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Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7229378 | Shift system for transfer case A transfer case having an input shaft driven by a powertrain, a first output shaft adapted for connection to a first driveline and a torque transfer mechanism. The torque transfer mechanism includes a friction clutch assembly operably disposed between the first outp... | 06/12/2007 |
| 7207409 | Two speed all wheel drive system A two speed drive system for an all wheel drive vehicle includes a double planetary gear front differential and a power take-off unit transferring drive torque to a front wheel set and a rear wheel set of the vehicle. A rear differential connects the power take-off ... | 04/24/2007 |
| 7128671 | Hybrid power system with external auxiliary motor A hybrid power system, comprising a first power unit, a secondary shaft, a first transmission device, an auxiliary power unit, and a second transmission device. The first power unit has a primary shaft. The secondary shaft is driven by the primary shaft in a rotatio... | 10/31/2006 |
| 7104375 | Vehicle with separate gearbox clutch and back-torque-limiting slipper clutch A back-torque limiting slipper clutch. An engine including such a slipper clutch separate from its conventional gearbox clutch. A motor vehicle including such an engine having separate slipper clutch and gearbox clutch. A motorcycle having separate slipper clutch an... | 09/12/2006 |
| 7081064 | Two-speed transfer case with adaptive clutch control A transfer case having an input shaft driven by a powertrain, a first output shaft adapted for connection to a first driveline, a second output shaft adapted for connection to a second driveline, an interaxle differential operably disposed between the input shaft an... | 07/25/2006 |
| 7044024 | Apparatus and method for servo control of an aircraft Autopilot control of an aircraft is accomplished using a servo wherein the input shaft and output shaft are collinear. In one embodiment, the output shaft is supported, in part, by the input shaft. In further embodiments an engage clutch mechanism is provided to all... | 05/16/2006 |
| 7033300 | Clutch actuation system for two-speed active transfer case A transfer case includes a two-speed range unit, a friction clutch, an actuation mechanism, and a control system. The actuation mechanism includes an electric motor, a geartrain driven by the motor, a range actuator assembly and a mode actuator assembly. The range a... | 04/25/2006 |
| 7018296 | Gear drive with integrated torque limiting coupling A gear drive has a drive housing (1, 2) with a driveshaft (3) exiting the drive housing (1, 2) through a bore (10). The driveshaft 13 is rotatably supported in the drive housing (1, 2) around an axis of rotation X—X. A con... | 03/28/2006 |
| 6978510 | Wiper system with overload protection A wiper system for wiping a movable window (2), in particular of a motor vehicle, having a rotationally drivable first coupling part (10) for connection to a rotationally drivable drive shaft (9) disposed downstream of a stationary motor-gear un... | 12/27/2005 |
| 6974009 | Control apparatus for power train including continuously variable transmission A control apparatus for a power train including a continuously variable transmission and a clutch arranged in series with the continuously variable transmission is provided in which an engaging pressure of the clutch is first reduced until a slip occurs, and is then... | 12/13/2005 |
| 6929577 | Clutch actuation system for two-speed active transfer case A transfer case includes a two-speed range unit, a friction clutch, an actuation mechanism, and a control system. The actuation mechanism includes an electric motor, a geartrain driven by the motor, a range actuator assembly and a mode actuator assembly. The range a... | 08/16/2005 |
| 6905436 | Two-speed transfer case with adaptive clutch control A transfer case having an input shaft driven by a powertrain, a first output shaft adapted for connection to a first driveline, a second output shaft adapted for connection to a second driveline, an interaxle differential operably disposed between the input shaft an... | 06/14/2005 |
| 6824490 | Planetary gear reduction device with torque limiter function A planetary gear reduction device with a torque limiter function includes a housing, an input shaft rotatably supported by one end of the housing and connected to a power source so as to input a torque from the power source, an output shaft rotatably supported by th... | 11/30/2004 |
| 6691849 | Clutch mechanism The invention provides a clutch mechanism (200) having a driven pulley (32) and a drive pulley (34) to which a load is applied, the clutch mechanism (200) having an engaged position in which torque applied in use to the driven pulley (32) is transmitted t... | 02/17/2004 |
| 6623395 | Torque limiting chain sprocket assembly A chain sprocket assembly for use in a motor vehicle transfer case having an inter-axle differential includes a torque limiting clutch which limits the torque provided to a secondary drive line. The chain sprocket assembly includes a chain receiving hub h... | 09/23/2003 |
| 6575282 | Yaw damper for a two wheel drive motor vehicle A yaw damper for a front wheel drive vehicle provides torque transfer between the two non-driven wheels and generates a damping yaw moment in opposition to the current vehicle yaw condition. The yaw damper is passive and includes a mechanical clutch or fl... | 06/10/2003 |
| 6568519 | Torque limiting chain sprocket assembly A chain sprocket assembly for use in a motor vehicle transfer case includes a torque limiting clutch which limits the torque provided to a secondary drive line. The chain sprocket assembly includes a chain receiving collar having an inwardly extending ann... | 05/27/2003 |
| 6554113 | Torque limiting accessory drive assembly A torque-limiting accessory drive assembly comprising a pulley to transfer torque to an accessory drive system, a torque limiting device adapted to limit the maximum amount of transferred torque, and a one-way clutch assembly adapted to both selectively t... | 04/29/2003 |
| 6468047 | Power pump device A power pump device includes a casing having a motor and a gear system is connected to an output shaft of the motor. A final gear of the gear system is mounted to an axle and a knob is rotatably and threadedly connected to the casing. A first spring is mo... | 10/22/2002 |
| 6056101 | Overload control mechanism for cargo handling machine An overload control mechanism working as a safety mechanism for preventing a fall of cargo when a machine is overloaded during cargo handling operation. The overload control mechanism includes a driving gear, a tapered disk arranged on the inner circumfer... | 05/02/2000 |
| 5622034 | Chopper apparatus for cane stalk harvester A slip clutch and cutter blade apparatus for cane stalk harvesters provides a machine frame with a cutting mechanism in the form of cutter shafts powered by hydraulic motors. The cutter shafts have a plurality of knives thereon that pinch the cane therebe... | 04/22/1997 |
| 5020650 | Torque limiting clutch having set torque range over its useful life A torque limiter has an input flange connected to an output hub through a force generating subassembly which includes a pressure plate and a cover plate having a plurality of springs interposed therebetween. The cover plate is fixedly secured to the input... | 06/04/1991 |
| 4921083 | Clutch module with predetermined torque A field installable motor operator for a circuit breaker includes a bidirectionally controllable motor that is coupled through a torque limited module to a circuit breaker operating mechanism. The motor is bidirectionally driven by a transistor switching ... | 05/01/1990 |
| 4852706 | Gate operator An operator mechanism for a sliding gate including an electric motor driving a speed reducer through a worm gear and worm wheel arrangement and a multi-disk clutch positioned within the housing of the speed reducer. A sprocket wheel is positioned on one e... | 08/01/1989 |
| 4793120 | Clutch and cap disc assembly A cap disc clutch mechanism is provided in which a pair of cap disc clutch mechanisms will sense the torque between a cap and neck of a container and will allow cap tightening discs thereon to stop once the desired torque is reached and at the same time, ... | 12/27/1988 |
| 4708698 | Driving sprocket for conveyor chain on finger jointing machines A driving sprocket to drive conveyor chain on a finger jointing machine having a base plate with central aperture therein. Drive hubs are mounted on opposed faces of the base plate and are adapted to be rotated by conventional power transmission equipment... | 11/24/1987 |
| 4655479 | Pre-set torque limiter sub A preset torque limiter sub having a pin member and a box member. The pin member is connected to a section of drill pipe and has a male connection at one end. The box member is connected to a second section of drill pipe. The male connection and the femal... | 04/07/1987 |
| 4569250 | Positive drive with torque responsive dampener A positive drive (10) utilizing a secondary clutch (76, 78, 132, 134) to frictionally couple the drive cam (22) and housing (12) to the output couplings (34, 36) regardless of engagement of the primary clutch (52, 54 and 66, 68) for preload and dampening ... | 02/11/1986 |
| 4501570 | Adjustable friction clutch A friction clutch wherein the area pressures on the friction linings can be adjusted within a predetermined range while ensuring an even distribution thereof is provided with an adjustable supporting ring acting to vary the spring pressure within said clu... | 02/26/1985 |
| 4494358 | Torsional torque controlled friction screwing head for cap installation The invention relates to a screwing head, notably intended for installing caps on containers of bottle of similar type. This screwing head comprises an upper bush (8) fixed to the hub (1) and connected by elastic means to a lower bush (2) mounted to slide... | 01/22/1985 |
| 4474080 | Differential with variable torque means A drive mechanism wherein a first rotatable drive portion is connected to a second rotatable drive portion by a clutch. One of the drive portions is provided with a first part drivingly connected to a second part by a meshed interconnecting structure arra... | 10/02/1984 |
| 4018298 | Wheel assembly with slip clutch Wheel and axle assembly for a small vehicle such as a riding lawnmower which includes a frame and an engine mounted upon the frame, the assembly comprising an axle having opposite first and second ends journalled mounted upon the frame for rotation and dr... | 04/19/1977 |