Bizarre Patents
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 |
| 4475618 | Toy car A power driven toy car includes a system for coupling power from a power source to the driving wheels of the toy car, which system automatically decouples the power source from the driving wheels when the power source is deactivated to permit free rotatio... | 10/09/1984 |
| 4452095 | Overload protection for metal forming machine A metal forming machine for forming articles from metal workpieces has a plurality of driven members for performing work on the metal workpieces. A drive shaft is connected with the driven members for transferring force to the driven members. A frangible ... | 06/05/1984 |
| 4451217 | Rotary fluid pressure device A rotary fluid pressure device is described as comprising a housing having fluid inlet and outlet openings and in the housing is a gerotor device having an external stator having internal teeth and a rotor within the stator having external teeth, one less... | 05/29/1984 |
| 4430575 | Turbine turning gear with hydraulic overspeed drive A turning gear arrangement for a turbomachine such as a large steam driven turbine-generator is disclosed. The turning gear arrangement includes a prime mover system which generates high starting torque for rolling the rotor of the turbine-generator over ... | 02/07/1984 |
| 4428249 | Gear torque sensor apparatus In a processor of photosensitive material, a torque sensor actuates an alarm when a helical gear is subjected to torque in excess of a first predetermined value. The torque sensor includes a helical gear positioned on a shaft and biased against a stop. Th... | 01/31/1984 |
| 4354850 | Gear clutch A gear clutch comprises an annular clutch casing with a plurality of internal teeth and a clutch hub having a plurality of external teeth meshed with the internal teeth. The clutch is coaxial with the clutch casing and the external teeth have a load beari... | 10/19/1982 |
| 4334439 | Power transmission device for plural power-driven hand-held tools A power transmission device for enabling each of a plurality of separate tools having a respective operating gear and an associated power-transmitting wire connected thereto, to be selectively coupled to a main drive gear. The device includes a housing in... | 06/15/1982 |
| 4319495 | Coupling and uncoupling apparatus The apparatus for the in phase coupling and uncoupling of a kinematic mechanism with respect to another such mechanism to which a stepwise rotary movement is imparted, comprises a driving toothed gear to which the stepwise rotary movement is imparted; a d... | 03/16/1982 |
| 4287782 | Electric regulating device An electric regulating device, particularly for a speed control device for motor vehicles, with a servomotor and a rotatably mounted element which actuates the regulating member, the rotatable element particularly being a cable pulley which stands in oper... | 09/08/1981 |
| 4275496 | Semiautomatic rotary razor A semiautomatic rotary razor which comprises a rectangular box-shaped framework, an annular cap detachably secured to one surface of the framework and having a reticulate outer blade, a rotary shaft extending across the framework with one end protruding o... | 06/30/1981 |
| 4257285 | Roller door operating mechanism A roller shutter or door drum driving mechanism of the kind comprising a pivotally mounted electric motor, a gear train fixedly associated with said motor terminating in a pinion, a ring gear on the drum and manually operable, is furnished with releasable... | 03/24/1981 |
| 4256166 | Tie bar adjustment system A system for individually adjusting tie bars of a die casting machine during operation includes a threaded sleeve securing one end of each of the threadless tie bars to a backing plate with an adjustment nut positioned between the backing plate and thread... | 03/17/1981 |
| 4250766 | Shaft puller A power drive assembly (10) wherein a driven member (14), such as an input clutch gear of a final drive (11), is removably connected to a driving member (12) by a shaft (17), such as a quill shaft, having splined connection (19,20) to the driving member (... | 02/17/1981 |
| 4194414 | Planetary speed reducer A multistage speed reducer for high speed rotation including a planetary roller friction reducer for the first stage reducer and a geared reducer for the second stage reducer, the planetary roller friction reducer having its output shaft also used as the ... | 03/25/1980 |
| 4192198 | Two gear train reduction mechanism This invention relates to a reduction mechanism including two gear trains, of different speed reductions, for rotating one cam, both gear trains having different input gears but a same output gear, said input gears being rotatable by a step-up gear mounte... | 03/11/1980 |
| 4187734 | Electric regulating device An electric regulating device, particularly for a speed control device for motor vehicles, with a servomotor and a rotatably mounted element which actuates the regulating member, the rotatable element particularly being a cable pulley which stands in oper... | 02/12/1980 |
| 4186626 | Wheel final drive assembly A wheel final drive assembly for vehicles, wherein the assembly includes a two stage or double reduction planetary gearing mechanism positioned within wheel hubs and connected to the vehicle drive wheels, a drive axle shaft for interconnecting a vehicle p... | 02/05/1980 |
| 4154144 | Milling machine power feed Power feed apparatus adapted for driving the feed screw of a milling machine including a gear mounted on the end of the feed screw, a second gear driven by a reversible electric motor, an idler gear rotatably mounted on a lever for movement into and out o... | 05/15/1979 |
| 4133267 | Travel drive for a drawing engine of a one-rail track suspension railroad in mines A travel drive for a pulling engine of a single rail suspended railroad used in mines includes a pair of friction wheels and a pair of toothed wheels each of which is mounted on a common shaft with the respective friction wheels for joint rotation therewi... | 01/09/1979 |
| 4131776 | Motorized drive assembly for a circuit breaker operator A motorized drive assembly for a circuit breaker operator comprising a follower mounted on a free wheeling double helix shaft which extends in the direction of movement of the operator between "TRIP," "RESET" and "ON" positions, the shaft being driven by ... | 12/26/1978 |
| 4098138 | Drive disconnect device A power train is contained within a housing and has first and second rotary members. The first member is movable between a first position at which the first and second members are engaged to transmit power therebetween and a second position at which the f... | 07/04/1978 |
| 4072063 | Engine cranking adapter An engine cranking adapter having a plurality of different pinions for selective use with any one of a plurality of different engine cranking ring gears. The adapter is mounted to a wall portion of the engine structure adjacent the periphery of the ring g... | 02/07/1978 |
| 4062082 | Undercounter pots and pans washer A kitchen tool for being installed in a kitchen sink, counter, cabinet, the tool serving to scrub pots and pans while being washed, the tool being powered by an electric motor so to eliminate manual labor, and the tool including a chuck for selectively be... | 12/13/1977 |
| 4049099 | Motorcycle safety hub A safety hub mechanism which automatically disconnects a driven wheel from a drive train in the event of a mechanical failure of the drive train, thus allowing a continued rotation of the driven wheel.... | 09/20/1977 |
| 4041792 | Drive disconnect device A power train includes a rotary driving member normally engaged with a rotary driven shaft through a spline connection to transmit power therebetween. A cage threadably extends through a threaded bore in the housing and is rotatably attached to the driven... | 08/16/1977 |
| 4034619 | Motion reversal device for mechanisms for compact cassettes, moving spool arrangements and the like A motion reversal device for mechanisms for compact cassettes, moving spool arrangements and the like, comprising a frame; two alternatively tape drive and winding hub members rotatably supported on the frame. A first gear is supported on the frame and is... | 07/12/1977 |
| 4014221 | Transfer box for four-wheel drive vehicles Transfer gearing for converting a vehicle with a single power-driven axle to four-wheel-drive is housed partially within the vehicle's gearbox. The transfer gearing comprises a train of gears on vertically spaced shafts, the lowermost shaft having a coupl... | 03/29/1977 |
| 4008953 | Projector control mechanism A control mechanism for controlling the reciprocating movement of a pusher for a picture-holder in a transparency projector of the type in which a rotating shaft serves to reciprocate the pusher during the course of a 360° rotation of the shaft. A contin... | 02/22/1977 |
| 4003270 | Coupling mechanism with means for disengagement and for automatic engagement of the spool in spinning reels This invention relates to a coupling mechanism with means for disengagement and automatic reengagement of the spool in a spinning reel. The coupling mechanism comprises mating coupling members, one of which forms a driven coupling member supported by the ... | 01/18/1977 |
| 3999241 | Vehicle rear windshield wiper device A wiper blade is pivotally coupled to a rotatably mounted main gear via a wiper arm and abuts the rear window of a vehicle. First and second gear rods are provided in spaced parallel coplanar flanking relation with the main gear. First and second worm gea... | 12/28/1976 |
| 3972597 | Electrically adjustable vehicle rear view mirror An assembly, specifically a mirror assembly for a motor vehicle, in part angularly adjustable by an electric motor and drive mechanism. A fixed motor drives a worm that is angularly movable through a flexible coupling into selective engagement with one of... | 08/03/1976 |
| 3960230 | Motor disconnect means A disconnect system for selectively disconnecting a final drive motor means from its associated traction means in an earthmoving vehicle. The system includes a floating splined shaft disposed along the center line of the final drive casing. The casing inc... | 06/01/1976 |
| 3960028 | Rotor alignment apparatus for a processing and power generating machine An alignment device for machines which, after the shut-down of the machine, keeps the rotor in rotation until it has cooled down in order to avoid damage to the machine. The device comprises a gear element which at a certain number of revolutions of the r... | 06/01/1976 |
| 3949823 | Lock-out device for final drive of a track-type vehicle A final drive for track-type vehicles includes a power train comprising a pair of drive shafts normally coupled together to transmit power therebetween. A lock-out device is provided to lock one of the drive shafts to a housing of the final drive when suc... | 04/13/1976 |
| 3946610 | Temperature measuring device for metallurgical furnaces A system for measuring the temperature of the walls of a metallurgical furnace employs a temperature measuring rod mounted for reciprocal movement in an aperture in the furnace wall from an extended position projecting into the interior of the furnace to ... | 03/30/1976 |
| 3943786 | Photographic film processing apparatus having disengagement means A film advancing-fluid spreading apparatus for progressively distributing a released mass of a processing composition across an exposed photosensitive layer of a film unit carrying a pod wherein the processing composition is contained. A pair of pressure-... | 03/16/1976 |
| 3937096 | Motor system with replaceable output shaft A motor system having interchangeable modular components including a prime mover, a speed reduction unit, an output shaft and detachable electrical leads is disclosed. Various combinations of components easily may be mounted together to meet specific powe... | 02/10/1976 |
| 3934852 | Trailer tongue jack A jack for supporting and adjusting the elevation of a trailer tongue comprises a ground support post, having either a caster wheel or foot plate at its lower end, extending downwardly through a jack mechanism housing which is bolted to the trailer tongue... | 01/27/1976 |
