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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 |
| 8075195 | Multi-row symmetrical rolling bearing The rolling bearing has a first bearing ring, a second bearing ring and a plurality of rolling bodies which are arranged between the first bearing ring and the second bearing ring. The rolling bodies are arranged in at least four rows. At least two rows have a first... | 12/13/2011 |
| 7934871 | Double row ball bearing The large diameter cage has an asymmetric shape, a diameter (discharge diameter) of which close to an opening is larger than a diameter (inflow diameter) close to the small diameter cage, and the small diameter cage has a symmetric shape, in which a diameter (inflow... | 05/03/2011 |
| 7927019 | Slewing bearing structure A slewing bearing includes: an outer ring section having first and second circumferential grooves formed on an inner circumferential surface in parallel; an inner ring section formed on an inner side of the outer ring section and having first and second circumferent... | 04/19/2011 |
| 7775722 | Double-row antifriction bearing A double-row roller bearing comprises a one-piece bearing ring, a bearing ring that is split in the axial direction, and rolling bodies that are arranged between the two bearing rings. The rolling body of the first row has a first diameter, and the rolling body of t... | 08/17/2010 |
| 7594759 | Oblique contact double row ball bearing and method of imparting preload in the ball bearing To provide a oblique contact double ball bearing and a pre-load adding method for the ball bearing capable of easily adding the pre-load by performing adjustment for adding the pre-load in a wide adjustment range. In this oblique contact double ball bearing, clearan... | 09/29/2009 |
| 7461979 | Retention of ball bearing cartridge for turbomachinery An exemplary housing for a turbocharger includes a substantially cylindrical bore having a longitudinal axis, an inner diameter, a proximate end and a distal end; a counterbore positioned at the distal end, substantially centered on the longitudinal axis and having ... | 12/09/2008 |
| 7435006 | Pulley bearing for engine auxiliares A bearing in which the thickness of the bottom of at least one of the inner ring and the outer ring is 50% or more of the diameter of the balls. Further, the bearing includes an outer ring having an outer diameter of 65 mm or less and balls having a diameter of 4 mm... | 10/14/2008 |
| 7350977 | Double-row ball bearing and bearing device for supporting pinion shaft A ball bearing with double raceway rotatably supports a pinion shaft having a pinion gear on its one end. This ball bearing with double raceway is provided with: an outer ring member having a large-diameter raceway surface and a small-diameter raceway surface; an in... | 04/01/2008 |
| 7305906 | Bearing arrangement for at least one gearwheel A bearing arrangement for at least one gearwheel, particularly for a reversing wheel of a reverse gear in a transmission housing of a manual transmission, having a gear that is rotatably supported on a gear axle. At least the one end of the gear axle is fixed or sup... | 12/11/2007 |
| 7244065 | Wheel support bearing assembly and angular ball bearing There is provided a wheel support bearing assembly (1) utilizing a dual row angular ball bearing. The bearing assembly (1) includes two ball retainers (5) for retaining corresponding rows of balls (4). One or both of the retainers (5 | 07/17/2007 |
| RE39695 | Swivel joint with stepped bearing races A swivel joint comprises a tubular male member having at least first and second outer annular grooves formed on an outer surface, a tubular female member having at least first and second inner annular grooves formed on an inner recess, and a plurality of balls dispo... | 06/19/2007 |
| 7182319 | Roller assembly for a lifting device for a personal-transportation vehicle A preferred embodiment of a roller assembly for a lifting device for a personal-transportation vehicle includes a shaft member for mounting on a lifting arm assembly of the lifting device and having an outer surface, and a roller member for supporting a lifting stra... | 02/27/2007 |
| 7121632 | Shaft and wheel hub retention assembly An assembly having a retaining element, an outer race of a constant velocity joint, and a shaft of an outboard drive axle that is axially joined to the outer race. The shaft has an external groove circumferentially formed on its external surface for receiving the re... | 10/17/2006 |
| 7104695 | Asymmetric hub assembly A hub bearing assembly comprising a hub having a radially outwardly directed flange at one axial end for mounting the wheel of a vehicle, an outer ring having axially spaced raceways and a plurality of rolling elements arranged in two rows in the annular space betwe... | 09/12/2006 |
| 7086783 | Laying head bearing with offset preloading A bearing assembly is disclosed for rotatably supporting a quill in the housing of a rolling mill laying head. The bearing assembly includes first and second axially spaced roller bearing sets interposed between the quill and the housing. The bearing assembly also i... | 08/08/2006 |
| 7059777 | Assembly for ball bearing with double raceway and method of manufacturing ball bearing with double raceway An assembly for a ball bearing with double raceway assembled in an outer ring member provided with double row raceway surfaces apart from each other in an axial direction from one side in an axial direction, on an inner peripheral surface includes an inner ring memb... | 06/13/2006 |
| 7056030 | Pivot bearing for a swing arm of a hard disk drive device A pivot bearing includes a stepped shaft having an enlarged diameter shaft portion and a reduced diameter shaft portion; a plurality of balls of a lower row are interposed between the enlarged diameter shaft portion and a sleeve outer ring surrounding the enlarged d... | 06/06/2006 |
| 7040995 | Hanging chair stand According to one embodiment of the invention, Hinging Chair Stand (100), a Hinging Chair Stand includes first and second support members (200 and 202) coupled to one another at the intermediate portion. (210) The support members each have... | 05/09/2006 |
| 7040813 | Rolling bearing apparatus for swing arm A pair of pre-loaded ball bearings 1, 2 are fixed to a shaft 3 having a flange 3a to be a reference surface Q formed on one end, and where a clearance C is secured between the surface 1c on the flange side of the inner race ... | 05/09/2006 |
| 7025391 | Non-permeable pipe connector structure A non-permeable pipe connector structure, the design of which effectively prevents external material (such as vapor and miscellaneous substances, etc.) intrusion. To obstruct the intrusion of external matter into the pipe connector, a ball bearing holder is disposed... | 04/11/2006 |
| 7026637 | Method and system for measuring runout of a rotating tool A method, system, and computer program product for measuring runout of a rotating tool are provided. A rotating tool is illuminated with a coherent electromagnetic radiation. The tool has an axis and a reflective surface, and completes a rotation in one period. The ... | 04/11/2006 |
| 6971801 | Bearing unit A bearing unit includes: a housing; a shaft passing through the housing and rotatably supported on the housing; and a pair of rolling bearings disposed between the housing and the shaft and fitted to two positions on the shaft, which are axially spaced apart from ea... | 12/06/2005 |
| 6957919 | Double-row angular contact ball bearing In a double-row angular contact ball bearing comprising an outer ring (1), an inner ring (2) and two ball crown rings (3, 4) formed by bearing balls (3.1, 4.1) guided in two separate cages (3.2, 4.2) and supported on shoulders (... | 10/25/2005 |
| 6916030 | Lightweight knuckle with in-cast spindle An independent vehicle suspension includes a knuckle assembly supported by control arms or links. The knuckle assembly includes a forged, elongated steel spindle, one end of which includes a pair of axially-spaced radial flanges separated by a radially-enlarged shan... | 07/12/2005 |
| 6769809 | Asymmetric double row angular contact ball bearing, and cantilever mounting of gears on such a bearing The bearing is an angular contact ball bearing with two asymmetric rows of balls, with a one-piece outer race and an inner race having two matched inner half-races side by side and able to be axially preloaded against each other when the bearing is mounted on the sh... | 08/03/2004 |
| 6749341 | Ball bearing A ball bearing construction including a plurality of balls supported in a cage and each ball within a row is off-set relative to each other. In certain applications the rolling surface of the balls bear against the rotating shaft and the case enclosing the bearing. ... | 06/15/2004 |
| 6742933 | Bearing and method of assembling the bearing A bearing for use in a water pump or similar apparatus and a method of assembling the bearing. The bearing has a stepped shaft and a counterbored raceway at the fan or pulley end which allows for use of a larger number of balls in the raceway at the fan or pulley en... | 06/01/2004 |
| 6661143 | Bearing unit with magnetic bearing protection upon rotation stoppage Of a pair of rolling bearings provided for protection of magnetic bearings which support a rotatable shaft in a non-contact condition, such that the rolling bearings for protection are arranged together with the magnetic bearings, and used for supporting ... | 12/09/2003 |
| 6655847 | Pivot bearing assembly A pivot bearing assembly comprises a shaft having a main body portion and a reduced portion integrally and coaxially formed therewith, an outer ring-sleeve member coaxially surrounding the shaft, a first bearing arranged between the reduced portion of the... | 12/02/2003 |
| 6599021 | Compound bearing apparatus A compound bearing apparatus including a shaft, a cylindrical outer ring member surrounding the shaft, and a plurality of balls of the first and the second rows interposed between the shaft and the outer ring member is provided. The bearing apparatus of t... | 07/29/2003 |
| 6595555 | Coiled tubing swivel with stepped bearing races The invention is directed to a coiled tubing swivel for rotatably connecting a first conduit to a second conduit. The swivel comprises a swivel body having a cylindrical receptacle and a flowpath that communicates between the receptacle and the first cond... | 07/22/2003 |
| 6394657 | Preloading method for preload-adjustable rolling bearing and manufacture of the same An assembly method of a preload-adjustable rolling bearing unit comprising the steps of providing a shaft having a first inner raceway, an inner ring being press fitted onto the shaft and having a second innor raceway, such that a pitch of both raceways i... | 05/28/2002 |
| 6386765 | Bottom bracket having a hollow shaft with larger diameter A bottom bracket for bicycles includes a tube with a hollow shaft received therein and two first grooves are defined in an outer periphery of the hollow shaft. Two collars each have a second groove are mounted to the hollow shaft and balls are engaged wit... | 05/14/2002 |
| 6379129 | Blower A blower includes a durable and quiet bearing structure which eliminates or reduces rotational run out, and a bearing wherein the number of essential components and cost for manufacturing is reduced, and the diameter of the shaft can be increased. The blo... | 04/30/2002 |
| 6371654 | Actuator bearing cartridge for disc storage system A pivot bearing cartridge for an actuator in a disc storage system includes a shaft, a first outer sleeve and a second outer sleeve. The first and second outer sleeves are coupled together. Raceways are formed in the sleeves and the shaft. The raceways ca... | 04/16/2002 |
| 6269711 | Transmission device using flexible gear In a flexible type transmission device, an angular ball bearing is interposed between an output member and a fixed case so as to support the output member and the fixed case while permitting relative rotation between the output member and the fixed case. ... | 08/07/2001 |
| 6250431 | Method of retaining a minimum running clearance between a rotor and friction pads A method to retain a minimum running clearance between the friction pads associated with a caliper of a brake and a rotor attached to a wheel of a vehicle. A bearing member associated with the wheel includes a plurality of rollers which axially move about... | 06/26/2001 |
| 6227714 | Compound bearing assembly for swing arm of hard disc drive A compound bearing assembly for a swing arm is disclosed, which comprises a stepped shaft 1 having a large-diameter portion 1a and a small-diameter portion 1b, the large-diameter portion 1a having an inner raceway groove 2a directly formed in the inner pe... | 05/08/2001 |
| 6202306 | Method for manufacturing pre-loaded double-row rolling bearing unit The preload of the double row rolling bearing unit after completion is kept at a proper value regardless of the elastic deformation of the shaft caused when pushing the inner race in the axial direction wherein the balls are first installed in the bearing... | 03/20/2001 |
| 6168316 | Bearing assembly for use with water pumps A rotary bearing assembly (10) for a motor vehicle water pump employs a spindle (11) with a central region (14) surrounded by an outer bearing ring (15). The ring (15) and spindle central region (14) have axially spaced complementary raceways (16, 17) on ... | 01/02/2001 |
