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An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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| Number | Title | Issue Date |
| 7334799 | Sealing device for a turbocharger A sealing device has a seal ring and a cylindrical bellows portion connected to the seal ring. The cylindrical bellows portion has a corrugated outer surface. A turbocharger utilizing the sealing device has a turbine wheel connected to a shaft and a compressor wheel... | 02/26/2008 |
| 7293778 | Systems and methods for sealing between stators and rotors A seal is used between a housing and a shaft having an axis. The seal includes a first portion and a second portion engageable with each other and movable relative to each other. The first portion and the second portion are configured to be received in a cavity betw... | 11/13/2007 |
| 7226671 | Use of powder metal sintering/diffusion bonding to enable applying silicon carbide or rhenium alloys to face seal rotors A method for making aerospace face seal rotors reinforced by rhenium metal, alloy, or composite in combination with silicon carbide or other ceramic. The resulting rotor also is disclosed. Ceramic grains, preferably silicon carbide (SiC), are mixed with powdered met... | 06/05/2007 |
| 7219898 | Spring supported dual element face seal with a run surface sleeve The invention provides a seal for a rotatable shaft. The seal includes an inner case mountable to the shaft and having a body and first and second flanges extending radially outward from the body. The seal includes first and second sealing discs operable to seal aga... | 05/22/2007 |
| 7163206 | Fluid seal A jet pipe assembly containing at least one joint provided with a seal assembly to isolate, substantially, the fluid flowing in the pipe from the fluid external to the pipe. The dynamic member of the seal assembly is provided with both radial and cylindrical sealing... | 01/16/2007 |
| 7125019 | Single seal with resilient member The invention relates to a single seal, and more specifically to a seal for a rotary shaft extending through a wall, e.g. that of a pump housing. The single seal exhibits one single sealing location between a stationary and a rotating sealing ring. The seal is attac... | 10/24/2006 |
| 7121555 | Seal assembly and crawler-track connection structure A seal assembly has simple assembly structures, and provides secure sealing effects. A crawler-track connection structure allows the seal assembly to be easily mounted, and securely prevents overflow of a lubricant and the like to the outside. A pair of seal rings (... | 10/17/2006 |
| 7080510 | Exhaust gas sealing system for turbocharger An exhaust gas sealing system for a turbocharger includes a control valve for controlling a flow of an exhaust gas in a turbine housing, a shaft extending to an outside of the turbine housing through a bearing bore provided on the turbine housing, one end of the sha... | 07/25/2006 |
| 7024866 | Axial loaded seal system with a static L-seal A piston includes a circumferential groove having a dynamic split seal ring having a flat axially facing surface, a static seal ring having a flat axially facing surface abutting the flat surface of the dynamic seal ring, and a spring mounted within the groove. The ... | 04/11/2006 |
| 6969071 | Face seal assembly A face seal assembly including an annular mating ring housing having a proximal end surface with a channel therein, a mating ring insert disposed in the channel, the mating ring insert including a mating ring compressed within a first band to maintain the integrity ... | 11/29/2005 |
| 6946096 | Use of powder metal sintering/diffusion bonding to enable applying silicon carbide or rhenium alloys to face seal rotors A method for making aerospace face seal rotors reinforced by rhenium metal, alloy, or composite in combination with silicon carbide or other ceramic. The resulting rotor also is disclosed. Ceramic grains, preferably silicon carbide (SiC), are mixed with powdered met... | 09/20/2005 |
| 6464231 | Bellows seal with spring-loaded radial secondary seal A mechanical seal of the invention includes relatively rotatable seal rings and a secondary seal therefore. The secondary seal is a C-shaped spring loaded gasket having upper and lower gasket legs. The gasket is provided between two of the seal components... | 10/15/2002 |
| 6412784 | Split face mechanical seal system According to a preferred embodiment, a mechanical face seal assembly comprises four generally ring-shaped members and plural spring devices. The first ring-shaped member is directly fastened (e.g., bolted) to the flanged structural section located at the ... | 07/02/2002 |
| 6338489 | Mechanical seal A mechanical seal including a slide ring and a counter-ring that are axially preloaded against each other along sealing surfaces through the application of spring tension. These surfaces contact each other in a manner that permits the sealing surfaces to ... | 01/15/2002 |
| 6293555 | Secondary seal for non-contacting face seals A Non-contacting face type pressure sealing assembly for shafts rotating at high speeds, such as for example those of centrifugal compressors, such assembly having at least two mating sealing rings. One of the subject sealing rings is fixed to the rotatin... | 09/25/2001 |
| 6217028 | Sealing apparatus for use with a rotatable shaft extending through a vessel This invention relates to a seal apparatus for providing sealing engagement between a vessel and a rotatable shaft extending through a wall of the vessel. An insert retainer is connected with respect to the vessel and around and apart from the rotatable s... | 04/17/2001 |
| 6186511 | Seal assembly with an interlocking load ring A face seal assembly comprises a pair of confronting seal rings having mutually-engaging seal faces. The seal faces are maintained in sealing engagement by a pair of resilient load rings that are positioned between the seal rings and a pair of housings th... | 02/13/2001 |
| 6017036 | Mechanical shaft seal The invention is a mechanical seal assembly for use between a stationary body and a rotating shaft. The seal assembly includes a stationary element, a rotating biasing element and a rotating tensioning element. The rotating biasing element is sealed to th... | 01/25/2000 |
| 6003874 | Apparatus for sealing rotary tubes An apparatus for sealing a rotary tube drum of a furnace to another furnace component. Two concentric resilient metal ring segments are provided on a disk to comprise the sealing elements of the present invention. A plurality of springs arranged as a ring... | 12/21/1999 |
| 5984312 | Sealing device A sealing device comprises a slide ring and a counterring having sealing surfaces, the slide ring and counterring contacting one another under axial prestressing in a sealing manner and capable of rotating relative to one another, the counterring and a su... | 11/16/1999 |
| 5762343 | Slide ring seal assembly A slide ring seal assembly includes a slide ring member and a counterring member adjoining the slide ring member in axial alignment therewith. A force-exerting arrangement which axially resiliently presses the two ring members to one another includes a fi... | 06/09/1998 |
| 5354070 | Split mechanical seal A split mechanical seal incorporating a spring retainer is disclosed. The mechanical seal of the present invention is constructed to prevent fluid leakages from equipment having a fixed cavity, containing the fluid, and a rotatable shaft. The spring retai... | 10/11/1994 |
| 5351972 | Inside/outside mounted double mechanical face seal The present invention consists of a shaft packing with an inner seal (4) and an outer seal (2) which are biased by means of springs (5) and an intermediate ring (1). The spring package and the major part of the shaft packing are positioned on the outside ... | 10/04/1994 |
| 5188377 | Externally-mounted, stationary-design, self-aligning rotary face seal An externally-mounted, stationary-design, self-aligning, rotary face-seal is provided for securement to a rotatable shaft member extending through a housing of equipment containing a media (e.g. liquid, gas or granular solids) which is to be sealed therei... | 02/23/1993 |
| 5186473 | Device for sealing a gap between two relatively moving surfaces A seal unit for sealing a clearance between relatively movable first and second machine components includes a low-friction, wear-resistant sealing element having a sealing face for sealingly engaging a surface of the first machine component; a spring havi... | 02/16/1993 |
| 4886394 | Shield tunneling machine A shield tunneling machine comprises a shield body, a rotor disposed in a front portion of the shield body, support is provided behind the rotor in the shield body and for supporting the rotor to be eccentrically movable around the center axis of the shie... | 12/12/1989 |
| 4836560 | Seal A seal for a housing with a housing wall enclosing a rotatable tubular body includes a first sealing ring concentrically surrounding and secured to the tubular body, the first sealing ring having a sealing surface disposed at a right angle to the axis of ... | 06/06/1989 |
| 4795572 | Replaceable trunnion seal The novel sealing means of this invention generally comprises a replaceable, annular-shaped sealing device having a substantially L-shaped radial cross-sectional configuration for effecting the indirect fluid-tight sealing of an entry passageway formed at... | 01/03/1989 |
| 4765632 | Lubricated rotary shaft seal A lubricated rotary seal mounted between a shoulder of a rotary shaft and a face plate through which the shaft end extends has a ring-shaped body that fits on the shaft end and partially overlaps the shaft shoulder. A porous bearing washer on the face of ... | 08/23/1988 |
| 4754981 | Unitized face sealing device A unitized face sealing device comprising first and second annular face sealing rings which can rotate relatively to each other and which have interengaging sealing faces, said rings being located within a unitizing casing, resilient means acting between ... | 07/05/1988 |
| 4687346 | Low profile bearing support structure A bearing support in which a rotating shaft (2) is disposed within a fixed support structure (14) and includes a bearing assembly (4) centered within the fixed support structure (14) by a plurality of resilient centering rods (20). A seal carrier (28) is ... | 08/18/1987 |
| 4669739 | Rotary mechanical fluid face seal with rigid restraint ring means A seal assembly for sealing a rotatable shaft to a housing includes a flexible bellows member and a removeable insert which are sealed against each other along complementary tapered sealing surfaces. A rigid restraint is located in the flexible bellows me... | 06/02/1987 |
| 4650340 | Rotating drum end seal Apparatus for sealing an opening (12) in the end face (13) of a rotating drum (10), including a stationary backing plate (24), annular seal ring (20), surrounding the opening and extending in a sealing manner between the backing plate and the end face, re... | 03/17/1987 |
| 4586719 | Mechanical seal A single or multiple stage mechanical seal assembly in which one seal ring is resiliently coupled to a rotatable shaft and the other seal ring is resiliently urged toward the first seal ring by axially-arranged identical springs received in spring pockets... | 05/06/1986 |
| 4583748 | Face seal for shafts of machines processing synthetic resin A shaft seal for machines processing synthetic resin under pressure and in a plastified condition has two sealing rings that contact each other along a sealing interface running out from the shaft axis. The sealing ring that is further from the housing co... | 04/22/1986 |
| 4434988 | Shaft seal A shaft seal comprises a holder carrying a carbon seal for rotation against an end surface of a stationary seal ring, the holder being coupled to a drive sleeve secured to a shaft of the machine which extends through an end wall which mounts the seal ring... | 03/06/1984 |
| 4417734 | Shaft seal assembly having universal washer with bores for springs A shaft seal assembly for an aircraft engine fuel pump has a seal housing (30) mounted upon the pump housing (32). A carbon face seal (42) is in wiping engagement with a seal face (40) on the drive shaft (36) of the pump. The carbon face seal has a recess... | 11/29/1983 |
| 4412747 | Sealing device in mixing equipment A sealing device adapted for use in mixing equipment includes a cylindrical packing mantling an end portion of the rotating shaft of the mixing blade with a clearance interposed therebetween, the mixing blade including a shoulder from which the rotating s... | 11/01/1983 |
| 4363491 | Shaft seal assembly A stainless steel sleeve is loosely disposed on a shaft portion projecting outwardly from a stuffing box bore and at least one end of the sleeve projects into the stuffing box bore and includes a seal member for establishing a sliding fluid-tight seal bet... | 12/14/1982 |
| 4343478 | Face seal assembly for rotating drum A seal assembly comprises a tube rotatable about its longitudinal axis and having two longitudinally spaced flanges projecting radially outwardly from the outer surface thereof. Slidably positioned against one of the flanges is a seal ring, and disposed b... | 08/10/1982 |
