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| Number | Title | Issue Date |
| 7395796 | Rotational balance adjusting structure and method for engine A rotational balance adjustment structure for an engine includes; a damper pulley having an elastic member provided on the outer periphery of a hub and a damper mass provided on the outer periphery of the elastic member; and an engine assembly having an engine body ... | 07/08/2008 |
| 7334312 | Method of forming axles with internally thickened wall sections A method for forming a variable wall thickness axle or tube with internally thickened wall sections comprises extruding a tubular metal blank within an elongated die. An elongated punch pushes the blank through the die. The punch has an end abutting and pushing the ... | 02/26/2008 |
| 7314315 | Gearbox for cold metal cutting machine Improved serviceability of cold metal cutting machines is accomplished in a modified gearbox structure enabling several annular components that are conventionally attached by press-fit to be attached instead by slide-fit for easy removal and replacement, eliminating... | 01/01/2008 |
| 7300372 | Integrated pulley-torsional damper assembly An integrated pulley-torsional damper assembly (1) comprises a hub (2) designed for being rigidly connected to a drive member (3), a pulley (4) connected to the hub (2) by means of a first ring (5) made of elastomeric materi... | 11/27/2007 |
| 7238070 | Outboard motor An outboard motor cam have a power transmission mechanism for transmitting rotational power of a crankshaft of an engine to a propeller through a drive shaft, an advancing/reversing-switching mechanism and a propeller shaft, and adapted to be propelled by the propel... | 07/03/2007 |
| 7204772 | Torsionally flexible coupling, a mold, and a method of producing same A torsionally flexible coupling has a hub ring and a vibrationally isolated pulley surrounding the hub ring at a radial distance, a spring body made of a rubber-elastic material being situated in the gap formed by the distance, and comprises a sliding-contact bearin... | 04/17/2007 |
| 7197959 | Coupling structure mountable to a rotatable shaft A coupling structure capable of being removed in an undamaged condition from a rotatable shaft. The coupling structure includes a metallic insert and a polymer hub surrounding the metallic insert. The metallic insert features a sleeve and a flange at the leading edg... | 04/03/2007 |
| 7178423 | Noise and vibration damper for a vehicular driveshaft assembly A noise and vibration damper for use with a rotatable structure, such as a driveshaft assembly for a vehicular drive train system, includes an inner member, an elastomeric member that extends about the inner member, and an outer member that extends about the elastom... | 02/20/2007 |
| 7150679 | Vibration-decoupled pulley having an integrated visco damper A pulley (1) that is decoupled from the vibrations of a crankshaft and that has an integrated viscous torsional vibration damper (2), including a flywheel (3), which is arranged in a damper housing (5) that is filled with a viscous medium... | 12/19/2006 |
| 7037072 | Rotor head for a rotary-wing aircraft A preferred embodiment of a rotor head for a rotary-wing aircraft having a plurality of rotor blades and a drive shaft includes a gimbal mechanically coupled to the drive shaft so that the gimbal rotates with the drive shaft, and a hub pivotally coupled to the gimba... | 05/02/2006 |
| 6976921 | Coupling The invention relates to a rotationally symmetrical coupling comprising an annular hub made of a rigid material, which is surrounded by an outer ring made of a rubber-elastic material. The coupling also comprises an outer contouring, which is located on the outer di... | 12/20/2005 |
| 6875113 | Torsional vibration damper A torsional vibration damper mountable to a rotatable shaft. The torsional vibration damper is a composite structure including a body formed of a polymer, such as a glass-reinforced polyamide, that surrounds an insert formed of a structurally-rigid material, such as... | 04/05/2005 |
| 6702681 | Torsionally flexible coupling A torsionally flexible coupling having a rotational axis (1), including a first ring (2) and a second ring (3, 4), which enclose each other [one enclosing the other] at a radial distance, at least one ring-shaped first spring element (5) made of elastomer... | 03/09/2004 |
| 6685432 | Hub assembly for marine propeller A propeller assembly is provided for mounting in a rotatable propeller shaft of a water craft. The propeller assembly includes a hub structure extending along an axis and including an outer surface having a plurality of circumferentially spaced blades pro... | 02/03/2004 |
| 6471481 | Hub assembly for marine propeller A propeller assembly is provided for mounting on a rotatable propeller shaft of a watercraft. The propeller assembly includes a hub structure extending along a longitudinal axis. The hub structure includes an outer surface having a plurality of circumfere... | 10/29/2002 |
| 6325723 | Precompressed, radially soft drive coupling A radially soft drive coupling for reducing vibration transmitted across the coupling in certain marine drive applications. The elastomeric elements interconnecting the hub and housing are precompressed by an amount which is at least in the range of 15-20... | 12/04/2001 |
| 5988015 | Drive devices A device for driving a piece of equipment from a driving shaft has a torsional vibration damper and comprises a primary element for connection to the driving shaft and a secondary element for connection to the piece of equipment. A first elastic member su... | 11/23/1999 |
| 5637041 | Coupling with connected resilient element and bearing A torsionally flexible coupling having an axis of rotation, comprising a first ring and a second ring that surround one another with radial spacing, such that at least one annularly configured first resilient element made of elastomeric material is arrang... | 06/10/1997 |
| 5573463 | Elastomeric drive line coupling for transmitting torque and simultaneously accomodating shaft misalignments and angular deflections An elastomeric drive line coupling. The coupling includes an input drive shaft having a longitudinal axis and terminating at one end with a housing and an output drive shaft having a longitudinal axis and terminating at one end with a ball. The housing ha... | 11/12/1996 |
| 5573462 | Flexible dual-rate coupling A flexible dual-rate coupling (20) including an outer member (22), and inner member (24), and a free-floating intermediate member (26). First and second elastomers (28) and (44) provide the dual-rate spring rate characteristics for the coupling (20). Firs... | 11/12/1996 |
| 5573461 | Torsional vibration damper with deflectable spokes A torsional vibration damper with an outside ring and an inside ring which surround each other and are connected to each other with rotational elasticity by way of spokes which can be deflected in the circumferential direction. The spokes are non-deformab... | 11/12/1996 |
| 5449322 | Torsional vibration damper Torsional vibration dampers for piston engines, particularly for motor vehicle engines, are mounted on the crankshaft of the engine in a torsionally resistant manner. The hub (2) bears a first flyring (3) which concentrically surrounds the hub and is conn... | 09/12/1995 |
| 5360375 | Device for mechanically transmitting torque The device for mechanically transmitting torque from a motor to a power transmission is especially suitable for marine propulsion systems as a sound-damping transfer coupling of a drive shaft. The device comprises a damping member with two halves mirror-s... | 11/01/1994 |
| 5186077 | Torque variation absorbing device A torque variation absorbing device is comprised of an engine inertia body divided into a drive plate and a flywheel which is connected to the drive plate so as to be rotatable relative thereto, a space defined between the drive plate and the flywheel, an... | 02/16/1993 |
| 5184705 | Electromagnetic clutch An electromagnetic clutch 11 including a rotor assembly 14 with an attraction surface 14d, a field coil assembly with an electromagnetic coil 15 and a coil support yoke 16, and an armature assembly 19. The armature assembly has an armature hub 20 which ca... | 02/09/1993 |
| 4852424 | Flywheel assembly A flywheel assembly having a first flywheel ring joined to the drive shaft and a second flywheel ring joined to the driven shaft, the two rings being mounted concentrically one inside the other for relative rotation. A spring and a damping system are prov... | 08/01/1989 |
| 4831897 | Torsionally compliant gear for use in multiple load path transmissions Unequal loading in multiple load path transmissions having independent gear trains 18, 20, interconnecting an input and an output shaft 12 and 14, respectively, is avoided through the use of a torsionally compliant gear 22 located in each gear train 18 an... | 05/23/1989 |
| 4813909 | Elastic axial-rotation coupler An elastic axial-rotation coupler has two inelastic devices for respective, inelastic connection to the two axially-rotatable structures, one of the devices defining an annular chamber therein. The annular chamber is closed axially and radially outwardly ... | 03/21/1989 |
| 4728314 | Elastic axial-rotation coupler An elastic axial-rotation coupler has two inelastic devices for respective, inelastic connection to the two axially-rotatable structures, one of the devices defining an annular chamber therein. The annular chamber may be open radially inwardly, but is clo... | 03/01/1988 |
| 4714450 | Elastomeric high torque, constant velocity joint A nearly spherical laminated elastomeric bearing has a non-circular latitudinal cross-section to accommodate high torque loads in elastomer bending rather than in shear. The nearly spherical profile of the bearing accommodates tilt primarily in shear. Bot... | 12/22/1987 |
| 4693354 | Clutch damper A clutch damper for absorbing vibrations occurring during transmission of torque in a clutch mechanism for automobiles or the like, wherein a plurality of buffer members stepwisely operated are provided between a hub slipped over a shaft and a clutch disc... | 09/15/1987 |
| 4674351 | Compliant gear A compliant gear which includes an inner hub portion, an outer ring gear portion, and a compliant laminate between the hub portion and the ring gear portion. The laminate includes a rigid laminar shim of generally uniform thickness sandwiched between a pa... | 06/23/1987 |
| 4575358 | Accommodating axial load in an elastomeric high torque, constant velocity joint The axial load-carrying ability of an axially-lobed, nearly-spherical elastomeric joint is enhanced by offsetting the elastomer layers so that there is more elastomer to react the load in compression. The improvement is useful in the application of the jo... | 03/11/1986 |
| 4558773 | Vibration damping clutch disc A vibration-damping clutch disc with a hub from which a drive disc extends. Support rings on opposite sides of the drive disc are joined together by connections that pass through cutouts in the drive disc and are capable of transmitting torque. Intermedia... | 12/17/1985 |
| 4504244 | Rotationally elastic coupling A rotationally elastic coupling with two half-couplings can be twisted relative to one another, these half-couplings being connected with one another so as to transmit forces by means of a sprung intermediate link and by means of a movement-converting int... | 03/12/1985 |
| 4500300 | Rotationally elastic coupling The rotationally elastic coupling makes possible the utilization of large twist angles between the two half couplings by converting the relative twist of the two half couplings into a radially directed translation by means of an eccentric link, a crank li... | 02/19/1985 |
| 4465037 | Shock absorbing cam shaft driving system A new and unique valve actuating cam shaft driving system for rotating a cam shaft to actuate suction and exhaust valves of an internal combustion engine, which comprises a driving gear on a crankshaft, a shock absorbing gear assembly rotatably mounted on... | 08/14/1984 |
| 4430065 | Bartlett coupling An improved Bartlett type flexible coupling includes cylindrical laminated elastomeric bearing means between opposing cylindrical bearing surfaces and substantially flat laminated elastomeric bearing means between opposing flat bearing surfaces. One discl... | 02/07/1984 |
| 4246767 | Coupling for the vibration-damping transmission of torques An improved coupling for the vibration-dampening transmission of torques is provided, which includes inner and outer annular coupling members with a resiliently deformable intermediate member arranged between the coupling members. The coupling includes co... | 01/27/1981 |
| 4194372 | Flexible drive coupling A flexible drive coupling for innerconnecting a pair of rotatable shafts includes a hub and an outer member. The outer member has formed in it a central opening and is disposed so as to circumscribe the hub and to be generally concentric with the central ... | 03/25/1980 |
