Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7631734 | Brake using elastomeric means A brake mechanism suitable for any type of vehicle that uses no friction whatsoever to stop the rotation of a wheel. Instead it relies on the asymmetrical deformation of an elastomer to absorb the kinetic energy of the wheel and to create a force that the wheel must... | 12/15/2009 |
| 7441634 | Friction drive device A friction drive device includes a first roller with a support part, a second roller, and a cam member to support them. The second roller receives press force from the first roller at a contact point of them so as to transmit mechanical power therebetween. The cam m... | 10/28/2008 |
| 7261196 | Drive assembly with lightweight backstopping clutch The present invention relates to a drive assembly including an adapter that enables the use of a lightweight backstopping clutch with a driven shaft. The adapter is coupled to the driven shaft for rotation therewith and forms a stub shaft smaller than the driven sha... | 08/28/2007 |
| 7240398 | Opening and closing damping apparatus An annular groove part with a predetermined depth is formed in a rotation body, and a wall surface of the annular groove part is sealed by a second protrusion elongated annular part formed in an inner circumference of a rotor attached to the annular groove part, and... | 07/10/2007 |
| 7147091 | One way clutch A one-way clutch includes an outer race, wherein a plurality of windows are formed in one plate-like member, is placed so as to be relatively rotatable with respect to an inner race wherein two plate-like members overlay each other and a ball raceway surface is form... | 12/12/2006 |
| 7083538 | Power transmission with electromechanical actuator An automotive transmission is equipped with a variety of gears that may be combined to yield one or more output speeds as compared to an input speed. One or more electromechanical actuators is used to engage or disengage a particular desired mix of gears. The electr... | 08/01/2006 |
| 7080721 | Oneway clutch and mounting structure thereof A oneway clutch supporting structure comprises a oneway clutch which comprises a stationary race element and a rotational race element to be fitted in a rotational member, the race elements respectively having peripheral surfaces separated from each other in the rad... | 07/25/2006 |
| 7066304 | Disc brake A disc brake for a heavy road vehicle has a caliper arranged at a brake disc mounted on a wheel axle of the vehicle. An electric motor and two thrust rods operationally connected thereto are provided in the caliper. The thrust rods transform a rotational ingoing mov... | 06/27/2006 |
| 6997297 | Coupling assembly A roller thrust bearing assembly is effective to transmit force along a path extending between two members. The roller thrust bearing assembly includes a circular disc with an annular array of spaced apart slots. Each of the slots has a longitudinal central axis whi... | 02/14/2006 |
| 6994195 | Clutch release mechanism A clutch mechanism connects a rotating shaft to an outer clutch member having a clutch keyway. The clutch mechanism permits the shaft to rotate in a normal direction and prevents the shaft from rotating in a reverse direction when the outer clutch member is rotation... | 02/07/2006 |
| 6920969 | One-way clutch A one-way clutch includes an inner race, an outer race driven in a specific direction and provided with a plurality of pockets in its inner circumference facing the outer circumference of the inner race and threaded attachment holes to be used for attaching a driven... | 07/26/2005 |
| 6913252 | Damper device A damper device includes a shaft 2 inserted relatively rotatably into an axial hole 1a provided in a bearing portion 1. A high flexible resin portion 3 is provided between an outer circumferential surface of the shaft 2 and ... | 07/05/2005 |
| 6907964 | Ratchet-like assembly for winding a counterbalancing mechanism of a door, door assembly including the same and kit for assembling the ratchet-like assembly A ratchet-like assembly for winding a counterbalancing mechanism of a door. The ratchet-like assembly includes at least one plate, at least one ridge, an actuator, and at least one pawling element. Each plate is operatively mounted onto a fixed structure and include... | 06/21/2005 |
| 6871730 | Rotation-retarding device with direct engagement The rotation-retarding device includes a first element and a second element having a rotary motion to be retarded relative to each other. The first element includes a block of flexible material (106), the second element (107) is able to locally deform ... | 03/29/2005 |
| 6814158 | Hand-guided drilling or percussion drilling machine In a hand-guided percussion drilling machine an arresting coupling non-rotatably coupling a drilling spindle relative to a machine housing is arranged on an intermediate shaft rotatably connected with the drilling spindle and extending parallel to and at a radial di... | 11/09/2004 |
| 6796414 | High capacity one-way clutch assembly A clutch assembly for selectively engaging and disengaging two rotating members in a transmission. The clutch assembly includes an inner ring defining an outer diameter and an outer ring defining an inner diameter that is greater than the outer diameter of the inner... | 09/28/2004 |
| 6752249 | Actuating unit for an electromechanically actuated disc brake An actuating unit for an electromechanically actuated disc brake for automotive vehicles which is composed of a drive unit or an electric motor, an actuating element forming one of two friction linings into engagement with a brake disc, and a reducing gear. A freewh... | 06/22/2004 |
| 6543592 | One-way clutch A full type one-way clutch includes rollers arranged in a full type state between an outer ring having inclined cam surfaces on the inner peripheral surface thereof and a rotary shaft. A spring biases the rollers in such a direction as to engage the cam s... | 04/08/2003 |
| 6536571 | Split locking sprag A split locking sprag is used as a locking element between an inner race portion and an outer race portion which are moved or driven relative to each other, and has a release linkage that allows the sprag halves to be moved relative to each other to chang... | 03/25/2003 |
| 6454069 | Oneway clutch bearing An oneway clutch bearing used for preventing a reverse rotation of a spinning reel during fishing is disclosed. The clutch bearing comprises a housing made of plastic resin, and including an outer wall, an inner wall, and a bottom portion engaging the out... | 09/24/2002 |
| 6450313 | Locking means for components mounted on support shafts The present invention relates to locking and locating cylindrical components or roller sleeve assemblies on a support shaft. The locking feature is an anti-rotation device that prevents rotation of the roller assembly or sleeve assembly on the support sha... | 09/17/2002 |
| 6419061 | Anti-backlash mechanism A fabricated gear is provided which is formed from a plurality of plates disposed in series one on top of another. Each of the plates include a plurality of teeth along an outer circumference thereof. An aperture extending through a center portion of each... | 07/16/2002 |
| 6398226 | Chuck with one-way lock A chuck includes a generally elongated body having a tail section configured to rotate with the drive shaft and a nose section having an axial bore formed therein. A plurality of jaws are movably disposed with respect to the body to and away from the axia... | 06/04/2002 |
| 6374954 | Baby walker speed control caster A baby walker speed control caster. The speed control caster includes an axle piece, a pair of wheels symmetrically provided at either side of the axle piece, and a ball. The axle piece is provided with a pivot hole, a through hole, and a pivot shaft. Eac... | 04/23/2002 |
| 6332513 | Safety wheel of a baby's wheeled chair A safety wheel of a baby's wheeled chair has a support member, a right wheel part, a left wheel part, a ball and a side cover. The support member is connected to a lower side of the wheeled chair. The right wheel part is turnably connected to the support ... | 12/25/2001 |
| 6119823 | Brake mechanism for rotator A brake mechanism for a rotator has a brake arm rotatably supported, a brake pad, a spring exerting force to the brake arm in a direction in which the brake pad is brought into contact with the rotator, and a rotation restriction pin for restricting a ran... | 09/19/2000 |
| 6109122 | Starter motor assembly A starter motor assembly is provided. A motor housing encloses an electric motor having a rotatable armature shaft. A planetary gear assembly is provided in a pinion housing, including planetary gears, a planet carrier, and a drive shaft. A pinion is enga... | 08/29/2000 |
| 6073741 | One-way roller clutch A one-way roller clutch is composed of a drive member having a linking portion and a shaft smaller in diameter than the drive member. The shaft is provided with a plurality of rolling column slots, a fastening portion, and a plurality of protruded portion... | 06/13/2000 |
| 6070701 | Wheel device for a baby walker A wheel device for a baby walker provided on the bottom surface of a chasis of the baby walker, it is comprised of a first semi-sphere provided with a fixing portion fixed on the bottom surface of the chasis; a second semi-sphere exactly closely covering ... | 06/06/2000 |
| 6050512 | Uni-directional clutch bearing with on/off switching function A clutch bearing for preventing reverse rotation of a bushing received within the bearing includes a housing having a plurality of recesses, each recess having a shallow portion and a deep portion, an insert member disposed within the housing and having a... | 04/18/2000 |
| 5997014 | Braking system for an in-line skate A braking system for an in-line skate. The skate includes a boot mounted on a chassis. A cuff is rotatably mounted on the chassis. The chassis also has a plurality of wheels rotatably mounted thereon. The braking system for the skate includes a brake pad ... | 12/07/1999 |
| 5967267 | Roller unlocking sprags A roller type sprag member consisting of three main elements, an outer roller half section, an inner roller half section, and an assembly-location pin. The sprag locks using roller locking techniques in a manner well known in the case of a three-dimension... | 10/19/1999 |
| 5875874 | Rotary damper with self-standing mechanism A rotary damper for use with a toilet lid has a damper shaft rotatably supported by a damper housing, a collar of synthetic resin fitted over the damper shaft for rotation therewith, and a casing of synthetic resin fixed to the damper housing and disposed... | 03/02/1999 |
| 5819583 | One-way clutch with resilient ring and starter using the same In a one-way clutch used in a starter for engines, a locking concave for locking a roller thereto is formed on a roller-moving surface of one clutch member having a peripheral surface facing a peripheral surface of the other clutch member having a wedge-s... | 10/13/1998 |
| 5788021 | Automatic outputshaft locking mechanism for electric tools An automatic output shaft locking mechanism for electric tools, and particularly a locking mechanism in which the output shaft is driven by electric power and will automatically lock in position when it is turned by an external force, including a retainin... | 08/04/1998 |
| 5769188 | Rotary damper with self-standing mechanism A rotary damper for use with a toilet lid has a damper shaft rotatably supported by a damper housing, a collar of synthetic resin fitted over the damper shaft for rotation therewith, and a casing of synthetic resin fixed to the damper housing and disposed... | 06/23/1998 |
| 5722521 | Roller type one-way clutch In a roller type one-way clutch before an inner race contacts with rollers, the inner race is centered by a pad bearing, whereby it becomes unnecessary to use a special assembling jig and also the working property of assembly can be improved without incre... | 03/03/1998 |
| 5706700 | Overrunning clutch for starters An overrunning clutch that can absorb the impact torque, and accurately and easily conveys the maximum torque. A clutch outer tubular portion and inner tubular portion are separately fixed on an internal gear and a center case of an epicycle gear reductio... | 01/13/1998 |
| 5695031 | One-way clutch A one-way clutch operates stably even while an engine is revolving at a speed that tends to resonate the springs of the clutch. The clutch has an outer ring formed with a plurality of cam surfaces on its inner periphery at equal intervals in the circumfer... | 12/09/1997 |
| 5690032 | Device for preventing reverse run of carrier of trolley conveyor A reverse run prevention device is provided for use in a trolley conveyor having carriers adapted to run and stop on a rail via engagement and disengagement with pusher dogs on a drive chain. The reverse run prevention device includes an over-running clut... | 11/25/1997 |
