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Class 474/14 - Via pivoted weight


Subclass of Class 474 - Endless belt power transmission systems or components
Definition: Subject matter wherein the part movable outwardly by inertial
No. of patents: 102
Last issue date: 08/10/2010


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NumberTitleIssue Date
7771300Devices for electrically assisting and actuating continuously variable transmissions
An electrically assisted or actuated continuously variable transmission (CVT) with a first pulley having a first pulley portion for fixed connection to an engine shaft and an axially movable second pulley portion for placement about the engine shaft. A mechanism for...
08/10/2010
7637828Belt-type continuously variable transmission and straddle-type vehicle including the same
A belt-type continuously variable transmission that is easily manufactured includes a belt wound around a primary sheave and a secondary sheave. The primary sheave includes a fixed sheave member, a movable sheave member, a cam plate, and a roller weight. The movable...
12/29/2009
7364001Engine mounting structure for motorcycle
A motorcycle has an engine mounting structure in which a rear wheel supporting swing arm is vertically swung together with a rear wheel, and in which both sides in the vehicle body width direction of a vehicle body side bracket provided in a vehicle body frame are c...
04/29/2008
7353896Wheel provided with driving means
A traction assembly includes a wheel comprising a wheel shaft and traction means which, when in operation, exert torque on the wheel shaft, wherein the traction ratio, being the arm of the torque divided by the size of the radius of the wheel, is larger than 0.57.
04/08/2008
7351169Utility machinery and associated control arrangements
A power transmission device for utility machinery is disclosed, the device including: a) a sleeve supporting a first sheave member having a first face; b) a hub received through the sleeve and moveable axially in relation thereto, the hub supporting a second sheave ...
04/01/2008
7338398Continuously variable transmission or clutch with ortho-planar compliant mechanism
A continuously variable transmission or clutch device (10) includes at least one pulley (18) rotatable on a pivot (28) and having a pair of adjustable sheaves (30, 34) including a movable sheave (30) movable along the pivot. An ort...
03/04/2008
7336009Hobby servo enhancements
An independent and modular apparatus is disclosed for extending the operational capacity of a servo motor. The apparatus includes a frame member having a servo motor and a rotatable shaft mounted therein. The output shaft of the servo motor and the rotatable shaft a...
02/26/2008
7331889Apparatuses and methods for controlling a variable speed transmission
Apparatuses and methods are disclosed for controlling a variable-speed transmission utilizing a pulley structure including first and second pulley members coupled for free rotation together about a shaft. The second pulley member can be axially movable relative to t...
02/19/2008
7313977Automatic, mechanical, continuously variable transmission, particularly for a heavy-duty vehicle
A continuously variable transmission including an input shaft; a flywheel connected to the input shaft; a drive pulley connected to the input shaft and defined by a first and a second half-pulley defining a groove of variable width for a belt; and a centrifugal actu...
01/01/2008
7311626Crank shaft power takeoff system and method
A crank shaft power takeoff system, including an appliance intended for use in connection with lawns and/or gardens, the appliance including an engine that includes a crank shaft, the system further including an accessory used in conjunction with the appliance, and ...
12/25/2007
7300370Clutch system for belted constant velocity transmission
A clutch for a belted transmission comprises a sheave, a first torque ramp member, a second torque ramp member, a drive ring and an electromagnet. The first torque ramp member is attached to the sheave and has a ramp face. The second torque ramp member is spaced apa...
11/27/2007
7285884Hobby servo attachment mechanisms
An apparatus for extending the operational capacity of a servo motor is disclosed. The apparatus includes a frame member. A first aperture is defined within the frame member and is configured to support a servo motor. A servo motor is positioned within the first ape...
10/23/2007
7281603Engine
An engine for an offroad vehicle including a crankcase, a transversely extending crankshaft, and a transmission connected to the crankshaft. The transmission includes a drive pulley, a driven pulley, and a drive belt connecting the drive pulley and the driven pulley...
10/16/2007
7276004Sliding centrifugal drive weights for automatic transmission
A sliding centrifugal drive weight for use in an automatic transmission found in motor vehicles or watercrafts. The sliding centrifugal drive weight, which mainly consists of an outer friction shell and an inner core weight, comprises an upper inclined face in slidi...
10/02/2007
7250016V-belt drive coupling
An apparatus for manually uncoupling a V-belt drive from an active power source. The apparatus is mounted on the end of a pulley of the V-belt drive and is comprised of a tapered member connected to the output shaft of the power source for engaging in holding relati...
07/31/2007
7243564Power transmission system of engine
The power transmission system of an engine is mounted on the all-terrain vehicle and has a crankshaft driven by the engine and the crankshaft is arranged in a direction of width of a vehicle body. A sub-shaft is arranged parallel to the crankshaft and the rotation o...
07/17/2007
7243575Braking 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
7240758Component arrangement for an all terrain vehicle
An all terrain vehicle (“ATV”) is disclosed having a frame with front, rear, right, and left sides. An engine and at least two wheel axes are disposed on the frame. A plurality of wheels are disposed on the at least two wheel axes. The engine includes a cylinder...
07/10/2007
7237638V-belt type continuously variable transmission
A belt continuously variable transmission apparatus having a case which includes a power transmission case (which is part of a crankcase of an engine), a power transmission case cover, and an actuator cover assembled forwardly of the power transmission case cover (d...
07/03/2007
7235035Release 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
7217204Continuously variable belt drive system
A continuously variable belt drive system including a driving pulley assembly, a driven pulley assembly, and a V-shaped belt engaged to transfer rotary power therebetween is disclosed herein. The driving pulley assembly includes an idler pulley portion. As the belt ...
05/15/2007
7179183Pulley for a continuously-variable-ratio drive
A pulley for a continuously-variable-ratio drive, having a fixed half-pulley fitted to a shaft of the drive; a movable half-pulley mounted to slide axially with respect to the fixed half-pulley to define with it a V groove of variable size for a V belt; and a torque...
02/20/2007
7172523Automatic mechanically controlled continuously-variable-ratio drive
A continuously-variable-ratio drive, having an input shaft; a flywheel integral with the input shaft; a drive pulley idle with respect to the input shaft and defined by two half-pulleys defining a groove of variable size for a V belt; and a centrifugal control assem...
02/06/2007
7163477Continuously variable transmission with decoupled centrifugal weight
A drive clutch for a CVT comprising a stationary sheave, a movable sheave, a motor and a centrifugal weight system. The movable sheave is movable closer to or further from the stationary sheave relative to a longitudinal axis. The motor may be coupled to an input sh...
01/16/2007
7128194Centrifugal clutch
A centrifugal clutch for a vehicle for reducing the trouble occuring when the clutch capacity becomes insufficient due a modification to the vehicle, such that of increasing the engine output or the exhaust gas quantity. The clutch weight of the centrifugal clutch i...
10/31/2006
7090600Driver pulley system for use in torque converter
A driver pulley system for use in a torque converter comprises a torque transmission device. The torque transmission device is used to transmit torque between components of the driver pulley system. ...
08/15/2006
7086981Transmission and constant speed accessory drive
An infinitely variable speed ratio planetary ball transmission comprising planetary members in rolling contact with moveable inner and outer races and a constant speed accessory drive system utilizing the transmission. The transmission is infinitely variable between...
08/08/2006
7044872Methods 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
7029408Variable speed transmission and method of use
A variable speed transmission includes an actuator mechanism that can be remotely activated to cause engagement of a drive unit and to subsequently vary the speed of the drive unit using the same activation mechanism. The variable speed transmission can include a fi...
04/18/2006
6994643Driven pulley system with spring positioner
A driven pulley system for use in a torque converter of a vehicle is disclosed. The driven pulley system includes relatively axially movable first and second flanges arranged to squeeze a belt of the torque converter therebetween. The driven pulley system also inclu...
02/07/2006
6962543Continuously variable belt drive system
A continuously variable belt drive system includes a driving pulley assembly, a driven pulley assembly and a V-shaped belt engaged to transfer rotary power therebetween. The driven pulley assembly includes a ratio adjustment mechanism that adjusts the position of a ...
11/08/2005
6958024Automotive V-belt nonstage transmission
An automotive V-belt nonstage transmission includes a drive pulley having a fixed sheave fixedly mounted on a drive shaft, a movable sheave mounted on the drive shaft, a return coil spring, a flyweight mechanism, a collar being rotatable relative to the fixed and mo...
10/25/2005
6953400Driven pulley system for use in torque converter
A driven pulley system for use in a torque converter of a vehicle is disclosed. The driven pulley system includes a motion-transmitting fixed unit and a belt-tensioning movable unit. The fixed unit is arranged to be fixed to a rotatable output shaft of the vehicle f...
10/11/2005
6860826Continuously variable transmission with two piece cam
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...
03/01/2005
6811504Continuously variable transmission for an internal combustion engine
A continuously variable transmission (“CVT”) is disclosed. The CVT includes a drive pulley adapted to connect to a crankshaft of an engine. The drive pulley has inner and outer halves with belt engagement surfaces to engage the sides of the belt. The drive pulle...
11/02/2004
6808465V-belt type transmission
In a V-belt type transmission having a V-belt entrained on a pulley, the pulley includes a fixed pulley half fixed to an end portion of a crankshaft and a movable pulley half supported on the crankshaft but axially slidable in opposition to the fixed pulley half. Th...
10/26/2004
6733406Variable-speed V-belt drive for vehicle
A variable-speed V-belt drive includes: a drive pulley; a driven pulley including a fixed sheave with a cylindrical shaft and a movable sheave mounted on the cylindrical shaft so that the movable sheave can rotate and axially move; a V belt extended between the driv...
05/11/2004
6656068Pulley having progressively variable sheave angle
A pulley system for use in a constant variable transmission includes a pair of pulley sheaves or flanges mechanically linked by a belt so that the outer surfaces of the belt interact with the inner surfaces of the flanges. At least one of the pulley flang...
12/02/2003
6520878Driving pulley for scooters and other vehicles
The driving pulley (12) is used in a continuously variable transmission (CVT) and comprises two flanges (22,24) around which a drivebelt (20) is partially wound. The first flange (22) is fixed in translation with reference to the drive shaft (16) while th...
02/18/2003
6406390Continuously variable belt drive system
A belt-type continuously variable transfer system (15) includes a driving pulley assembly (20), a driven pulley assembly (22) and a V-shaped belt (24) engaged to transfer rotary power therebetween. The driven pulley assembly (22) can include a ratio adjus...
06/18/2002
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