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7621834 |
Bicycle transmission apparatus including a one-way clutch and a slide mechanism, and bicycle incorporating same
A transmission mechanism obtains reduced cost by facilitating a process for guide grooves formed on an inner cylinder of a ball spline mechanism and regulates a movement of a drive sprocket in an...
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7600771 |
Continuously variable drivetrain
Drivetrains and frames for vehicles, equipment, machines, etc. Some embodiments of the drivetrains and frames are particularly suited for human powered machines, such as bicycles and exercise...
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7591254 |
Supercharger control system
A supercharger control system is installed at the bottom front end of the engine, directly onto the crankshaft. An accessory drive belt around the accessory belt pulley rotates continuously to keep...
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7547263 |
Apparatus for adjusting a position of a bicycle control device
An apparatus for adjusting a position of a bicycle control device comprises a memory that stores a plurality of operating position values corresponding to a plurality of operating positions, a...
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7311322 |
Bicycle control apparatus that sets a bicycle transmission to a predetermined gear ratio
A control apparatus for an electrically operated bicycle transmission comprises a power supply sensor and a control unit operatively coupled to the power supply sensor. The power supply sensor...
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7144027 |
Bicycle control apparatus that sets a bicycle transmission to a predetermined gear ratio
A control apparatus for an electrically operated bicycle transmission comprises a power supply sensor and a control unit operatively coupled to the power supply sensor. The power supply sensor...
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6980897 |
Oil pressure reduction rate restricting apparatus for V-belt type continuously variable transmission
There is provided an oil pressure reduction rate restricting apparatus for a V-belt type continuously variable transmission, which is comprised of a reduction rate restricting section that...
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6875139 |
Control system
A method and a control system for supplying a working medium to a hydraulically-operated device. The working medium pressure is adjusted as a function of a control variable provided by a pressure...
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6866279 |
Method and apparatus for controlling a bicycle transmission
An apparatus for controlling upshifting and downshifting of a bicycle transmission includes a running condition detecting mechanism that detects a running condition of the bicycle, a threshold...
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6840148 |
Scroll sawing machine with a speed ratio varying device
A scroll sawing machine includes a first transmitting shaft driven by an output shaft of a motor, a second transmitting shaft rotatable to move a blade-driving member in an upright direction so as...
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6837505 |
Method and apparatus for controlling a bicycle transmission
An apparatus for controlling upshifting and downshifting of a bicycle transmission includes a running condition detecting mechanism that detects a running condition of the bicycle, a threshold...
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6748309 |
Arrangement and method for determining the transmission ratio of a continuously variable belt transmission
The invention relates to an arrangement and a method for determining the transmission ratio of a continuously variable transmission having a drive end and an output end. A signal, which represents...
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6741045 |
Bicycle control apparatus that communicates power and data over a single transmission path
A bicycle control apparatus includes a bicycle component control unit having one of a control transmitter and a control receiver; a computer control unit having the other one of the control...
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6669589 |
Continuously variable transmission
Disclosed is a continuously variable transmission in which when a shaft torque is secured by a belt friction force generated by externally pressing a pulley, difficulties of transmission and...
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6623388 |
System for adjusting the voltage of a wrapped component of an infinitely variable speed transmission
A system for adjusting the tension of a continuous part of a continuously variable transmissions; which is adjustable preferably with respect to its transmission ratio, the continuously variable...
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6623387 |
Hydraulic controller for a continuously variable transmission
A hydraulic controller ( 10, 10 a, 10 b ) comprising a power part that is supplied by a high-pressure pump ( 42 ), and a control part and connecting lines is proposed. According to the invention,...
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6620066 |
Drive unit for an alternator of a motor vehicle
A drive unit for an alternator of a motor vehicle is provided with a driven pulley, which rotates around its own axis, and with a unit for connection of the pulley to a rotary drive shaft for the...
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6612949 |
Continuously variable transmission and control method therefor
A continuous variable transmission includes a pair of pulleys forming V-shaped grooves for receiving an endless transmission element for transmitting torque between the pulleys. Each pulley...
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6480774 |
Convertible transmission system
A convertible transmission system for a vehicle having an input shaft for connection to an engine and an output shaft for delivering rotational power to at least one axle. The transmission has a...
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6467786 |
Automatic shifting control device for a bicycle
A bicycle features an automatically shifting transmission. The shifting is controlled by a controller. The controller has a number of ranges that comprise a subset of the available gear steps. The...
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6454288 |
Automatic shifting control device for a bicycle
A bicycle features an automatically shifting transmission. The shifting is controlled by a controller. The controller has a number of ranges that comprise a subset of the available gear steps. The...
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6408239 |
Process for controlling a continuously variable transmission system (CVT)
The proposal is for a process for controlling a CVT of the bevel-pulley-belt type in which, on the occurrence of a wheel-locking drive situation, a converter bridging clutch is disengaged and at...
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RE37728 |
Variable speed mechanism and method for controlling the speed of an associated vehicle
A variable speed mechanism for propelling an associated lawn mowing apparatus has a variable pitch pulley assembly, a belt which connects the variable pitch pulley assembly to a transmission, a...
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6367833 |
Automatic shifting control device for a bicycle
A bicycle features an automatically shifting transmission. The shifting is controlled by a controller. The controller has a number of ranges that comprise a subset of the available gear steps. The...
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6367352 |
Crankset without dead center point, and assembly comprising such a crankset and a measuring appliance
The crankset with no dead center position includes a single crankshaft ( 108 ), fitted with a left crank ( 11 ) and a support hub ( 119 ) provided with a lever ( 20 ). This hub is mounted by a...
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6186915 |
Steplessly variable V-pulley looping transmission
A pulling device transmission includes an stepless V-belt connection two pulleys wherein at least one of the pulleys is an adjusting pulley which is composed by two halves between which the belt...
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6161452 |
Pedal crank drive for a bicycle
A pedal crank drive for a bicycle, comprises a shaft (3) extending through a bearing housing (4), a chain wheel (8) having at least one gear rim (9), where the hub (7) of the chain wheel is...
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6117032 |
Protective plate for bicycle chain
A protective plate for attachment to a bicycle frame for guiding a chain includes a plate body having a first side for facing laterally toward the bicycle frame, a second side for facing laterally...
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6110062 |
Hydraulic control system for transmission
A transmission is constituted by drive and driven side movable pulleys (11 and 16), a metallic V belt (15) and drive and driven side cylinder chambers (14 and 19) for controlling the width of both...
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6083130 |
Serpentine drive system with improved over-running alternator decoupler
A serpentine belt drive system for an automotive vehicle comprising a drive assembly including an internal combustion engine having an output shaft with a driving pulley thereon rotatable about a...
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6071206 |
Two speed traction drive pulley system
A two speed pulley assembly comprised of a sheave, a brake member, an output member, and a brake. The sheave receives a rotational input and also includes a series of carrier arms which cooperate...
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6053830 |
Power-spring assist to pedals of bicycle
A spring-assist drive for a pedal-operated rider-propelled vehicle such as a bicycle which makes use of a wind-up coil spring mounted within the frame of the bicycle as auxiliary power. The spring...
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6050913 |
System for adjusting the tension of the belt drive of a belt transmission
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6045470 |
Front derailleur with chainline controlling idler cog
A front derailleur for shifting gears on a chain driven bicycle, the chain having a drive run and a return run from a plurality of chainwheels, uses a chain supporting idler cog to vertically...
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5971877 |
Variable transmission
A power transmission system used in connection with a vehicle power wheel of a bicycle or other vehicle which has a fixed axle and which utilizes a rotating chain sprocket engaging an endless chain...
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5918894 |
Pedal mechanism for cycle and exercise equipment
A bicycle mechanism to permit a forward force to be applied to the bicycle's drive wheel by backward rotation of the bicycle's pedals in addition to permitting a forward force to be applied to the...
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5765847 |
Pedal mechanism for cycle and exercise equipment
A bicycle mechanism to permit a forward force to be applied to the bicycle's drive wheel by backward rotation of the bicycle's pedals in addition to permitting a forward force to be applied to the...
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5733214 |
System for adjusting tension of endless transmitting belt in internal combustion engine
In a system for adjusting the tension of an endless transmitting belt in an internal combustion engine, a control system automatically adjusts the tension to be applied from a tensioner to the...
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5700212 |
System for powering rotating accessories of an internal combustion engine
A system for powering various rotating vehicle accessories such as an alternator, a power steering pump, and an air-conditioning compressor from both a water pump and an engine's crankshaft. At...
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5644511 |
Cyclometer computer
A cyclometer computer display unit for providing an on-board computer to display real-time instructions to the cyclist. The computer has a central display mounted on a handlebar bracket. Sensors...
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5618240 |
Sprocket ratio changer
A chain shifting apparatus senses bias of pre-set peak pedal force to incrementally move a derailleur cable in a first direction, and to store spring energy. A governor apparatus senses peak...
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5486142 |
Hydrostatic transmission including a simplified ratio controller
A continuously variable hydrostatic transmission includes an input shaft connected to drive a hydraulic pump unit, a grounded hydraulic motor unit, and an output shaft. A wedge-shaped swashplate is...
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5447475 |
Device and process for synchronous control of bicycle derailleurs
Device for management of two derailleurs for cycles. The device comprises actuating levers connected to two derailleur gears by transmission cables (C 1 , C 2 ). It is characterized in that it...
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5427579 |
Control system for belt-type continuously variable transmission
A belt-type continuously variable transmission has a drive pulley coupled to an input shaft, a driven pulley coupled to an output shaft, a V-belt trained around the drive and driven pulleys, a...
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5421785 |
Method of and device for power transmission
Method of and device for power transmission using a circulating fluid under pressure delivered from a hydraulic pump in proportion to the number of revolutions of an engine output shaft. In order...
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5362278 |
Chain driving mechanism for a bicycle or the like
In a chain driving mechanism a chain runs around a wheel-side sprocket of a set of sprockets and around a pedal crank-side sprocket. The engaged sprocket is located between a sprocket of larger...
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5361649 |
Bicycle crank and pedal assembly
For bicyclists having one leg shorter than the other, a crank and pedal assembly is provided to more evenly distribute the forces exerted by both legs when pedaling a bicycle. The crank and pedal...
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5342248 |
Auxiliary equipment drive system
A drive system for driving an engine auxiliary equipment has a first power transfer device for transferring an output torque of the crankshaft to an interim shaft at all time and a second power...
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5334105 |
Variable speed mechanism
A variable speed mechanism comprises a constant speed transmission set, a variable speed transmission set, a sun gear set comprising a first sun gear and a second sun gear, a locating member, two...
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5330423 |
Drive system
A drive system for a conveyor belt drive assembly including a motor rotatably connected to the input shaft of a fluid coupling with the output shaft of the fluid coupling being rotatably...
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