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7481127 |
Continuously variable transmission using oscillating torque and one-way drives
A transmission utilizes oscillating torque to vary the mechanical power transmitted to a load. The transmission has a rotatable input member and a rotatable mass. The transmission also has a member...
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6807878 |
Device to provide continuously variable gear reduction
A torque transmission device for providing steplessly variable torque conversion. The torque transmission device has a set of unidirectionally-rotatable, slotted levers radiating from a first axis,...
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6779415 |
Mechanical transmission
A constant power mechanical transmission with seamless, ripple free, infinitely variable torque multiplying outputs comprises an input shaft and an output shaft. The input shaft is coupled to a...
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6748817 |
Transmission with minimal orbiter
A transmission has only a single, minimal orbiter in which an input gear and an output gear, each being connected to separate input and output shafts, are interconnected through an orbiting cluster...
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6684724 |
Shape memory alloy step drive mechanism for providing step motion to a system
A shape memory alloy step drive mechanism includes at least one shape memory alloy element ( 1 ) with a fixed end, the other end being connected to one end of a lever (2). The lever ( 2 ) is...
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6425301 |
Continuously variable transmission
A continuously variable transmission is disclosed to change an input rotational velocity along a continuous spectrum using an eccentrically positioned cam cooperating with a counterweight assembly...
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6308586 |
Gear transmission with stepless adjustable translation
The invention relates to a gear transmission with a steplessly adjustable translation ratio for converting of rotary speeds and of torques of shafts. The uniform rotary motion of a drive shaft is...
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6269568 |
Decoration with a variable billboard
A decoration with a variable billboard including a decorative hollow base seat in which an energy reserving device is disposed. The energy reserving device includes a coil spring and a handle...
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6247308 |
Bidirectional rotary motion-converter, wave motors, and various other applications thereof
Motion-converter apparatus for converting bidirectional rotary movements to unidirectional rotary movements includes: an input shaft for inputting the bidirectional rotary movements; an output...
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6231468 |
Desmodromic mechanism
A desmodromic mechanism having transmission elements connected to and supported by an intermediate element and a primary and a secondary cam both in permanent contact with the transmission...
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6212964 |
Flexible link variable stroke apparatus
The present disclosure relates to a flexible link drive apparatus. The flexible link drive apparatus comprises a housing that supports an input shaft and an output shaft. An eccentric is located on...
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6053099 |
Flywheel engaged pump/motor
A system for use in a press machine includes a drive assembly in the form of a pinion gear that selectively engages the flywheel to enable operative driving rotation of the pinion gear by the...
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5771743 |
Continuously variable torque transmission with torsion bars and energy recuperating brake device
A mechanical continuously variable torque transmission, in particular for flywheel driven, fuel efficient, low emission cars, trucks and locomotives includes structure as follows: three eccentrics...
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5711192 |
Indexer with improved clutch
An improved indexing device for generating a smooth and controlled rotary motion where double rotary cranks having slide members coupled to corresponding slide guides arranged in orientation...
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5603240 |
Mechanical transmission continuously variable from forward to reverse
The transmission couples a cam shaft to an output shaft through a plurality of sets of specialized linkages. Each set of specialized linkages comprises: a displacement waveform generator (DWG)...
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5385509 |
Gear transmission with ratchet o.w.c. and planetary gear set suitable for providing a pulsed drive
A drive train for a pulsed feed wheel has an offset cam on a continuously rotating drive shaft. The cam acts against a pendulum which rocks the input of a one-way clutch. A support arm attached to...
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5261515 |
Safety disconnect for the pedal operator rod of an attaching machine
A mechanical disconnect for the pedal operating rod of an attaching machine comprises a stationary trip slide having a downwardly inclined cam surface and a housing enclosing the trip slide and...
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5170872 |
Synchronizer for activating and de-activating a dog clutch, particularly in article-wrapping machines
The outputs (17-18) of a pair of intermittence devices (16) operated in phase with a clutch driving shaft (6), clutch however, generate equal movements, however in a 180° out-of-phase relation...
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5113712 |
Simple stepless variable transmission
A simple stepless variable transmission in which rotation of an input shaft is translated into circular motion of an input stage arm which is then converted into periodic rotation of an...
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5081885 |
Drive with oscillator-coupled transversely moving gear elements
A worm-like drive mechanism has a plurality of axially-spaced eccentrics rotated by an input shaft located at right angles to an output shaft. A wheel mounted on the output shaft has a...
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4986155 |
Cutting apparatus for extruded materials
Apparatus (10) for repeatedly cutting extruded rubber and plastic material (M) at preselected locations along a length thereof including, a frame (11), a drive shaft (35) mounted on the frame, a...
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4967615 |
Mechanical transmission
A mechanical transmission converts rotational motion of an input drive shaft to an alternating radially directed motion of a selected amplitude. The alternating motion imparts rotational movement...
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4907474 |
Mechanical torque converter
A mechanical torque converting transmission for producing an output with variable, controllable speed and torque characteristics comprises a rotary input shaft adapted for attachment to a rotary...
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4905810 |
Rotor shaft turning apparatus
Apparatus and method for periodic rotation of the rotor assembly of a turbogenerator during the time that it is not rotated in its normal manner for generating power, in which a continuously...
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4889013 |
Torque converter and assembly utilizing same
An inertial torque converter for converting a first torque into a second torque includes first and second unidirectional clutches which operate in opposite directions and which allow an output...
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4888539 |
Clutch/damper
A clutch/damper for isolating and absorbing vibration induced reactive torques from adversely affecting a motor drive system. A friction plate variably engages a gear coupled to the drive motor and...
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4869490 |
Incremental motion mechanism
An incremental motion mechanism which utilizes first and second one-way clutches attached to the output shaft of the mechanism. The first one-way clutch is used to prevent back up of the output...
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4866224 |
Incremental timer drive mechanism
An incremental drive mechanism for a switch operating timing cam is disclosed. The mechanism includes a camshaft having a radially extending cam and a cooperating slide which is adapted to...
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4777846 |
Hydrokinetic energy converter and velocity and torque multiplier
A hydrokinetic energy converter transforms the rotary output of a prime mover into hydrokinetic energy, which is blocked in an energy circuit including fluid coupled flywheels. The converter...
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4765195 |
Stepless transmission mechanism
A stepless transmission of the non-friction type is provided using intermeshing non-circular gears. The transmission is made up of a number of angular velocity modulators each having first, second,...
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4760219 |
Incremental timer drive mechanism
An incremental drive mechanism for a switch operating timing cam is disclosed. The mechanism includes a camshaft having a radially extending cam and a cooperating slide which is adapted to...
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4750376 |
Variable gear ratio/speed drive
A transmission in which gear segments are cammed to mesh with a circumferential gear and to transmit power from a centered shaft through arcs of power determined by the position of segments...
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4723853 |
Thermal transfer printer
A thermal transfer printer wherein the carriage is equipped with the ribbon cassette and the thermal head and has a take-up shaft engageable with the take-up core of the ribbon cassette, and clutch...
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4680980 |
Drive mechanism
A drive mechanism for imparting intermittent movement to an output member. The drive mechanism includes a rotatable input member which operates through a crank to move a beam with oscillatory or...
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4631972 |
Programmer control device
The present invention relates to a programmer control device comprising a rotary cam block capable of being driven in rotation step by step by an advancing cam actuating an oscillating pawl...
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4600366 |
Feed rate control for peristaltic pump
Apparatus for adjustable control of the rate of pumping liquid through a peristaltic pump, comprising a main shaft onto which an index plate is slideably engaged and locked by rotating the plate...
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4590813 |
Inertia transmission
A power transmission that uses inertia forces. The drive member carries a urality of high density rollers that are acted on by centrifugal force. The driven member includes reaction surfaces that...
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4584890 |
Device for rotating, at will and step by step, a shaft driven from a driving shaft
A device for rotating at will, step by step, a shaft (2) driven from a drive shaft to which is imparted a continuous uninterrupted rotational movement in an invariable direction, comprising means...
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4579013 |
Device for driving a conveyor according a pattern of unequal separate steps
A device for activating the one or the other of two movement transfer devices, both driving the same output shaft, at least one of said movement transfer devices having a cam disc to create a...
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4579014 |
Incremental drive for a sequential timer
A sequential ratchet drive for an appliance timing cam is disclosed. The drive includes a pawl adapted to drive ratchet teeth located on the periphery of a main program cam in a step-by-step...
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4566347 |
Programmer
A programmer comprising a cam unit which can be rotated manually in a first direction by a control shaft 23 able to occupy, under the action of a pawl device comprising a spring, any one of several...
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4563911 |
Programmer control device
The present invention relates to a programmer control device. This device comprises a rotary cam block 5 intended to be driven step by step by an advancing device comprising three advancing pawls...
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4538931 |
Drive mechanism including a one-way spring clutch for a typewriter
A drive mechanism for a member to be driven in one direction is disclosed. The mechanism is incorporated in an electronic typewriter and includes a clutch including a clutch spring which provides a...
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4506771 |
Method and apparatus for operating clutch and brake control device of machines having intermittent, undirectional operation
A method and apparatus for operating a switching device such as a clutch or brake for a moveable element such as a shaft which is driveable by a prime mover such as a rack and pinion device. The...
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4494416 |
Infinite speed transmission with reciprocating yokes
Cams carried by a power input shaft reciprocate a pair of yokes along perpendicular paths with the ends of each yoke coupled to a pair of oscillating arm members, all carried by a shift ring....
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4487085 |
Infinitely variable gear ratio transmission
An infinitely variable gear ratio transmission includes plural cam followers driven to oscillate by a rotating cam. The oscillatory motion of the cam followers is combined through plural clutches...
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4425988 |
Intermittent rotational drive
In a clutch-brake mechanism wherein an input member rotates first in one direction and then in the other, an axially shiftable output member, spline-connected to an output shaft, is clutched to the...
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4399716 |
Torque transmitting device
A device for transmitting torque between a shaft (1) and an outer annular element (2), in which device the transmission ratio between the shaft and the annular element is determined by the load on...
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4305599 |
Transmission for a wheeled vehicle
A transmission apparatus for a wheeled vehicle is disclosed. The wheeled vehicle includes a rotatable driving member, to which power is delivered by rotating the driving member in a first...
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4304157 |
Torque wrench
The main body of a wrench has incorporated in its hollow interior an eccentric ring for receiving input, a ratchet wheel for giving output, pushing bars disposed between the eccentric ring and the...
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