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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7534171 | Spline connector A spline connector is provided which includes a first spline connector member. A second spline connector member is provided having backlash between spline teeth of the spline connector members. A spring is provided which biases the teeth of the spline connector memb... | 05/19/2009 |
| 7357195 | Power tool and gear unit assembled therein A power tool including a gear unit provided with a load moderating mechanism capable of reducing noise and prolonging service life. A coupling is force fitted with a spindle at a predetermined pressure allowing the spindle and the coupling to rotate relative to each... | 04/15/2008 |
| 7329189 | Flex drive connector A flexible connector may include a tube having an open end and a lower end distal from the open end, an inner surface of the open end comprising a plurality of apices forming a substantially polygonal lower cross-section, an upper shaft having an insert end disposed... | 02/12/2008 |
| 7316418 | Elastic coupling An elastic coupling capable of sufficiently absorbing a shake of a steering shaft in its axis direction to prevent a driver from feeling uncomfortable due to the shake is provided. A rubber elastic body including lubricant is provided between an outer circumference ... | 01/08/2008 |
| 7306067 | Engine coupling system A vehicle comprises a vehicle body. An internal combustion engine is mounted to the vehicle body. The engine comprises a crankshaft mounted in a crankcase. A drive system is mounted to the vehicle body. A transmission is coupled with the drive system. A coupling sys... | 12/11/2007 |
| 7263912 | Flywheel hub-to-rim coupling A flywheel system includes an annular rim mounted for high speed rotation on a flywheel hub. The hub has a radially splined exterior surface facing radially outwards. The rim includes an annular rim liner having an axis of rotation coinciding with the axis of rotati... | 09/04/2007 |
| 7252060 | Torsional damper for balance shafts A drive system for an internal combustion engine including an endless chain connecting a drive sprocket on a crankshaft to a driven sprocket on a camshaft. The drive system is comprised of at least one balance shaft and a torsion bar. The balance shaft has a first e... | 08/07/2007 |
| 7223176 | Torque transmission system When a first damper contacts both of a protruding portion of a pulley body and a protruding portion of a center hub, a second damper is disposed as being apart from the protruding portion of the center hub with a gap. Even when the pulley body is rotated in a revers... | 05/29/2007 |
| 7102261 | Coupling device between a rotor of permanent-magnet synchronous motor and a working part A coupling device (11) between a rotor of a synchronous permanent-magnet motor and a working part (17), being advantageously able to ensure an unusual silentness, comprises a driving member (22), being eccentric with respect to the rotor rotatio... | 09/05/2006 |
| 7096993 | Steering mechanism In a steering mechanism for a motor vehicle having a steering wheel with a steering shaft connected to a steering gear arrangement, the steering shaft comprises a first vibration damping element for accommodating and attenuating vibrations with relatively low amplit... | 08/29/2006 |
| 7097434 | Device for transmitting motion between the rotor of a synchronous permanent-magnet motor and the working part, having an increased free rotation angle A device for transmitting motion between the rotor of a synchronous permanent-magnet motor and the working part, having an increased free rotation angle, which comprises at least two motion transmission couplings which mutually cooperate in a kinematic series. Each ... | 08/29/2006 |
| 7056218 | Elastic shaft coupling and method of manufacturing coupling element An elastic shaft coupling and a manufacturing method of an element of the coupling, which realize reduction of the manufacturing cost while maintaining a sufficient strength of the coupling. The elastic shaft coupling has a coupling element which is formed by interp... | 06/06/2006 |
| 7048075 | Power tool A power tool includes a powered drive source, a speed reduction mechanism portion for transmitting a rotational power of the drive source, a striking mechanism portion for converting the rotational power of the speed reduction mechanism portion into a striking force... | 05/23/2006 |
| 7048661 | Power transmission device and torque transmission member A power transmission device for transmitting torque of a driving unit to a driven unit includes a first rotator, a second rotator, and a torque transmission member. The first rotator is to be driven for rotation by the driving unit. The second rotator is coupled to ... | 05/23/2006 |
| 7044872 | Methods and apparatus for providing reverse drive in a recreational vehicle A vehicle with a continuously variable transmission (continuously variable transmission) includes a torque responsive clutch having a cam and at least one coupling. The cam has a plurality of projecting surfaces, and a plurality of slots being defined between the pr... | 05/16/2006 |
| 6932319 | Linear valve actuator In a preferred embodiment, a linear actuator including: a rotary electric motor; a shaft (46) extending into a rotor (44) of the rotary electric motor and extendable into a body extension (30) of the valve; the shaft (46) having an extern... | 08/23/2005 |
| 6905004 | Parking gear for a motor vehicle An engagement wheel is mounted so that it can rotate relative to the drive shaft of a drive train in a motor vehicle. To allow rotational driving, the engagement wheel is operatively connected with an element that cannot be rotated relative to the drive shaft by at ... | 06/14/2005 |
| 6857976 | Rotation force transmitter and transmission mechanism A rotation force transmitter and a rotation force transmission mechanism are provided, which are light-weight and suppresses vibrations in the perimeter and radial directions. A junction flywheel, which is a rotation force transmitter, includes a pulley portion, a h... | 02/22/2005 |
| 6764405 | Drive arrangement A drive arrangement for a motor vehicle includes a drive shaft, a coupling device, and a coupling arrangement. The drive shaft is connectable with the coupling device for transmission of force solely via the coupling arrangement. The coupling arrangement has a first... | 07/20/2004 |
| 6609980 | Flexible joint In a flexible joint having a first rotating body connected to a shaft of an engine, a second rotating body coaxially connected to the first rotating body via a first rubber damper, and a third rotating body whose outer circumference is coaxially coupled w... | 08/26/2003 |
| 6478555 | Apparatus for controlling noise and vibration for drain pump An apparatus for reducing a noise and a vibration of a drain pump, including: a rotor rotated by a mutual interaction with a stator; a rotational shaft rotated by being directly combined to the rotor; a coupling cylinder combined to an end portion of the ... | 11/12/2002 |
| 6343992 | Driver coupler A coupler for connecting first and second shafts has a male cross member pinned to the first shaft and a female body member clamped onto the second shaft. The female body member has a housing with internal splines interlocking with mating external splines... | 02/05/2002 |
| 6283867 | Elastic shaft joint An elastic shaft joint includes: a tube shaft; a shaft coaxially inserted in the tube shaft so that a predetermined axial region of the shaft overlaps with a predetermined axial region of the tube shaft; and a damper inserted between the predetermined axi... | 09/04/2001 |
| 6257798 | Universal joint coupling A slip joint assembly provides radial clearance compensation between a slip joint yoke and a receiving member. The slip joint yoke has a plurality of male splines formed externally thereon. The receiving member receives the splined yoke therein and has fe... | 07/10/2001 |
| 6244964 | Flexible shaft coupling A coupling has an inner member centered on and rotatable about an axis A and formed with a plurality of radially outwardly projecting short inner teeth and a radially outwardly projecting long tooth together defining a plurality of radially outwardly open... | 06/12/2001 |
| 6231450 | Drive coupler A coupler for connecting first and second shafts has a male cross member pinned to the first shaft and a female body member clamped onto the second shaft. The female body member has a housing with internal splines interlocking with mating external splines... | 05/15/2001 |
| 6217452 | Direction-dependent driving coupling between the rotor of a permanent-magnet synchronous motor and the working part A direction-dependent driving coupling between the rotor of a permanent-magnet synchronous motor and a working part. The coupling comprises at least one first eccentric driving tooth and at least one cantilevered elastomeric element which are rigidly coup... | 04/17/2001 |
| 6131477 | Drive gear having an internal flexible coupling A drive gear train including a flexible coupling built into one of the gears to absorb shock load forces generated during gear train operation. The flexible coupling can include an inner annular member having a series of circumferentially spaced vanes pro... | 10/17/2000 |
| 6059662 | Torsion predamping device A torsional pre-damping device for damping the impact between a hub and a hub disc. A crown insert (20) made of absorbent material is arranged between the engaging teeth (18) and the engaged teeth (19) of the loose meshing portions (16) defined between th... | 05/09/2000 |
| 6045448 | Power-transmitting drive assembly with improved resilient devices A drive assembly couples a driving mechanism, e.g., an engine, and a driven mechanism, e.g., a generator, to one another. The assembly includes a transmission member having a plurality of inwardly projecting fingers and a coupling having a plurality of ou... | 04/04/2000 |
| 5943913 | Rotatable apparatus having a stress dissipation structure A rotatable apparatus includes a pair of rotatable members joined by a stress dissipating structure. The stress dissipating structure can be employed in a gear, sprocket, clutch or the like. In one aspect of the present invention, the stress dissipating s... | 08/31/1999 |
| 5931052 | Crankshaft gear torsional vibration isolator assembly for an engine An improved torsional vibration isolator assembly for an engine is provided which includes a non-linear spring device which effectively minimizes the transmission of torsional vibrations to the engine's gear train throughout all engine operating frequenci... | 08/03/1999 |
| 5908284 | Marine propeller with tube shape shock absorbing means A propeller is made up of a propelling unit having a plurality of blades, a driving unit for driving the propelling unit, and a plurality of deformable transmission units located between the propelling unit and the driving unit such that the transmission ... | 06/01/1999 |
| 5630758 | Torsional connection with radially spaced multiple flexible elements The torsional flexible connection has two coaxial flanges or discs equipped with sets of equidistant radially or axially protruding blades which are interdigitated to form a plurality of wedge-shaped chambers whose sides intersect at the axis of the conne... | 05/20/1997 |
| 5531642 | Vibration-proof power take-off device for engine including two displacement absorbing joint members connected by a resilient member A vibration-proof power take-off device for an engine includes a resilient support device for carrying the engine on a support, and a displacement absorbing joint for connecting an output shaft of the engine to a power take-off member. The displacement ab... | 07/02/1996 |
| 5435784 | Marine drive A marine drive for coupling a marine engine drive ring to a transmission drive shaft. A spider drive engages the drive ring and is provided with a plurality of rubber-cushioned trapezoidal lugs. The drive shaft is held in the spider drive by a central loc... | 07/25/1995 |
| 5224898 | Cushion connector A cushion connector (10) used for above ground drilling has pin (11) and box (12) components at opposite ends. A housing (13) extends axially between the pin and box components. A drive spline (22) is operably connected to one of the components and extend... | 07/06/1993 |
| 4816007 | Radially interengaged vane coupling with circumferentially arranged resilient pads A flexible shaft-coupling device comprises an annular first coupling member having circumferentially spaced vanes extending radially inwardly from its inner periphery and a second coupling member located within the annular coupling member. The second coup... | 03/28/1989 |
| 4795402 | Resilient shaft coupling A resilient shaft coupling having two metal parts that include an inner coupling ring and, coaxial thereto, an outer coupling ring. The facing generated surfaces of the rings are formed with a number of substantially radial cams or dogs which mesh with on... | 01/03/1989 |
| 4629443 | Installation for damping torsional vibrations in a gear drive, especially between the crankshaft and an output shaft of internal combustion engines An installation for damping torsional vibrations in a gear drive, especially between the crankshaft and an output shaft of internal combustion engines, in which a gear wheel on the output shaft is connected with the output shaft by a friction clutch and a... | 12/16/1986 |
