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8109852 |
Variable speed transmission with rotating and orbiting drive gears
The present invention relates to transmission systems and changing gear ratios within power transmission systems. In particular, the present invention relates to a positive displacement variable...
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7892129 |
Variable speed transmission with variable orbital path
The present invention relates to transmission systems and changing gear ratios within power transmission systems. In particular, the present invention relates to a positive displacement variable...
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7537535 |
Device for conversion of movement
A device for conversion of a rotational movement into a movement of each of two working levers defining a truncated cone and a self-rotating movement of each of the two working levers and vice...
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6371881 |
Variable continuous transmission system
The system is comprised of three sub-systems. The first sub-system has an actuation lever (P) which can rotate about an axis (E1) to displace excentrically the Second Sub-system with respect to the...
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6296589 |
Gear engaging stepless speed variator with orientational on-off device
A gear engaging stepless speed variator having orientational ON-OFF properties of worm transmission for a gear transmission mechanism to realize ON-OFF orientation, so as to achieve stepless speed...
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6062096 |
Continuously variable transmission utilizing oscillating torque and one way drives
A transmission utilizes oscillating torque to vary the mechanical power transmitted to a load. An arm assembly is rotatably coupled to a frame. At the ends of the arms are eccentric masses,...
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5679088 |
Change gear system
A change gear system comprises a driven case, a driving shaft and shifting means for shifting the drive shaft, and three sliding frames are provided in alignment in the driven case. Each sliding...
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5308293 |
Variable speed drive transmission
A mechanical arrangement of multiple gears forming a transmission device for variable speed output and direction from a constant input source. The arrangement of multiple gears wherein the control...
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5251507 |
Non-circular gear pair
In a non-circular gear pair comprising two non-circular gears maintained engaged, those gears have first and second intermeshing rotation parts in such a manner that the first intermeshing rotation...
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5201690 |
Gear system for motion transformation
A gear system for mechanically transforming motion on an infinitely variable basis as desired, having a unique arrangement of gear elements and clutches between the input and output shafts (1 and...
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5129272 |
Continuously variable transmission
A variable speed transmission transmits power between an input and output in which a pinion gear, a rotor and a cam are mounted for relative rotation therebetween. First and second gear rack pairs...
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5116292 |
Variable drive transmission
A mechanical transmission device for selective gear speed and directional output from a constant input source. A plurality of planetary gears engageable on a central input gear can be selectively...
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5108352 |
Modified cranking mechanism for epicyclic transmission
An epicyclic motion generating arrangement especially suitable for use as part of a continuously variable transmission is disclosed herein. This arrangement, in its preferred embodiment, includes a...
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5099706 |
Variable speed transmission
A variable speed transmission transmits power between an input and output in which a pinion gear, a rotor and a cam are mounted for relative rotation therebetween. First and second gear rack pairs...
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5055097 |
Rotary differential drive
An electro-mechanical rotary drive providing by electrical switching an output shaft speed change by substantially equal small steps. The drive includes an epicyclic differential transmission, with...
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4944718 |
Angular velocity modulating device
A angular velocity modulating device comprises: a primary angular velocity modulating means including a first non-circular gear which is an internal gear rotatably supported and a second...
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4909101 |
Continuously variable transmission
A continuously variable transmission includes a power input driving a sun gear which in turn drives a plurality of planetary gears. Within each planetary gear is mounted an over-rolling clutch. The...
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4873893 |
Infinitely variable positive mechanical transmissions
Disclosed herein are two embodiments of transmissions. In a first embodiment, a transmission is provided in which the input shaft and output shafts are mounted for rotation with respect to each...
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4843899 |
Gear drive with infinitely variable transmission ratio
The gear drive or transmission comprises toothed elements whose radial spacing from a drive shaft can be selectively altered. There are two sets of such toothed elements whose aforementioned radial...
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4802376 |
Variable phase and oscillatory drives
A device for impulsively varying the timing of the rotation of a camshaft (1) relative to a driving sprocket wheel (14) mounted on a stubaxle (102) comprises followers (119,110) rotatable with...
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4800768 |
Power transmission apparatus
A transmission means for transmitting power between input and output drives in which a rack and pinion gear assembly and a cam adjacent the pinion cooperate with the drives to provide a variable...
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4680985 |
Continuously variable transmission with epicyclic constant mesh gearing
A gear driven continuously variable transmission including an epicyclic cone in mesh with an axially slidable nonrotating ring gear. The cone and ring gear are enclosed in a housing. An input shaft...
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4644828 |
Stepless speed change device for bicycle
A stepless speed change device for a bicycle comprises a plurality of planetary members journaled in a carrier fixed to a crankshaft of the bicycle in two parallel planes perpendicular to the...
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4566353 |
Rotary shaft control apparatus
Apparatus for controlling a rotary shaft relative to a reference includes a strain wave drive having a specially shaped deformable ring gear for minimum stress. The wave generator part of the drive...
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4515026 |
Transmission
A mechanical transmission with a variable speed ratio that generates two oscillatory rotary motions that may have the velocities thereof selectively increased or decreased by concurrently...
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4452093 |
Drive unit
A positive planetary drive having zero backlash interconnects coaxial input and output shafts in a drive unit. A plurality of rollers orbiting about the input shaft is always entrapped in rolling...
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4277986 |
Stepless, variable stroke drive having a non-rotating cam
A stepless variable stroke drive particularly suitable for a bicycle transmission has a crank driven input element comprising a carrier housing journaled for rotation on a spindle. Mounted within...
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4090413 |
Cyclic motion generator
A cyclic motion generator comprising a mechanism capable of providing from a constant speed input a cyclic motion output, either linear or rotary depending on the application, which can be...
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4055091 |
Variable output transmission
The present invention relates to variable output transmissions which utilize mechanical square wave generators. The square wave generator comprises a plurality of relatively rotatable driver gears...
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4005619 |
Steplessly settable elliptical gearing
A steplessly settable gear box provided with a slidable head coupled to an output shaft is disclosed. The slidable head is slidably mounted on a first spur gear coupled to an input shaft and in...
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3955435 |
Variable speed drive mechanism
A variable speed drive consisting of a control gear train made up of a central gear which is eccentrically adjustable, an intermeshing walking gear and an overrunning gear form a speed control gear...
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3919895 |
Variable output transmission
Infinitely-variable transmissions have been disclosed that consist of a plurality of inverted-gear-train-loops that share common first and last gear elements with each individual loop incorporating...
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3881367 |
Infinitely variable ratio gear transmission
An infinitely variable ratio transmission in which an input shaft drives a pair of continuously engaged gear phases which respectively produce partial rotary motion of an output shaft, the...
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3650725 |
GLASSWARE COOLING AND TRANSFER APPARATUS
Articles of glassware manufactured by an automatic apparatus are taken out from finishing molds of the apparatus and held temporarily by take-out assemblies until they are cooled to such...
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3633430 |
REDUCTION GEAR TRANSMISSION
This specification discloses a reduction gear transmission comprising an input shaft carrying a pinion, a satellite carrier having a gear meshing with the pinion, a composite satellite gear on said...
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3618722 |
CYCLIC CLUTCH
A cyclic phasing clutch is described which is capable of losing one or more integral revolutions of the load while the input shaft rotates at constant speed. Two acceleration-deceleration...
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3603168 |
INTERMITTENT MOVEMENT MECHANISM
A rotary input having a fixed displacement and an output train of planetary gearing including a rotary carrier driven by the input, planetary gearing and an output gear meshing with the planetary...
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3548671 |
CONTROLLABLE STEPWISE DRIVE OR TRANSMISSION
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3532002 |
RECIPROCATING DRIVE ARRANGEMENT FOR A PRESS OR THE LIKE
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3505889 |
DRIVE MEANS FOR RECORDER
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3561290 |
POSITIVE DRIVE LINEALLY VARIABLE SPEED DEVICE
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3449972 |
INFINITELY VARIABLE TRANSMISSION WITH OVERRIDING CLUTCH
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3435709 |
VARIABLE SPEED TRANSMISSION
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3358841 |
Continuously-acting centrifuge
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3338491 |
Coarse and fine adjustment control for strip feeders
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3306128 |
Compound gear train unit with slip-free and thrust-free coupling means
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3295380 |
Variable drive structure for driving a work head with reciprocating cyclical movement
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3232132 |
Drive for detaching rollers of a combing machine
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3229549 |
Infinitely variable gear, preferably for motor vehicles
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3204330 |
Nonlinear gearing and apparatus utilizing nonlinear gearing for indexing
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