Matches 1 - 50 out of 173 1 2 3 4 >
Match Document Document Title
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
4301905 Rotation shaft machine  
A rotation shaft machine with a wedge coupling between a drive shaft and an eccentric device for the shaft movement, with which the wedge is mounted in a radially extending recess of an eccentric...
4282779 Indexing drive apparatus  
An indexing drive apparatus comprises a cam assembly connected to a drive source, a cam follower turret adapted to follow the rotation of the cam assembly to be swung, a turret shaft having the...
4282772 Rotational speed and torque mechanical transducer  
The rotational speed and torque mechanical transducer comprises: (a) a epicyclic gearing presenting a sun gear secured on a main shaft, two planet gears and a planet carrier for carrying the...
4281748 Indexing and synchronizing clutch mechanism  
An indexing and synchronizing clutch mechanism is disclosed which allows a driven shaft to be stopped in a precise indexing position and to be restarted from the indexing position in exact...
4242050 Windmill power generator  
A windmill powered generator having one or a plurality of wind operated motor units, each being operably connected to a single power drive shaft to effect rotation of said drive shaft regardless of...
4231405 Pencil driven mechanical pencil sharpener  
A mechanical pencil sharpener including a housing with a cutter assembly adapted to receive the end of a pencil along its longitudinal axis. The manual force associated with inserting a pencil into...
4229984 Step by step motor and/or brake device  
The invention relates to a step by step motor and/or brake device through controlled translation, comprising two assemblies arranged substantially coaxially about the same shaft, one of them being...
4215588 Control device for an intermittently movable driver member  
A control device for driver member comprises an intermittently movable driver member, a follower member adapted to follow the driver member for displacement, retention and return displacement, a...
4167123 Program unit for accurate actuation and control of individual operations  
A programmed actuation and an accurate stoppage of a mechanism in a predemined position after performance of a predetermined number of revolutions is achieved by provision of a main shaft driven...
4136572 Device for incremental feed in a machine tool  
A device for incremental feed of the tool or workpiece in a machine tool of the kind in which feed is effected with a device having at least one rotating shaft, characterized by a rotating element...
4125033 Regulable appliance for infinitely adjustable variator, especially for vehicles  
An infinitely adjustable variator which includes a drive shaft having mounted thereon first and second plane disks with the first plane disk being operatively connected with an idling coupling or...
4109539 Dynamic power booster  
The dynamic power booster is an apparatus which utilizes rotational input power for driving a crank lever in circular rotation. The crank lever drives a pivotally mounted lever assembly, having a...
4102282 Metering device for sewing machines  
A metering device for a sewing machine for supplying a predetermined length of material to the stitch forming instrumentalities. Movement is imparted to the metering device by a series of one way...
4036067 Integral revolution clutch  
An integral revolution clutch is provided wherein a motor rotates a drive pulley which continuously drives an idler pulley through a belt. A drive shaft is provided with a segment of a circle...
Matches 1 - 50 out of 173 1 2 3 4 >