In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7992696 | Construction machine, as well as clutch for switching the power flow Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and ... | 08/09/2011 |
| 7673729 | Layout structure of clutch lever shaft To provide a layout structure of a clutch lever shaft capable of realizing compact layouts of a whole power unit in which a starter centrifugal clutch and a transmission manual multi-plate clutch are provided, and of a whole vehicle on which the power unit is mounte... | 03/09/2010 |
| 7469778 | Drive unit for a hybrid motor vehicle In a drive unit for a hybrid motor vehicle for coupling an internal combustion engine and/or a motor-generator to a transmission, wherein an input shaft of the drive unit is connected to the internal combustion engine and the motor-generator is connected to an outpu... | 12/30/2008 |
| 7361113 | Torque distributing drive unit for motor vehicles A drive axle assembly includes a pair of axleshafts connected to a pair of wheels and a drive mechanism for selectively coupling a driven input shaft to one or both of the axleshafts. The drive mechanism includes first and second drive units that can be selectively ... | 04/22/2008 |
| 7357235 | Automatic gearbox with a hydraulically actuated shifting element An automatic gearbox for a vehicle with at least one hydraulically actuated shifting element made as a transmission brake or transmission clutch. The shifting element has an inner disk carrier and an outer disk carrier where inner disks and outer disks are arranged ... | 04/15/2008 |
| 7309208 | Turning gear drive system A clutch assembly for a turning gear includes an overspeed clutch, an output shaft, and a centrifugal clutch. The overspeed clutch is disposed at the input shaft. The output shaft is in mechanical communication with the input shaft via the overspeed clutch. The cent... | 12/18/2007 |
| 7264085 | Hydraulic passage structure of automatic transmission friction element A hydraulic passage structure of an automatic transmission having at least one friction element for gearshift, the friction element being comprised of a drum. The hydraulic passage structure includes a housing formed integrally with a midway wall protruding inwardly... | 09/04/2007 |
| 7243575 | Braking mechanism for a gear An indexing and braking mechanism for a manual transmission having a shifting mechanism and at least one rotatable drive shaft is disclosed. The mechanism includes an indexing mechanism for controlling movement of the shifting mechanism between at least a first posi... | 07/17/2007 |
| 7235035 | Release clutch for a vehicle A vehicle includes an engine that powers a wheel through a drive train. The drive train includes a continuously variable transmission (CVT) and toothed gearing disposed between the CVT and the wheel. A release clutch is also disposed between the CVT and the wheel. A... | 06/26/2007 |
| 7226393 | Exercise bicycle A unique structure for an indoor exercise bike that provides strength in its design, as well as the flexibility to create an aesthetically appealing frame structure. The monocoque frame design, including two symmetrical halves joined together, forms a very strong, l... | 06/05/2007 |
| 7197968 | Screwdriver with adjustable device to limit transmitted torque A screwing tool with a device to adjust transmitted torque comprises a handle to introduce a torque to the device, which is borne in the hollow of the handle and a drive shaft as an output element of the torque. On the drive shaft inside the handle, two separate cou... | 04/03/2007 |
| 7175570 | Exercise bicycle frame An exercise bicycle including a frame, an adjustable seat structure, and an adjustable handlebar structure. One example of the frame includes a front fork, a down tube connected with the front fork, a seat tube, and a bottom frame member. The down tube has a first s... | 02/13/2007 |
| 7172040 | Riding type mower A work vehicle comprises: a plurality of wheels; a vehicle body supported by the wheels; a transmission case provided on the vehicle body, the transmission case having a first case portion and a second case portion and a middle portion extending between respective l... | 02/06/2007 |
| 7127955 | Torque limiting handle A torque limiting tool including an inner handle having a tool coupling portion, a biasing assembly aperture, and at least one radially oriented slot. At least one interface member is located in the radially oriented slot. The interface member includes an elongated ... | 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 |
| 7104922 | Method and device for control of a shifting component of a stepped automatic transmission The control of a shifting component (1) of a stepped automatic transmission is designed with one frictionally engaged element (2) and one form-locking element (3). When this shifting component (1) is engaged, a transmitting capacity of th... | 09/12/2006 |
| 7100544 | Pneumatic cone clutch fan drive having threaded attachment method for drive shaft of clutch to hub mounting An on/off clutch assembly is disclosed having a simplified method for attaching the drive shaft to the hub portion of the drive pulley. The rotating shaft is formed with an integral external threaded portion that is designed to mate with a corresponding internal thr... | 09/05/2006 |
| 7101306 | Bi-directional four-mode clutch for providing low and reverse gear ratios in a transmission A bi-directional overrunning clutch assembly employed in connection with a reduced capacity low friction clutch to provide low and reverse gears in a transmission. The clutch assembly including an inner race, an outer race, and engagement members supported therebetw... | 09/05/2006 |
| 7086515 | Clutch and synchronizer having permanent magnet actuators A friction clutch pack utilizes permanent magnets and induction rings to actuate a ball ramp actuator which come in turn, engages the friction clutch pack to transfer torque between drive and driven members in, for example, a motor vehicle transfer case. The permane... | 08/08/2006 |
| 7086976 | Electric motor applied clutch with a drag torque actuator A torque-transmitting mechanism has an electric motor apply apparatus. The electric motor is operable to control a drag torque on a rotatable plate for a torque-to-thrust apparatus. The control of the rotatable plate by the electric motor and drag torque results in ... | 08/08/2006 |
| 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 |
| 7000749 | Ratchet one-way clutch, and stator apparatus using the same In a ratchet one-way clutch including an inner race, an outer race provided coaxially with the inner race, a pawl member for transmitting torque between the inner race and the outer race, and a damper mechanism for absorbing shock at the time of engagement of the pa... | 02/21/2006 |
| 6978705 | Torque wrench A torque wrench including a wrench main body, a central push rod mounted in the main body and having an escape section, an adjustment handle adjustably fitted with one end of the main body and a restricting member locked on the central push rod. When adjusting the p... | 12/27/2005 |
| 6918480 | Centrifugal clutch A centrifugal clutch for coupling a drive shaft (11) to a driven member (13) at rotary speeds above a predetermined threshold, comprising: a centrifugal slider (15) with a massive enlargement (155) at one end and a first coupling formatio... | 07/19/2005 |
| 6915887 | Drive member for a water pump of the cooling-water circuit of an internal combustion engine and frictional shift clutch A drive member (1) for a water pump of the cooling-water circuit of an internal combustion engine, with a drive wheel (7) and a shaft (4) which is coupled to the water pump, is proposed. According to the invention, for the transmission of torque... | 07/12/2005 |
| 6904992 | Four-wheel-drive all terrain vehicle Disclosed is a four-wheel-drive all terrain vehicle capable of smoothly braking wheels in braking operation of rear wheels and having simplified structures of a drive force disconnecting device and a 2WD/4WD switching device. The drive force disconnecting device is ... | 06/14/2005 |
| 6905009 | Bi-directional clutch having a momentary latching actuator A bi-directional clutch assembly of the present invention is provided that comprises an inner race, an outer race, and an engagement mechanism disposed between said inner race and said outer race. The engagement mechanism is operable to move between a disengaged pos... | 06/14/2005 |
| 6874605 | Controllable viscous coupling The invention relates to a controllable viscous coupling for generating a locking effect between two coupling parts rotatable relative to one another around a common longitudinal axis, more particularly for the driveline of a motor vehicle. The viscous coupling comp... | 04/05/2005 |
| 6752229 | Vehicle with motor and engine A vehicle includes a frame on which are mounted a front wheel, a rear wheel, an engine, a battery-powered motor, and a transmission connecting the rear wheel with the engine and the motor. The motor can be used as a generator so as to transform motive energy produce... | 06/22/2004 |
| 6681909 | Walk-behind implement having wrap spring wheel clutches A reversible implement including an engine, an axle driven by the engine, a pair of ground engaging wheels with a wheel located at each axle end, a pair of input hubs rotatably fixed to the axle, a pair of wheel hubs with a wheel hub located at each axle ... | 01/27/2004 |
| 6637569 | Ball ramp actuator with indexing plates A ball ramp mechanism is used to apply an axial force in the same regardless of the direction of the flow of torque whenever there is relative rotation between an input shaft and an output hub using unidirectional grooves in both a control ring and an act... | 10/28/2003 |
| 6609600 | Centrifugal clutch A centrifugal clutch comprises a driving wheel, an operative disc connected to the driving wheel to move therewith, a transmission disc mounted to an outer periphery of the operative disc, a follower shaft, a friction mechanism, and a coupling device for ... | 08/26/2003 |
| 6592482 | Tensioner A belt tensioner having a pivot arm biased toward a belt by a torsion spring. The tensioner also comprises a one-way clutch coupled with a friction clutch. The pivot arm of the tensioner is connected to a one-way clutch. The one-way clutch is cooperativel... | 07/15/2003 |
| 6571904 | Transmission for offroad vehicle A transmission arrangement for an offroad vehicle is disclosed. The vehicle has a frame, at least two wheels supporting the frame, and an internal combustion engine supported by the frame. The engine has at least one cylinder, a piston reciprocally mounte... | 06/03/2003 |
| 6550595 | Venting system for use in a driveline enclosure A vent system for use in a driveline component of an automotive vehicle. The driveline component includes a housing and a bi-directional clutch rotatably supported within the housing. The driveline component includes a vent system which has a vent that is... | 04/22/2003 |
| 6481548 | Two-way clutch with limited slip feature A two-way clutch for allowing limited torque to be transferred until a roller clutch mechanism is forced to an engaged position. The present invention includes a roller clutch, with a torque generating device mounted thereon, including an actuator for pro... | 11/19/2002 |
| 6450309 | Transmission system structure of vehicle A transmission system for vehicle transmission mechanism (B) having a low speed hydraulic clutch (CL) and a high speed hydraulic clutch (CH) as a wet multi-disk clutch for transmission, wherein both the low speed hydraulic clutch (CL) and the high speed h... | 09/17/2002 |
| 6446773 | Viscous coupling with symmetric freewheeling assembly A viscous coupling having two rotatable parts in the form of a hub and a housing for the transmission of torque between the rotatable parts caused by a positive speed differential between the rotatable parts, which are supported inside one another, which ... | 09/10/2002 |
| 6431337 | Controllable coupling A coupling for controllably transmitting torque, having a first coupling member and a second coupling member--especially a shaft and a coupling housing--which are supported so as to be rotatable relative to one another; the coupling comprises a friction c... | 08/13/2002 |
| 6422365 | Power transmission system for four-wheel drive vehicles In a power transmission system for a four-wheel drive vehicle, a multiple disk clutch for distributing a proportion of the torque of the front wheels to the rear wheels is provided between a driving shaft which is connected to the front wheels which are m... | 07/23/2002 |