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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 |
| 8221000 | Bearing for rolling mill roll A bearing for a rolling mill roll that has a roll neck, the bearing including a neck sleeve fitted onto the roll neck, a chock, a bearing bush supported in the chock, and a load-bearing lubricating film provided between the neck sleeve and the bearing bush. The roll... | 07/17/2012 |
| 7416201 | Steerable single wheel unit for trailers A single wheel unit adapted to be mounted on a vehicle body (11) comprising: a wheel frame supporting a suspension mechanism (15) and a wheel assembly mounted on the suspension mechanism (15), and steering means mounted between the wheel frame a... | 08/26/2008 |
| 7338379 | High speed coupling shear spacer An inner tubular wall is concentrically located inside an outer tubular wall to form an annular space therebetween. A bearing is retained within the annular space. The bearing can include a pair of precision angular contact bearings, the bearing may also include an ... | 03/04/2008 |
| 7314100 | System for use in a bore hole for axially coupling a tubular end and a mandrel System for coupling two tubular ends for use in a well bore, the system comprising a first tubular end, a second tubular end for inserting into the first tubular end in axial alignment thereof, thereby forming an annular space between the first tubular end and the s... | 01/01/2008 |
| 7300209 | Aerodynamic bearing assembly for spindle motor for hard disk drives Disclosed is an aerodynamic bearing assembly for a spindle motor for hard disk drives, in which a hub of the spindle motor is pivoted in both radial and thrust directions by the ball bearing, which directly contacts the center of the hub, to perform rotation accordi... | 11/27/2007 |
| 7204517 | Motor vehicle steering column arrangement A bulkhead collar for using in conjunction with a bearing housing of a motor vehicle steering column including an upper column shaft and a lower column shaft where the lower column shaft passes through an opening in a bulkhead in the vehicle. The bearing housing is ... | 04/17/2007 |
| 7182521 | Axial bearing unit An axial roller bearing includes two bearing disks placed in plane-parallel relationship to one another. Each bearing disk has a radial section to form a raceway and an axial collar connected to the radial section, wherein the collar of one bearing disk and the coll... | 02/27/2007 |
| 7178984 | Bearing arrangement for supporting a trunnion of an universal joint A bearing arrangement for supporting a universal joint trunnion in an outer cup includes a radial bearing having cylindrical rolling elements disposed between the trunnion and the outer cup, and a resistance member made of a material to allow elastic deformation and... | 02/20/2007 |
| 7135797 | Fluid dynamic bearing with wear resilient surface A system and means is provided for preserving bearing surfaces and maintaining bearing life, for use with spindle motors. In an aspect, adhesive and abrasive wear is minimized, corrosion is reduced, and bearing dynamic performance and fluid purity is maintained. In ... | 11/14/2006 |
| 7066655 | Thrust bearing An integral type thrust bearing is proposed which can be manufactured with fewer heat treatment steps. The retainer and the inner and outer rollers not hardened are assembled together with rollers into a bearing and thereafter the assembled bearing is carburized, ha... | 06/27/2006 |
| 7032488 | Device for supporting a material web A support for a material web for use with a longitudinal cutting device for cutting the material web, includes a support shaft having an axis of rotation. At least one bearing mechanism positions the at least one support shaft, wherein the at least one bearing mecha... | 04/25/2006 |
| 6828708 | Motor device including a thrust bearing having a thrust plate A motor device suppressed in tilt of the rotor shaft and improved in resistance to rotational vibration without enlarging the thickness direction. A stator plate 1 supports a radial bearing 3 and thrust bearing 5 through an auxiliary support pla... | 12/07/2004 |
| 6827497 | Free-wheel hub assembly A free-wheel hub assembly includes an axle extending through a hub and having an annular axle flange projecting radially and outwardly therefrom into a right recess defined by a right end of the hub. A self-lubricating bearing is slidably sleeved on the axle flange.... | 12/07/2004 |
| 6712515 | Redundant ball bearing A bearing is presented having a multiplicity of rotating sleeves. A bushing is connected to one of the multiplicity of rotating sleeves. At least one bearing set is connected to the multiplicity of rotating sleeves. Also, a bearing is presented having a multiplicity... | 03/30/2004 |
| 6679501 | Motor with stationary shaft and high speed capillary seal A motor or bearing which incorporates the use of a capillary seal adjacent a bearing race between the shaft and surrounding hub or housing. The seal may take a plurality of forms, including a straight capillary seal; a seal formed between the housing and ... | 01/20/2004 |
| 6632022 | Coupling structure for bearing and bushing A coupling structure for bearing and bushing. The structure includes a ball bearing, a washer and an oil-retained bearing housed sequentially in a housing chamber of a bushing. The housing chamber has one end formed a lip opening for anchoring the bearing... | 10/14/2003 |
| 6506038 | Wear-preventing and positioning device for a screw compressor A screw compressor includes a suction end, a discharge end, first and second rotors mounted for rotation between the suction end and the discharge end, and a discharge housing at the discharge end. The discharge housing surrounds a portion of the first an... | 01/14/2003 |
| 6454063 | Tuned mass damper with tunable damping and anti friction rolling mass A container with an inside surface and a mass mounted for oscillation in the container with a pair of bellows in the container each having a bias spring therein and a removable end to expose the interior of the bellows to exchange the spring for easy tuni... | 09/24/2002 |
| 6312160 | Bearing construction for drive shaft A bearing construction for a drive shaft in which a spindle is disposed internally of an axle bearing of a wheel. An outer joint of the drive shaft is disposed internally of the spindle, and drive force from an engine is transmitted to the wheel through t... | 11/06/2001 |
| 6104114 | Brushless motor The brushless motor according to the present invention is small in overall height without deterioration of the rotational accuracy. One of a pair of bearings is interposed between the base plate and the rotor and located on the radially outside of the oth... | 08/15/2000 |
| 6099168 | Composite roller bearing for variable pipe diffuser A composite roller for use in a variable pipe diffuser having inner and outer rings. The composite roller bearing rotatably mountable to a shaft comprising a cylindrical metal body having an external surface, an internal bore, and a pair of thrust washers... | 08/08/2000 |
| 6030126 | Two axis track roller The Two Axis Track Roller is in the form of two sealed bearings mounted to a single stud which allows the device to carry loads in two dimensional axis. In this way the device can carry a load along a track as well as guide along a track wall. When used i... | 02/29/2000 |
| 6027251 | Bracing structure of rotary rod A rotary rod bracing structure is composed of a main body and a circular inner pad, which is received in a recess of the main body. The bottom of the recess has a round hole. The circular inner pad is provided with a circular groove and an axial hole. The... | 02/22/2000 |
| 5944426 | Fluid bearing apparatus A fluid bearing apparatus includes a thrust load supporting portion formed between an external side surface of a fixing shaft and an internal side wall of an opening in a bushing; the surface and wall facing each other. The thrust load supporting portion ... | 08/31/1999 |
| 5873438 | Tuned mass damper with tunable damping and anti friction rolling mass A container with an inside surface and a mass mounted for oscillation in the container with a pair of bellows in the container each having a bias spring therein and a removable end to expose the interior of the bellows to exchange the spring for easy tuni... | 02/23/1999 |
| 5647810 | Drive arm-engaging roller for centrifugal clutch A centrifugal actuator is provided for a centrifugal clutch having an axially fixed base and an axially movable pulley flange. The actuator includes a drive arm having a camming surface and a bottom that is pivotably attached to the movable pulley flange,... | 07/15/1997 |
| 5445456 | Bearing assembly A bearing assembly comprises a thrust bearing including balls, a fixed wheel having an inner wheel hub and a ball supporting end surface which supports the balls in a first direction of thrust and a rotary wheel having an outer wheel and a ball supporting... | 08/29/1995 |
| 5413413 | Bearing device A bearing device includes a rotating shaft; a first bearing including a bearing ring rotating with the rotating shaft and a plurality of rolling bodies which are contacted by the bearing ring; and second bearing in which the rotating shaft is rotatably mo... | 05/09/1995 |
| 5407282 | Single-trust bearing A single-thrust bearing is disclosed. The bearing includes a rolling-contact bearing having an inner ring and an outer ring, as well as a thrust ring concentrically surrounding the outer ring of the rolling-contact bearing with radial clearance. The outer... | 04/18/1995 |
| 5402953 | Shaft supporting structure for a fishing reel A shaft supporting structure for a fishing reel includes bearings for supporting flange-like journals of a spool shaft. Each of the bearings defines a supporting surface having a larger area than a peripheral contacting surface of each journal. Each journ... | 04/04/1995 |
| 5401104 | Rod guide assembly for rotary applications A rod guide assembly for rotary applications has a stationary housing and a rotating housing. The stationary housing has an exterior, an interior, a first end and a second end. A primary stationary annular bushing is positioned in the interior at the firs... | 03/28/1995 |
| 5397186 | Bearing structure for rotating shaft A bearing structure for a rotating shaft wherein a frame through which a motor is mounted on a device body is press-worked; a bearing section for supporting the rotating shaft of the motor is formed into a body that is separate from the frame; a mounting ... | 03/14/1995 |
| 5311770 | Frictionless bearing chassis dynamometer A frictionless bearing chassis dynamometer including a pair of laterally spaced-apart rolls adapted to be engaged and driven by a pair of wheels of a vehicle. A power exchange unit is disposed between the rolls and includes an input shaft fixedly coupled ... | 05/17/1994 |
| 5211033 | Plate mechanism of the pattern wheel knitting machine A plate mechanism of a pattern wheel knitting machine is provided with an improved lubricating system. The lubricating system has a groove formed on the contact surface between the plate and the gear of the machine for receiving balls therein. A flat line... | 05/18/1993 |
| 5207396 | Fishing reel A fishing reel is formed of a reel body, a spool, a support shaft for supporting the spool for rotating in unison therewith, a sleeve loosely fitted on the support shaft for free rotation, and a bearing. The bearing includes an inner race fitted on the sl... | 05/04/1993 |
| 5106342 | Hookes universal joints A thrust washer for a bearing assembly of a Hookes universal joint, comprng a central portion (10) and a peripheral portion (13), connected by at least one web which permits the two portions to be displaced axially of the bearing assembly relative to one... | 04/21/1992 |
| 5046863 | Dynamic pressure bearing device A dynamic pressure bearing device induced a housing having a sleeve and a thrust receiver and a shaft fit into the sleeve. Herringbone-shaped grooves for generating dynamic pressure comprising outer groove segments and inner group segments are disposed to... | 09/10/1991 |
| 4957191 | Guide device for hydraulic elevator Movement of the cab of an elevator is guided along hoistway guide rails by a guide assembly that shares loads imposed by the cab between guide shoes and guide rollers. There is one guide shoe/guide roller sub-assembly mounted above and below the cab for e... | 09/18/1990 |
| 4938610 | Rolling contact device A rolling contact device having a shaft adapted to be secured to an element of an apparatus, an outer ring adapted to be in rolling contact with another element of the apparatus, and rolling elements disposed between the shaft and the outer ring, includes... | 07/03/1990 |
| 4927274 | Slip ring air bearing A compound journal airbearing having a sleeve concentric with a rotor and having an inner surface forming an airbearing space with the surface of the rotor so as to maintain the rotor surface and inner sleeve surface out of contact. The sleeve is supporte... | 05/22/1990 |
