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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7427071 | Divided driver device for a slip ring seal A divided driver device (5) for a mechanical face seal for non-rotatable assembly on a rotary component and for the transmission of a torque to a seal ring (2) held in non-rotatable manner on the driver device. The driver device (5) is divided i... | 09/23/2008 |
| 7311849 | Control device for the separate collection of blood components in output from a blood centrifugation cell The invention provides a control device for the separate collection of blood components in output from a blood centrifugation cell. The control device comprises: a support which comprises a recess for containing a duct; a visible-light emitter with a corresponding r... | 12/25/2007 |
| 7311307 | Seal seat assembly with specialized features A seal seat assembly utilizes a positive mechanical drive between a seal seat and the bore of a pump component, which in turn is mounted to and driven by the shaft by means of a positive mechanical engagement therebetween. The grommet accommodates the positive mecha... | 12/25/2007 |
| 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 |
| 7278799 | Hub assembly and method for adjustable mounting on shaft A hub for removable mounting onto a shaft uses a locking ring having an inner diameter that surrounds the shaft and frictionally engages the shaft to fix the locking ring against the shaft axially and rotationally, a first annular hub component that is mounted to th... | 10/09/2007 |
| 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 |
| 7195439 | Tightening member A hydraulic nut having a first part connected around the first end of a fixing member the first part having an annular recess which opens to receive a second part forming an annular member which fits within the annular recess, wherein a pressurized medium chamber is... | 03/27/2007 |
| 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 |
| 7060018 | Centrifuge apparatus for processing blood A centrifuge apparatus for processing blood comprising a bottom spring-loaded support plate; a top support plate; an axial inlet/outlet for blood to be processed and processed components of the blood, the axial inlet/outlet being attached to the top support plate by... | 06/13/2006 |
| 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 |
| 6814355 | Mechanical split seal A split seal component includes two seal face segments in two holder halves and a method of assembly and installation. Each seal face segment has a primary sealing surface and a section extending axially from each primary sealing surface The holder halves are adapte... | 11/09/2004 |
| 6773017 | Single-piece seal assembly The invention is a single-piece seal assembly comprising an annular seal body. A retainer is positioned at a first end of the seal body. A rotable seal is concentric with the retainer and has a notch positioned on an inner diameter of a first face of said rotable se... | 08/10/2004 |
| 6761359 | Spacing element for centering components in a mechanical seal and for promoting circulation of a seal fluid therein A mechanical seal for mounting to a stationary housing that contains a rotating shaft is provided. The mechanical seal employs an inboard mounted spacer element to provide axial and radial spacing between a holder and a gland. In addition to providing selected axial... | 07/13/2004 |
| 6561515 | Mechanical split seal A split seal component includes two seal face segments in two holder halves and a method of assembly and installation. Each seal face segment has a primary sealing surface and a section extending axially from each primary sealing surface. The holder halve... | 05/13/2003 |
| 6485024 | Split mechanical face seal A split mechanical face seal having a rotating seal assembly comprising a rigid seal ring of split ring segments and a pair of attachable body ring segments holding the rotating seal ring segments together when the body ring segments are attached, a stati... | 11/26/2002 |
| 6457720 | Apparatus for applying a split mechanical seal to a rotatable shaft A shaft extending from a housing is rotatably sealed with the housing using a split seal assembly. During installation of the assembly, an alignment pin on one half of the assembly engages an oblong recess with planar sides in the other half of the assemb... | 10/01/2002 |
| 6439577 | Rotating seals for cell processing systems The invention provides an improved rotating seal apparatus including a plurality of concentrically spaced annular rotating seals. The invention also provides a rotating seal apparatus including a pressurized annular chamber surrounding an annular rotating... | 08/27/2002 |
| 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 |
| 6273428 | Annular seal assembly, in particular for the drive shaft of a vehicle A seal assembly which includes first and second annular screens, mounted facing each other coaxially; the first screen carries a seal member made of an elastomeric material which includes a main annular sealing lip, which extends axially from a root porti... | 08/14/2001 |
| 6186507 | Retrofittable severe duty seal for a shaft A unitary sleeve lip seal can be used to provide permanently lubricated sealed bearings in severe service conditions such as the track pins of track-driven vehicles and agricultural equipment. The seal has a labyrinthine exclusion path and multiple dust l... | 02/13/2001 |
| 6007069 | Mechanical face seal A mechanical end face seal for sealing between a housing and a relatively rotating shaft which seal includes a pair of relatively rotating annular rings having seal faces in sealing contact with each other to define a seal interface, with one of the rings... | 12/28/1999 |
| 5947479 | Mechanical seal with flexible metal diaphragm A mechanical end face seal for sealing between a housing and a relatively rotating shaft which includes a pair of relatively rotating annular rings having seal faces in sealing contact with each other to define a seal interface. A generally annular flexib... | 09/07/1999 |
| 5893564 | Mechanical face seal assembly A mechanical face seal assembly has a cylindrical retainer fixedly mounted between a rotating shaft and a stationary housing. The rotating shaft defines a longitudinal axis and a rotating sealing ring rotates with the shaft. The rotating sealing ring is a... | 04/13/1999 |
| 5865441 | Emission seal The shaft seal assembly of cartridge designed for sealing shafts entering or exiting enclosed vessels. The enclosed vessels may have a pressure different from the atmospheric pressure and the seal will normally prevent leakage from or into the vessel. The... | 02/02/1999 |
| 5863047 | Mechanical seal assembly A mechanical seal assembly having multiple compression spring assemblies that are used to bias a stationary seal into sealing engagement with a rotating seal, the springs in the spring assemblies being supported on their internal diameter and having their... | 01/26/1999 |
| 5725220 | Securing and centering devices for a split mechanical seal A centering mechanism for a split mechanical seal that circumferentially and uniformly separates a gland assembly having a pair of gland segments from a holder assembly having a pair of holder segments, thereby centering the seal relative to a rotary shaf... | 03/10/1998 |
| 5716054 | Diametric plane split mechanical face seal A shaft seal of the mechanical face seal type split along a diametric plane thereof and which therefore can be installed relative to a shaft without disassembly of attendant equipment. The stationary and rotating components of the seal each may have the h... | 02/10/1998 |
| 5687972 | Unitary oil seal assembly A unitary oil seal assembly intended for installation between relatively rotating inner and outer concentric members, such as, a shaft and housing of a motor vehicle is made up of a combination of a radial seal engageable with the shaft and a facial axial... | 11/18/1997 |
| 5676382 | Mechanical face seal assembly including a gasket An improved seal assembly utilizing a cup gasket having a flange portion secured or sandwiched between side surface of a mating ring and an inner surface of a radially extending side portion of an inner sleeve such that a static seal occurs in an axial di... | 10/14/1997 |
| 5662340 | Fully split cartridge mechanical seal assembly The fully split cartridge mechanical seal assembly is comprised of two unitized self contained assemblies which fit together to form a unitized cartridge design. The assembly uses set screws to position the seal assembly to the rotating shaft or sleeve an... | 09/02/1997 |
| 5505465 | Mechanical seal stud torquing system An improved cartridge mounted mechanical seal for providing a seal between a housing and a rotatable shaft is provided, including at least one radial stud which extends from the inside of the rotary sleeve of the seal through the rotary sleeve and into th... | 04/09/1996 |
| 5421592 | Unitized radial and facial seal A unitized radial and facial seal assembly intended for use between radially inner and outer relatively rotationally and axially movable members includes a counterface for securement to the radially inner member and a bearing fixed to the counterface for ... | 06/06/1995 |
| 5409240 | Seal with self-lubricating contact surface A seal between a housing and a rotatable shaft is provided, comprising a first ring member generally concentric with a rotatable shaft, the first ring member being attachable to the shaft in a non-rotatable position relative to the shaft, the first ring m... | 04/25/1995 |
| 5199719 | Sealing arrangement A sealing arrangement is provided and includes a slide ring seal, and a counter ring that is accommodated in a holder that is provided with a presser sleeve via which, in an installed state, the sealing arrangement is seated with a press fit on a componen... | 04/06/1993 |
| 5123660 | Extended life mechanical face seal assembly A rotary mechanical face seal utilizes a pair of cup-shaped inserts to closely support the contoured diaphragm of an elastomeric boot whereby the diaphragm does not actively undergo deflection to assist in sealing moving interfaces, even under fluctuation... | 06/23/1992 |
| 5094466 | Water pump seal with improved seal force distribution A vehicle water pump seal has a specially designed gasket interposed between the retainer flange that the spring bears on and the sealing ring that transmits the spring force evenly in spite of bowing in the retainer flange.... | 03/10/1992 |
| 5087172 | Compressor cartridge seal method A high pressure compressor seal having an inner part and an outer part rotatable with respect to each other. The inner seal part includes a polygonal-shaped bore mounted on a polygonal-shaped compressor shaft. The outer seal part has plural O-rings therea... | 02/11/1992 |
| 4961260 | Compressor cartridge seal and insertion method A high pressure compressor seal assembled onto a compressor shaft, together with compressor bundle elements. A stationary bundle vane is engaged with slots within the seal to prevent rotation of an outer portion of the seal during operation of the compres... | 10/09/1990 |
| 4759553 | Dynamic rotary face seal A seal element is positioned within an outer casing and has an anchoring portion which is sealingly secured to the periphery of a rotating shaft by a surrounding coil spring. A radial portion on the seal element extends radially outward from the anchoring... | 07/26/1988 |
