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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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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 |
| 7329106 | Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle The invention relates to a stator for an eccentric screw pump or an eccentric worm motor, including an outer tube that is provided with a lining of rubber or a rubber-like material and has a hollow space or cavity, in the shape of a double or multiple spiral, for ac... | 02/12/2008 |
| 7316762 | Dynamic flange seal and sealing system The present invention features a flange to flange dynamic seal and sealing system, particularly suited for use within high temperature, high pressure environments, such as a delayed coking process. The dynamic flange seal and sealing system comprises two primary ele... | 01/08/2008 |
| 7300060 | Seal staging system A staged seal assembly having a plurality of staged seals and an external pressure breakdown device connected to the seal assembly and configured to be connected to an external device, wherein each staged seal includes a shaft seal and a seal bypass. The seal bypass... | 11/27/2007 |
| 7278561 | Oil free head valve for pneumatic nailers and staplers The present invention provides a head valve assembly for a pneumatic fastener including a piston assembly reciprocated within a cylinder assembly for driving a fastener and a housing having an end cap for at least partially enclosing the head valve assembly. The hea... | 10/09/2007 |
| 7252291 | Mechanical seal having a single-piece, perforated mating ring A mechanical seal (e.g., single mechanical seals, double mechanical seals, tandem mechanical seals, bellows, pusher mechanical seals, and all types of rotating and reciprocating machines) with reduced contact surface temperature, reduced contact surface wear, or inc... | 08/07/2007 |
| 7232052 | Inner head housing of a nailer The present invention provides a structure of the inner head housing, which is placed inside the nail tip cover. The structure includes a movable base of the air-resistant ring, which is placed inside the slot of the fixed liner ring. The resilient component is used... | 06/19/2007 |
| 7229076 | Mechanical seal A balance ratio for a stationary seal ring is designed to allow a seal face to be opened when, with a rotary seal ring at standstill, steam of a predetermined pressure is supplied to an endo-fluid region while a sealing-fluid region is brought into an exhausting sta... | 06/12/2007 |
| 7210687 | Shaft seal assembly A primary technical goal of this shaft seal device is to decrease the pressure of a sealant at a communication passage between a fluid chamber and a first seal portion, to further reduce the pressure by a floating ring, to make the first seal portion pressure-proof ... | 05/01/2007 |
| 7143508 | Nail spacing verification assembly A nail spacing verification assembly is provided which enables the spacing between nails contained in a collated nail strip, the collated nail strip advancing down a nail loading assembly of a nail gun, to be verified before the nail is allowed to advance. A first a... | 12/05/2006 |
| 7144015 | Modular gas seals cartridge A tandem gas seal assembly is described for sealing between the rotor and the casing of a rotary machine. The assembly comprises two sealing stages 10, 12 mounted axially adjacent to one another on the machine rotor. In the invention, wherein the two stages | 12/05/2006 |
| 7137540 | Dual mode pneumatic fastener actuation mechanism A contact safety and trigger mechanism for use with a pneumatic fastener in order to permit efficient pneumatic fastener actuation mode selection. A rotating rod is included in a contact safety assembly which is constructed to slide toward/away from a driver housing... | 11/21/2006 |
| 7108058 | Packing assembly for rotary drilling swivels and pumps having rotating shafts A packing assembly for use with a rotary drilling swivel having a cylindrical wash pipe comprising a housing assembly including a packing gland forming a sealing assembly chamber around the wash pipe, the packing gland including an injection port in open communicati... | 09/19/2006 |
| 7087144 | Contact ring with embedded flexible contacts A contact assembly for supporting a substrate in an electrochemical plating system, wherein that contact assembly includes a contact ring and a thrust plate assembly. The contact ring includes an annular ring member having an upper surface and a lower surface, an an... | 08/08/2006 |
| 7028875 | Nail checker assembly A nail checker assembly, disposed with a nail loading assembly, provides a pivoting probe assembly which engages with a nail, advancing down the nail loading assembly, and determines if the nail is correctly aligned. If the nail is properly aligned the pivoting prob... | 04/18/2006 |
| 7025242 | Adjustable angle magazine An adjustable angle magazine provides the operator of a nail gun the ability to adjust the position of a housing of the magazine, which stores nails to be driven, relative to a nose casting of the nail gun. This repositioning enables an operator to employ a variety ... | 04/11/2006 |
| 7014192 | Multistage shaft sealing apparatus A plurality of seal units are provided between a seal housing and a rotating shaft. An inside seal unit, an outside seal unit, and at least one pair of intermediate seal units are aligned in an axial direction. The inside seal unit contacts fluid to be sealed. The o... | 03/21/2006 |
| 7004473 | Mechanical seal device A primary object of the present invention is to achieve a high sealing performance, to collect hazardous gas contained in a sealed process fluid, and to realize an easy disposition of a mechanical seal device. A typical configuration is that the end face of a shaft ... | 02/28/2006 |
| 6997601 | Agitator with removable blades for sanitary tank A sanitary tank is provided with a clean-in-place agitator assembly in which the impeller portion is removably installed at the tip or the shaft or along the shaft. A shaft housing that penetrates the wall of the tank employs lip seals around the drive shaft so that... | 02/14/2006 |
| 6959929 | Seal for a compressor and centrifugal compressor equipped with such a seal A seal for a rotary compressor comprises a casing, at least one assembly having a rotating seal face ring which rotates as one with a sleeve intended to be mounted on a shaft of the compressor and of a stationary seal face ring mounted on the casing, the seal face r... | 11/01/2005 |
| 6938809 | Nail lockout assembly A nail lockout assembly provides a way for an operator of a nail gun to have determined whether the nails being employed are properly aligned to allow for efficient operation of the nail gun. The nail lockout assembly may be employed in a nail loading assembly, such... | 09/06/2005 |
| 6932348 | Mechanical sealing device Even high viscosity fluid or slurry-contained fluid can be securely sealed without deficiency of a liquid sealing device. The sealing liquid device includes an annular packing made of rubber-like elastic material, the annular packing having a secured section fitted ... | 08/23/2005 |
| 6916022 | Shaft seal A sealing assembly for extending around a rotating shaft for preventing the transmission of fluids along the shaft, in which a sealing element is biased towards the rotary sealing part; and a pusher sleeve extends between the sealing element and a housing. ... | 07/12/2005 |
| 6905123 | Seals A gas seal for providing a seal between a pair of relatively rotatable components is provided with a stand-still seal which will seal between the components when the components are stationary, the stand-still seal having a sealing element mounted in sealing relation... | 06/14/2005 |
| 6789804 | Dry gas shutdown seal A dry gas seal has a housing with an annularly-shaped channel disposed concentric with the drive shaft, and an inlet to introduce pressurized buffer gas into the housing interior. An annularly-shaped shutdown piston is slidably received in the housing channel for ax... | 09/14/2004 |
| 6783193 | Rotary pump and braking apparatus using rotary pump A rotary pump such as a trochoid pump is composed of a housing and a rotating structure including an inner rotor and an outer rotor. The rotating structure is rotatably enclosed in a rotor space formed in the housing. The rotor space is divided into a low pressure s... | 08/31/2004 |
| 6685192 | Tandem seal A pair of primary and secondary mechanical seals are arranged tandem in an axial direction around a rotating shaft in a space between the rotating shaft and a housing having a shaft sealing part. The center or intermediate liquid is sealed into a center r... | 02/03/2004 |
| 6504888 | Apparatus and methods of flow measurement for a boiling water reactor internal pump A reactor pressure vessel (RPV) for a nuclear reactor that permits measurement of the flow through each reactor internal pump (RIP) is described. The reactor pressure vessel also includes at least one reactor internal pump that includes an impeller and a ... | 01/07/2003 |
| 6474652 | Shaft seal device A shaft seal device is provided which is capable of sealing a rotary shaft in a positive and reliable manner without requiring a periodical lubricant-supplying operation, and is free from contamination of its environment, products, etc. by splashing of ex... | 11/05/2002 |
| 6471214 | Tandem axial face seal for pumps for cryogenic media A seal suitable for a driveshaft of a pump for cryogenic media. The seal can operate without extraneous confining gas, runs frictionless and assures a long service life, which was unattainable so far. The seal is designed as a tandem axial face seal. A sl... | 10/29/2002 |
| 6454268 | Shaft seal device A shaft seal device including a casing having a hollow portion, a rotable shaft extending inside the casing from a sealed fluid region to an outer region, a non-contact type first mechanical seal arranged between the casing and the shaft so as to divide t... | 09/24/2002 |
| 6446975 | Seal arrangement The invention concerns a seal device for a submersible machine, such as a pump or a mixer. The seal device is designed as an easily replaceable unit comprising two mechanical face seals (4,6) and (5,7) resp. with an intermediate room for a barrier liquid ... | 09/10/2002 |
| 6416057 | Brush seal A brush seal arrangement for sealing cooperation between a shaft and a surrounding member which is relatively rotatable with respect to the shaft. The brush seal includes an annular rotor disposed in surrounding relationship to the shaft and sealed with r... | 07/09/2002 |
| 6406028 | Seal stack A seal stack includes one or more first seals that are adapted to seal in at least a first range of temperatures. The seal stack also includes a second seal that is adjacent to at least one of the first seals. The second seal is adapted to seal in at leas... | 06/18/2002 |
| 6371259 | Drum brake structure for a wheel of all-terrain vehicle A real wheel is fitted directly to the brake drum, and cooling fins are provided at the outer surface of the brake drum for dissipating heat. A seal member is fitted to an open edge of the brake drum, and an L-shaped plate for mating with lips of the seal... | 04/16/2002 |
| 6357751 | PROTECTIVE ELEMENT FOR A SEALING ARRANGEMENT WITH AT LEAST ONE SEALING RING, SEALING ARRANGEMENT WITH SUCH A PROTECTIVE ELEMENT AS WELL AS METHOD FOR KEEPING AWAY DIRT PARTICLES FROM SUCH A SEALING ARRANGEMENT A protective element for a sealing arrangement having at least one sealing ring has an annular bottom having an inner side and a radially outer side. A mantle portion is connected to the radially outer side. A cylindrical portion is connected to the radia... | 03/19/2002 |
| 6343793 | Dual channel rotary union A rotary union for use with an electroplating apparatus includes a shaft having a first surface area and an extended surface area, the first surface area having a first aperture therein, the extended surface area having a second aperture therein. The rota... | 02/05/2002 |
| 6325381 | High-pressure rotary seal A rotary seal adapted for placement on an associated rotating shaft to inhibit fluid flow between the shaft and an associated housing includes an annular main seal member having a peripheral surface, an inner surface defining a central opening, and first ... | 12/04/2001 |
| 6305692 | Seal device A seal device for a submersible machine, such as a pump or a mixer, the seal device being designed as an easily replaceable unit having two mechanical face seals parted by a room for a barrier liquid in which a pump impeller is located. The impeller circu... | 10/23/2001 |
| 6293374 | Drum brake seal structure for all-terrain vehicle wheel A drum brake includes a brake drum attached to an axle, and a brake panel. The brake drum includes a disc portion and a cylindrical portion extending from an outer peripheral end portion of the disc portion towards the brake panel. On an outer peripheral ... | 09/25/2001 |
