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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 |
| 7252283 | Paper-pickup clutch of automatic paper-feeding device A paper-pickup clutch of an automatic paper-feeding device includes a clamping member and a clamping-force adjusting member and can be applied to image processors such as printers, copiers or scanners. The automatic paper-feeding device includes a shaft and a paper-... | 08/07/2007 |
| 7018296 | Gear drive with integrated torque limiting coupling A gear drive has a drive housing (1, 2) with a driveshaft (3) exiting the drive housing (1, 2) through a bore (10). The driveshaft 13 is rotatably supported in the drive housing (1, 2) around an axis of rotation X—X. A con... | 03/28/2006 |
| 6782771 | Joint and a steering assist system using the same A steering assist system which transmits the rotation of an electric motor to a steering shaft via a worm shaft and a worm wheel meshed with a worm of the worm shaft, where an output shaft of the electric motor and the worm shaft are interconnected via a joint. The ... | 08/31/2004 |
| 5178251 | Miniature vehicle drive train protection assembly A drive train protection device for a miniature racing vehicle is provided. The device is disposed along the drive train between the vehicle motor and the transmission. The vehicle motor rotates an engagement wheel about an axis of rotation. The engagemen... | 01/12/1993 |
| 5092440 | Slipping clutch A slipping clutch having opposed driving and driven members, and a friction plate disposed therebetween such that a slipping torque may be obtained between the driving and driven members. The friction plate is made of fiber of high strength, and the membe... | 03/03/1992 |
| 5068673 | Clutch device for electrically extensible antennas A clutch for telescopic antenna including a disk shape clutch element and a shallow, cylindrical clutch element facing each other. The cylindrical clutch element is provide with a recess on its inner wall, and the disk shape clutch element is provided wit... | 11/26/1991 |
| 4888539 | Clutch/damper A clutch/damper for isolating and absorbing vibration induced reactive torques from adversely affecting a motor drive system. A friction plate variably engages a gear coupled to the drive motor and to a load mass to permit normal drive in the absence of e... | 12/19/1989 |
| 4660428 | Drive train system A drive train system for rotating an axle in an external system about an axis which is perpendicular to a driven shaft. The driven shaft has a drive screw thereon and is rotatable about a fixed axis. A drive nut is located on the drive screw and is movabl... | 04/28/1987 |
| 4561855 | Friction clutch A friction clutch including a clutch disc member retained in a clutch outer member securely mounted on one of two opposing shafts and pressed against a rotationally blocked friction disc on the other shaft to transmit torque thereto. The clutch outer memb... | 12/31/1985 |
| 4516443 | Restriction device for differential gear A restriction device for a differential gear having multiplate clutches which are formed by first friction plates fixed to a pair of side gears installed inside of a differential casing and second friction plates fixed to the differential casing. The firs... | 05/14/1985 |
| 4442928 | Actuator In an actuator system (10) having an air motor (12) for supplying a ball-screw actuator (14) with rotary input. The ball screw actuator (12) has a friction clutch mechanism (206) that limits the torque applied to the screw (176) when the ball nut (166) re... | 04/17/1984 |
| 4338798 | Adjustable torque limiting apparatus Apparatus for limiting the amount of torque to a driven shaft having a tool for applying power to a workpiece is continuously adjustable throughout a predetermined range. A housing defines a cylindrical chamber open at one end having an adjustable plate d... | 07/13/1982 |
| 4328937 | Fishing spinning reels with auxiliary drag mechanisms In a fishing spinning reel of the type wherein a rotor is rotated by a handle through a main drag mechanism and a drag shaft, a boss of the handle is connected through screw threads to a sleeve which supports the main drag mechanism, the drag shaft extend... | 05/11/1982 |
| 4325474 | Slip friction roller drive A slip friction drive for powered roller conveyor apparatus which minimizes coupling of forces between the driving engagement and the bearing surfaces and additionally provides an adjusting means for compensating for the varying frictional forces caused b... | 04/20/1982 |
| 4076109 | Dual friction clutch for motion-picture projectors The disclosure describes a dual friction clutch, of particular application to motion picture projectors for controlling the operation of spool carrying spindles, in which the drive to a spool can be selectively decoupled, coupled through a weak clutch and... | 02/28/1978 |
| 4023640 | Wheel and axle assembly Wheel and axle assembly for small vehicles such as riding lawnmowers including a frame and an engine and transmission mounted upon the frame, the assembly comprising an axle having opposite first and second ends mounted upon the frame for rotation and dri... | 05/17/1977 |
| 3934688 | Shifter mechanism An improved shifter mechanism for the transmission of a power tool in which the operating lever can be located to either side of the transmission housing. The operating rod has a flat which operates one end of a pivoted shift member, the other end of whic... | 01/27/1976 |
