressure applied to the seal mechanism in a high pressure fuel pump. The seal mechanism includes a stress reduction mechanism for reducing the... | 08/31/2004 |
| 6722658 | Wiper with integrated seal A wiper having an integrated seal, comprising at least one dynamically stressed, first sealing lip arranged in the direction of a space to be sealed, and at least one wiping lip disposed on the side facing away from the space to be sealed. The wiper having an integr... | 04/20/2004 |
| 6641141 | Self-contained anti-blowout seal for fluids or gases A self contained anti-blowout seal includes a seal jacket having a static seal surface and a dynamic seal lip with a cavity therebetween. A retaining ring is provided and disposed, in part, within a cavity of the seal jacket and proximate the static seal ... | 11/04/2003 |
| 6609716 | Wiper seal A wiper seal for a hydraulic component is provided. The wiper seal includes a support member with a first leg that has an inner surface, a first end, and a second end and that extends substantially parallel to a reference axis. The support member further ... | 08/26/2003 |
| 6607197 | Rotary seal with relief angle for controlled tipping A sealing device for sealing the gap between two relatively moving members is provided with a pivot point on its cross-sectional perimeter. As pressure against the seal increases, the seal rotates about the pivot point, resulting in an increased sealing s... | 08/19/2003 |
| 6595524 | Pressure regulating buffer seal A buffer seal adapted for use in a seal assembly including at least a primary seal, the seal assembly being adapted to provide a fluid seal between two relatively moving machine elements, such as a piston or rod of a first machine element moving within a ... | 07/22/2003 |
