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7946942 |
Power pivot device
A pivot assembly may include first and second subassemblies. The first subassembly may be adapted to be coupled to a frame member and rotationally fixed relative thereto. The first subassembly may...
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7731616 |
Variable motion control devices for transmission and other implementations and methods of use thereof
Numerous implementations of variable motion control devices and methods of use thereof. The devices and methods provide variable output to such output devices as vehicles. The variable motion...
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7429231 |
Rotary drive for a belt tensioner
A rotary drive for a belt tensioner includes a housing, a pinion rotatably mounted therein, and at least one driving gear coupled to the pinion, the driving gear being mounted in the housing and...
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6895906 |
Rotary two-stroke engine
A rotary two-stroke engine including a multi-cylinder block rotatably mounted on two main bearings within an engine housing, a crankshaft journalled for rotation within said main bearings,...
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6685592 |
Roller shade clutch with internal gearing
A bi-directional clutch for operating a window dressing such as a roller shade includes a protective guard for securing the window dressing to a stationary structure, a gear box for transmitting...
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6086503 |
Camera
A cartridge holder being movable between a cartridge accommcodating position where it is concealed within a camera body and a projecting position where it is exposed outside the camera body has a...
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5709626 |
Method of transmitting motion and device for effecting the same
Motion is transmitted by means of a kinematic chain, comprising four members--a driving, driven, intermediate and support members. The driving, driven and supporting members rotate about a common...
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5692986 |
Variable dwell cycloidal indexing device
A variable dwell cycloidal indexing device for converting a uniform rotational motion into intermittent rotational motion with greater than one predetermined dwell point. The device includes an...
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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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5279209 |
Rotary machine
A machine that converts between reciprocating motion of a piston and rotary motion of a shaft. The shaft rotates an integral web that carries a number of lobe wheels spaced evenly about a pitch...
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5221237 |
Intermittent motion drive assembly including speed reduction
A cylindrical member driven by a planetary gear arrangement traverses an epitrochoid path to periodically enter a radial slot in an arm or disc rotating the arm or disc through 180°. By selecting ...
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5167589 |
Transfer bar actuating mechanism
A mechanism for providing a cycloidal output motion for an output member in a linear direction using a constant velocity rotary input motion driving an off-center input shaft and drive gear and...
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5107901 |
Modulator mechanism for dobby
A modulator mechanism for actuating textile dobbies in looms which include a cage driven in rotation by the drive shaft of the loom and which have at least two oscillating supports provided with...
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5080636 |
Intermittent motion drive assembly
A cylindrical member driven by a planetary gear arrangement traverses an epitrochoid path to periodically enter a radial slot in an arm or disc rotating the arm of disc through 180°. By selecting ...
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5031478 |
Two gear, connecting arm and crank apparatus
Rotation and linear movement of a main gear is provided by a pinion gear rotatably mounted on a crank arm and in meshing engagement with the main gear. A connecting arm between the gear centers...
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4993702 |
Apparatus for variably accelerating a drive member
Apparatus for variably accelerating a rotatable drive member comprises a slotted drive member mounted to rotate a drive shaft. A sun gear has two opposingly situated planet gears mounted to mesh...
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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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4850248 |
Frictionless continuously variable transmission
A continuously variable transmission comprising a drive plate having a series of radial slots attached to an input shaft. A bevel gear is concentrically mounted on the end of an output shaft held...
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4819492 |
Reversing mechanism having great kinematic versatility
Mechanisms which can produce, with a constant speed rotary input member, a reciprocating motion capable of producing very long dwells at each end of the stroke of the reciprocating motion,...
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4796477 |
Rotary reversible indexing mechanism
An intermittent reversible indexing system having a rotary input and a rotary output with variable kinematic characteristics including an epicycloidal drive with dwell characteristics. A planetary...
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4780785 |
Double-acting rotary drive for a control device
A double-acting rotary drive for a control device having an end position fixed in the form of a stop, includes a motor, a torque-changing gear connected to the motor, a driver associated with the...
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4726240 |
Transfer mechanism and drive with straight line lift and lower
A power drive and lift-and-carry mechanism in which a rotary input drives a mechanical system to produce a relatively long dwell stage and, in combination with a crank drive mechanism, produces a...
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4572017 |
Variable speed drive for filling cubicle container
A system for substantially filling a cubicle container including its corners with frangible material discharged from a fixed offcenter hopper outlet including means for rotating the container under...
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4569240 |
Motion generating mechanism
A motion generating mechanism having a gear and rack (or alternately a sprocket and chain) output comprises a housing mounting a prime mover coupled through a gear to drive a primary rotary member...
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4561237 |
Apparatus for packing articles fed in a continuous flow
An apparatus for packing articles having at least two sealing rollers mounted for rotation by a mechanism so that the rollers are rotated with a non-constant rotational velocity. The mechanism...
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4537087 |
Rotary chain drive mechanism with periodic output dwell
A rotary drive mechanism with periodic output dwell includes a fixed sprocket mounted on one end of a fixed hollow shaft. A drive input is rotatable on the hollow shaft and is coupled to a frame...
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4518020 |
Drive assembly for producing a nonuniform output from a uniform input
A drive assembly or gear unit is formed with a drive unit which is rotatably supported on a power output shaft between two bearing positions on the output shaft. The drive unit includes a pair of...
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4509380 |
Gear unit transforming a uniform driver to a non-uniform power take-off
In a gear unit for generating a non-uniform power take-off from a uniform drive, such as for the shedding mechanism of a weaving machine useful in a ribbon weaving machine, a driving member in the...
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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 said...
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4282956 |
Racking mechanism for bobbin machine
The bobbin racking mechanism for a Jacquard machine comprises two stationary shafts arranged side-by-side on a fixed support. One shaft supports for free rotation a drive unit including a drive...
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4243355 |
Lift truck rotator with pressure-relieved valving
A rotator attachment for rotating a load handling mechanism on a lift truck includes a frame carrying an inner gear with external teeth and rotatable about a longitudinal axis of the truck. An...
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4171473 |
Device for terminating rotary movement of a driven shaft
A device for terminating the rotary movement of a driven shaft following an adjustable predetermined number of revolutions, with one or more switch disks arranged coaxially adjacent and provided...
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4152944 |
Piston type energy conversion machine
A piston type energy conversion machine such as an internal combustion engine in which the thrust of piston reciprocation is converted to nutational movement of a tube-like member journalled in a...
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4152945 |
Power transmitting mechanism
A power transmitting mechanism for converting the thrust of reciprocating pistons to a rotary output shaft at speeds independent of the frequency of piston reciprocation. Power developed by...
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3921465 |
Apparatus for converting rotary to linear reciprocating motion with a decelerated portion in its stroke
An apparatus has a crankshaft, a slider, a sun gear, a planetary gear engaged with the sun gear and supported by a rockable member pivotally secured to the crankshaft to provide a decelerated...
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3857292 |
LINEAR INDEXING MECHANISM
A mechanism for providing a cycloidal output motion for an output member in a lineal direction using a constant velocity rotary input motion driving an off-center input shaft and drive gear and...
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3817122 |
DIFFERENTIAL DRIVE MECHANISM
Cutter and creaser apparatus that cuts and creases sheets and thereafter strips the cutout portions from the sheet includes a drive mechanism that is capable of either intermittently stopping the...
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3812941 |
POWER TRANSMITTING AND ZERO POSITION RESTORING DEVICE
A power transmitting and zero position restoring device for use with a copy sheet feeding apparatus including a magazine with a displaceable bottom plate on which copy sheets are stacked; a rack...
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3726150 |
PULSE RESPONSE-DRIVING APPARATUS
A pulse-responsive drive apparatus comprising a first electro-mechanical energy converter responsive to one pulsating signal, a second electro-mechanical energy converter responsive to another...
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3721132 |
INTERMITTENT DRIVE FOR CONVEYORS AND THE LIKE
An intermittent drive for periodically varying the speed and, if desired, the direction of a driven member comprising a driven shaft and a drive shaft coupled via a belt, a chain or the like. The...
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3664471 |
SELECTIVE DRIVE MECHANISMS
An intermittent motion transmitting device wherein the output of a continually rotating shaft is transferred selectively through an epicyclic gear train to advance a driven member. In one instance,...
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3658001 |
VARYING MOTION PLANETARY GEAR DRIVE
This invention provides a simple mechanism for imparting a continuously Varying forward and reverse rotary motion to the ink fountain roller of a printing press. This roller is immersed in a...
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3638623 |
SPINNING PISTON ENGINES AND SYSTEM AND PROCESS OF OPERATION
The piston shaft of an internal combustion engine, which shaft moves in a straight line path powered by combustion gasses within a cylinder, connects to a gear train assembly rotatably attached to...
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3548669 |
INTERMITTENT DRIVE
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3546956 |
HARMONIC ACTUATING UNIT FOR A POWER OPERATED WORKPIECE GRIPPING AND HANDLING MECHANISM
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3529485 |
STEP-BY-STEP FEED GEAR
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3516267 |
MECHANISM FOR TRANSFORMING A UNIDIRECTIONAL ROTARY MOTION INTO AN OSCILLATING MOTION
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3510583 |
TELEGRAPH APPARATUS (5-UNIT-CODE) FOR THE SETTING OF SYMBOLS WHICH ARE ARRANGED ON A TYPE CYLINDER
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3508451 |
DRIVING MECHANISM FOR SLIDE IN A PRESS
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3507162 |
CYCLOPLANETARY GEARING HAVING A VARYING OUTPUT SPEED RATIO
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