Bizarre Patents
A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7360471 | Triple output transfer case for a vehicle seat A transfer case assembly (10) for selectively moving a seat assembly in a plurality of adjustment directions. The assembly comprises a motor (12) and a drive shaft (14) operatively connected to the motor (12) for rotation in response to a... | 04/22/2008 |
| 7325361 | Apparatus and method for providing a modular sliding door mechanism A modular drive assembly for a sliding door, comprising: a guide track having a hinge slidably received therein; a pair of pulleys disposed on either end of the guide track; a pair of cables each having an end that is secured to the hinge and the other end is secure... | 02/05/2008 |
| 7325664 | Electromagnetic actuator, and electromagnetic clutch and differential using the same The electromagnetic actuator includes an electromagnetic coil configured to provide actuation force in accordance with a solenoid current to be supplied, to a clutch and configured to actuate the clutch to control relative rotation between first and second members. ... | 02/05/2008 |
| 7264568 | Lock detection sensor A differential gear mechanism, of either the locking Cr limited slip type, including a gear case rotatably disposed within an outer housing and a mechanism to limit rotation of side gears relative to the gear case; this rotation limiting mechanism including a member... | 09/04/2007 |
| 7243769 | Dual motion actuator An actuator is disclosed which can be used in multiple applications, and which provides both linear and rotary outputs. The device comprises a motor driven rotor having clutch plates on both sides thereof. One clutch plate includes a gear driven output, and the othe... | 07/17/2007 |
| 7100472 | Two speed transfer case having two transfer chains A transfer case is provided for a vehicle having front and rear axles. The transfer case includes first and second input clutches connected with an input member, and first and second transfer chains having different chain ratios operably connectable between the inpu... | 09/05/2006 |
| 7074150 | Differential gear mechanism A differential gear mechanism includes a rotatable case driven by torque from an engine, a differential gear set housed in the case for differential distribution of the torque to a pair of output axes, comprising a first clutch, an annular plunger movable in a direc... | 07/11/2006 |
| 7063190 | Braking system A braking system having a brake disc and a brake plate. The brake disc and brake plate each include three plateaus that include ramps on each end. The plateaus of the brake disc are configured to substantially mate with the plateaus of the brake plate. ... | 06/20/2006 |
| 6951269 | Device for guiding a driving torque A device for guiding torque of one drive shaft (3) connected with a driving appliance (2) onto a first or a second output shaft (4, 5). A torque fed via the drive shaft (3) can be applied, respectively, to one of the two output shafts ( | 10/04/2005 |
| 6945895 | Differential gear mechanism A differential gear mechanism includes a rotatable case driven by torque from an engine, a differential gear set housed in the case for differential distribution of the torque to a pair of output axes, comprising a first clutch, an annular plunger movable in a direc... | 09/20/2005 |
| 6910564 | Toothed electromagnetic clutch brake A rotor ring and an armature for use in a toothed electromagnetic clutch or a toothed electromagnetic clutch brake. A method of manufacturing rotor rings and armatures used in toothed electromagnetic clutch or a toothed electromagnetic clutch brakes. ... | 06/28/2005 |
| 6886425 | Electromagnetic shift arrangement An electromagnetic shift arrangement for a transmission (2) with gear wheels (4, 6) arranged on a gear shift (12) rotatable about an axis (20) which can be non-rotatably connected with the gear shaft (12) to form a ratio step via a... | 05/03/2005 |
| 6843353 | Electro-magnetic clutch having axially moving coil An electromagnetic clutch assembly (10) has a housing (12, 14) and shaft (16) rotatably supported by the housing. At least one of the shaft extends out of the housing. A clutch plate (22) is mounted on the shaft (16) for rotation t... | 01/18/2005 |
| 6830142 | Power splitting transfer cases for changing vehicle traction drives A transfer case for a vehicle having two-wheel drive and four-wheel drive operating modes operatively established by a drive transfer mechanism that is selectively employed to interconnect a main power drive shaft construction for the drive of a first set of wheels ... | 12/14/2004 |
| 6779619 | Electromechanical park pawl for electric vehicle transmissions A parking pawl is implemented on a series type, hybrid electric vehicle by providing a transmission having a moveable locking plate. The locking plate is used to selectively engage and disengage from one of the power transfer gears of the transmission. While the loc... | 08/24/2004 |
| 6551209 | Electronically actuated locking differential A differential gear mechanism including a first output gear (25), and a cam and ramp actuator (55) including first (59) and second (63) actuating plates, relative rotation of which results in axial movement of said first plate (59) toward said first outpu... | 04/22/2003 |
| 6237737 | Power actuator having an electromagnetic clutch assembly The present application discloses a power actuator that has a motor having a rotatable motor output member and a clutch assembly. A stamped, cup-shape ferromagnetic coil casing has a generally radially extending base wall and an annular side wall extendin... | 05/29/2001 |
| 6082514 | Actuator for clutch ring An actuator for a clutch ring has a pivotally movable fork that engages and moves the clutch ring axially. The fork is coupled to a nut mounted on a screw. The screw is reversibly driven by a drive motor to move the nut between its limit of travel. A flan... | 07/04/2000 |
| 5996758 | Electromagnetically controlled bi-directional one-way clutch apparatus An electromagnetically controlled bi-directional one-way clutch apparatus which permits relative overrun or differentiation between a front torque transmitting shaft and a rear torque transmitting shaft up to a predetermined level and, if the amount of re... | 12/07/1999 |
| 5802915 | Transmission shifting mechanism with ball ramp actuator A transmission shifting system for axially displacing a jaw clutch having a plurality of axially and/or radially beveled teeth for engagement with a plurality of engagement cavities formed in a mainshaft gear where a ball ramp actuator or a cam ramp mecha... | 09/08/1998 |
| 5765671 | Electric power unit and power transmitting unit for electric vehicles An electric power apparatus and a power transmitting apparatus of an electric vehicle are each constructed as a unit structure to improve the overall range and reliability of the electric vehicle. In the electric vehicle including, as a power system, a ba... | 06/16/1998 |
| 5740895 | Integrated wheel end system An integrated wheel end system for a vehicle including a clutch adapted to provide driving engagement/disengagement of a wheel to convert between driven and non-driven modes of wheel movement. A support is coupled to the vehicle frame and an elongate spin... | 04/21/1998 |
| 5179496 | Excitation current device for automotive electromagnetic clutch An excitation current control device for an automotive electromagnetic clutch includes a first and a second transistor 8 and 13 and a current detector resistor 14, coupled in series with the electromagnetic clutch. The first transistor is PWM controlled t... | 01/12/1993 |
| 5115898 | Disk set with spreading devices for clutches or brakes The spreading apart and keeping apart of the individual disks in friction disk sets or clutches and/or brakes makes it possible to avoid drag torques and the losses of energy caused thereby. Spreading elements, in the form of magnetic bodies (8), which ar... | 05/26/1992 |
| 5107972 | Electromagnetic clutch assembly for four wheel drive systems An electromagnetic clutch assembly (40) especially suitable for use in motor vehicle four wheel drive systems selectively provides power to the front drive components (26, 28, 30). The clutch assembly (40) includes a through drive shaft (42) about which a... | 04/28/1992 |
| 5085305 | Cam-operated, positive clutch with electromagnetic actuator A clutch includes two coupling members respectively secured or coupled to two transmission shafts and each coupling member having a plurality of coupling teeth formed with arcuate or round tip portions for a smooth engaging of the two coupling members, an... | 02/04/1992 |
| 5080214 | Electromagnetic clutch An electromagnetic jaw clutch has interengageable teeth with gaps between them to facilitate engaging the clutch when there is some relative rotation between these teeth. The teeth are defined on one hub and on the armature. The second hub is plastic and ... | 01/14/1992 |
| 5076120 | Electric wrench An electric wrench includes a motor, an electromagnetically controlled clutch comprising electromagnet members and temporary-magnetizable members, a centrifugal control switch to de-energize the electromagnet members when the drive shaft connected to the ... | 12/31/1991 |
| 5052534 | Electromagnetic synchronizing and shifting clutch An electromagnetic clutch includes a fixed field shell with a multiple turn coil, a rotor rotatable with and slidable along a splined input shaft, and a rotatable armature disposed in axially opposing relation with the rotor. An internally splined locking... | 10/01/1991 |
| 5045036 | Electromagnetic speed change apparatus An electromagnetic speed change apparatus is effective to shift a sleeve from a first speed position to a second against the bias of a spring. In a preferred form, the apparatus includes an armature fixed to a shifting sleeve for rotation and axial moveme... | 09/03/1991 |
| 5030181 | Arrangement of an electromagnet coupling gear The electromagnetic clutch that serves for positive-locking assembly of concentric transmission shafts is inserted in a transmission housing (2) concentrically in relation to a shaft (1) and with a bushing (10) which externally encloses it, there resultin... | 07/09/1991 |
| 4984668 | Electrically-powered drive apparatus An electrically powered drive apparatus comprises a first clutch plate secured to an output shaft and a second clutch plate mounted to a gear which is rotatably and slidably provided on the output shaft. The second clutch plate comprises a resilient trans... | 01/15/1991 |
| 4955954 | Motor-driven control apparatus A motor-driven apparatus for controlling a throttle valve includes first and second clutch plates 11,13 mounted on an output shaft 5 opposite each other, with the second clutch plate rigidly secured to the output shaft. The first clutch plate is urged by ... | 09/11/1990 |
| 4955853 | Differential gear unit for motor vehicle drive axles A differential gear unit for the drive axles of motor vehicles has a positive differential lock comprising a jaw clutch plate which is connected non-rotatably but movable axially with the differential case and which works in conjunction with a jaw clutch ... | 09/11/1990 |
| 4905805 | Torque limiting clutch with by-pass A coupling providing protection against excessive torque transmission with an override capability. The torque limiting clutch capable of overrun without detrimental thermal or mechanical effects is capable of being by-passed by a lock-up clutch which tors... | 03/06/1990 |
| 4869354 | Flywheel disengagement assembly Apparatus for selectively coupling a ring gear to the drive train of a race car to effectuate engine start; generally comprising a geared flywheel retaining hub slidably mounted along a slideway between an adapter assembly bolted to the transmission and a... | 09/26/1989 |
| 4854143 | Bolt assembly and method A bolt assembly (21) including a movable bolt (34) and a user manipulatable bolt displacement assembly is disclosed. The bolt displacement assembly moves the bolt (34) between a locked and an unlocked position. The bolt displacement assembly includes a us... | 08/08/1989 |
| 4744449 | Compact electromagnetic tooth clutch A compact electromagnetic clutch has a toothed armature connected to a driven hub and a toothed driving hub which are moved into engagement with each other upon energization of an electromagnet. A precompressed spring disposed between the bottom of a cyli... | 05/17/1988 |
| 4716922 | Magnetic fire hydrant guard A device is provided, designed to prevent unauthorized operation of fire hydrants by completely concealing the hydrant operating nut and weather shield within freely rotating sleeves, thereby rendering the hydrant inoperable. The hydrant is made operable ... | 01/05/1988 |
| 4569426 | Clutch and brake assembly A clutch assembly for mounting to a rotatable element adjacent to a non-rotatable element. The clutch assembly has a first clutch member capable of being mounted to the rotatable element, a clutch body capable of being mounted to the rotatable element adj... | 02/11/1986 |
