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Match Document Document Title
7624656 Continuously variable transmission  
A torque transfer mechanism for use as a continuously variable transmission that includes an input shaft, a cam member, a torque-splitting mechanism cooperating with the cam member, and a torque...
7526976 Control device for periodical driving system  
A periodical driving system includes a circular wheel having a plurality of radial recesses defined in an outer periphery of the wheel and each recess is defined by two inner sides and each inner...
7199544 Device for steering a vehicle  
A device for steering a vehicle, particularly a helicopter or even a simulator, comprising a handgrip that can be moved in a manner that is linear to the drive of a drive device, particularly the...
7100466 Angular velocity profile generator  
An angular velocity profile generator [ 22,24] comprising an input shaft [ 46 ], an output shaft [ 56 ], a universal joint coupling the shafts by pivot pins [ 70,75] situated on two pivot axes...
7066042 Advancing/retracting mechanism  
An advancing/retracting mechanism having a pair of cams is disclosed. The advancing/retracting mechanism includes a first cam, a second cam, and a barrel. The first cam includes an angled surface...
6928895 Ballscrew locking nut  
A ballnut assembly is provided in which a locknut ( 20 ), which is normally unloaded becomes loaded in the event of failure of a primary load path. This loading causes relative motion between...
6919658 Coordinate measuring stage  
An XY coordinate measuring stage includes a drive unit for a coordinate axis. The drive unit has a friction rod and a motor, the motor including a motor shaft in contact with a side of the friction...
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...
6427198 Method, system, and program for determining system configuration  
Disclosed is a system, method, and program for determining the configuration of a computer system having a planar board, a planar bus, and attached planar devices. A read operation is performed on...
6336887 Double orbital transmission  
A double orbital transmission is disclosed which has first and second input shafts ( 12 and 13 ) which carry first and second eccentrics ( 14 and 16 ). The pawl carrier ( 24 ) is mounted on the...
6119539 Infinitely and continuously variable transmission system  
An infinitely and continuously variable transmission system capable of gradually multiplying TORQUE while decreasing RPM and vice-versa. For a given input shaft TORQUE and RPM, the system delivers...
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,...
5899113 Variable speed drive having intermediate alternating movements  
Variable speed drive to be connected to a rotating driving shaft (5) and to a rotating driven shaft (6) includes at least two angled bearings (7, 7'), controller for controlling the orientation of...
5860320 Variable ratio power transmission  
A variable ratio power transmission in the form of a gear box is described, in which the gear ratio of the input and output shafts can be varied continuously between a maximum and a minimum. The...
5653142 Intermittently rotary gearing  
To provide an intermittently rotary gearing that converts rotary motion of a motor to intermittent rotary motion by utilizing a mechanical structure, an input shaft interlocking with a drive shaft...
5636935 Saw chain drive device and method of manufacturing saw chain drive device  
A saw chain drive device comprising a clutch drum and a drive member. The clutch drum has an axis of rotation and includes an end wall forming at least two apertures, and at least one of the...
5609061 Turntable with stepping drive  
Bearing system for a turntable (10) with a stepping drive, in which a table plate (12) is rotatably mounted on ball bearings on top of a housing (14), having drive pins (36) disposed on the same...
5605072 Load-isolated, single-cycle mechanism  
A driven gear (3a), a gear (11a) to a rotary solenoid (15a) and an output drive gear (19a) are mounted to rotate together, preferably as one part turning on a stationary shaft (7a). The driven gear...
5520065 Incremental speed reduction unit  
An incremental speed reduction unit mounted between a fluid meter and a totalizer for reducing the speed at which the totalizer operates comprises a drive gear rotatably supported on a shaft and...
5297449 Transmission device  
A transmission device having a simplified construction as well as a higher power transmission efficiency is provided, wherein a rotational speed can be changed steplessly without interrupting a...
5243868 Continuously and infinitely variable mechanical power transmission  
A continuously and infinitely variable mechanical power transmission that utilizes the principles of gyrodynamics in a torque converter and gearing arrangement as its means of achieving continuous...
5123291 Snap-action spring drive for load-reversing switches of multiple contact switches  
Snap-action spring device for load-reversing switches of multiple contact switches whose spring can be loaded by a drive. In conventional load-reversing switches, a gear moves a cam disk to and fro...
5048358 Rotary phased radial thrust variable drive transmission  
A rotary phased radial thrust variable drive transmission which is lcoated between an input driving member, such as the pedal-driven sprocket of a bicycle, and an output driven member, such as the...
5036716 Infinitely variable transmission  
A mechanical transmission is provided to transmit rotary mechanical motion at a mechanical advantage that is selectively and infinitely variable. An output shaft in an output drive mounting frame...
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...
4895046 Incremental drives  
An incremental drive for the incremental driving of a rotary shaft or of a line device, having a rotary driver shaft adapted to be driven by a power means. A plurality of cams are mounted on the...
4716783 Intermittent gear lock mechanism  
An intermittent gear wheel lock mechanism includes major engaging portions and secondary engaging portions formed on one surface of an intermittent gear wheel and spaced by a predetermined...
4606235 Geneva drive  
A mechanism for prepositioning the input shaft of a bidirectional Geneva drive to effect incremental rotation of the output shaft of the Geneva drive, upon rotation of the input shaft, at a...
4572013 Intermittent link mechanism  
In an intermittent link mechanism including a driven gear engageable with a drive gear to cause a predetermined changeover operation and including a recess partly breaking the tooth train of the...
4571211 Toy pull accessory for self-propelled toy vehicle  
A toy pull-sled accessory for a self-propelled toy vehicle is supported for towing on a play surface by a forward friction pad and freely rotatable rear wheels. Friction with the surface is...
4476735 Positioning apparatus  
A first member defines a plurality of depressions such as V-shaped notches therein and is positioned so that the V-shaped notches are adjacent another plurality of similar notches defined by a...
4336870 Torque exchange coupling  
A novel torque exchange coupling for transmitting rotational mechanical power is described. The coupling includes a torque receiving member, a torque transmitting member and means for conveying...
4250761 Rotary drive mechanisms  
In computerized tomographic apparatus having an intermittent rotational motion the scanning time can be reduced by increasing the rotation speed. However this can result in excessive forces being...
4229982 Cam drive system having parallel input and output shafts  
A cam drive system having parallel input and output shafts and means for rotating the input shaft includes a plurality of cams coupled at intervals around the periphery of the input shaft. Each cam...
4093056 Single revolution mechanism  
A single revolution mechanism is disclosed in which a feed roll is mounted on a print lever which is attached rotatably to a pivot. By rotating the lever, the feed roll can be brought into contact...
4091684 Variable speed control apparatus  
A variable speed control apparatus is provided for operating a work member in a first mode at a given uninterrupted speed and in a second mode intermittently in incremental movements. The apparatus...
4056137 Method and apparatus for cutting tenons  
Method and apparatus for cutting tenons in the ends of workpieces in which the workpiece is advanced on a rectilinear path, one or more cutting tools are reciprocated on a transverse rectilinear...
4050320 Transmission mechanisms  
A windscreen wiper transmission mechanism comprises a driving wheel with a shaft eccentrically positioned on the wheel. A connecting link for connecting the mechanism to a member for driving a...
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...
4003267 Cyclically operable drive transmission  
A cyclically operable clutch in which first and second driven gears are provided with interrupted gear tooth sections normally located opposite a motor driven drive gear. The second gear is...
3978736 Pilgrim step indexing mechanism  
A pilgrim step indexing mechanism provided with oppositely facing toothed ratchet wheels of the same pitch is associated with a single indexing pawl and an associated detent spring which not only...
3969888 Driving mechanism for day-date calendar device  
A driving mechanism for a day and date calendar device comprising two Maltese crosses from which one activates the display of the days and the other the display of the dates. One of said Maltese...
RE28897 Motion transforming mechanism  
A motion-transformer suitable for use with a small printing machine utilizes a trigger mechanism in combination with a rotating drum and slidable members to convert the rotation of the drum into...
3967715 Intermittent drive system for typewriters  
An intermittent drive for a single-element printing typewriter, calculator or similar machine. The drive comprises a drive shaft couplable via a cycle clutch to a driven shaft and a governor...
3964648 Toner supply device for copying apparatus  
An apparatus for supplying a granular material particularly a toner in a copying apparatus, comprises a material container which has a cylindrical interior wall with a discharge opening above the...
3922926 Stepping drive  
A stepping drive comprises an input shaft, an output shaft, and a planetary gearing and a crank mechanism mounted therebetween. The planetary gearing is mounted concentrically of the input shaft...
3871238 INTERMITTENT MOTION MECHANISM  
An intermittent motion mechanism comprises a pair of ratchet wheels mounted in side-by-side relationship for rotary movement independently of each other. One of the ratchet wheels is provided with...
3869929 KINEMATIC TRANSMISSION DEVICES  
A circular movement transmitting device which comprises a crank provided with a predetermined number of crank-pins angularly distributed in an adjustable manner, and crank-arms articulated by their...
3853015 CONTROL DEVICES FOR SLOW AND FAST ADVANCEMENTS FOR ELECTROMECHANICAL TIMERS  
Two one-way clutches provide for rapid advancement of a cam stack and independent manual rotation of the cam stack.
3828616 TRAFFIC SIGNAL CONTROLLER  
Structural arrangements are disclosed for achieving stepped advancement of a cam drum of a traffic signal controller. The arrangements include a ratchet and pawl assembly cooperable to step the...
Matches 1 - 50 out of 133 1 2 3 >