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7625188 |
Heart booster pump
A heart pump has a pump chamber and a pump element that strokes between a retracted and an extended position. A motor rotates a drive shaft in a single direction. A reversing mechanism coupled...
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RE40870 |
Adjusting element device
A device to be used with an adjusting element comprising a rod piston ( 3 ) displaceable with the aid of a motor ( 4 ) in a piston tube ( 2 ). The motor ( 4 ) is rotatably arranged at the adjusting...
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7540207 |
Device for actuating the doors of vehicles
A device for actuating the doors of vehicles, in particular of an aircraft. The device comprises a drive element, which co-operates with a door lock. A lifting motion of a shaft element and a...
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7530280 |
Micro actuator
A micro actuator including a translationally driving section having a moving portion which is incorporated in a case and moves translationally, and a displacement enlarging member having one end...
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7523761 |
Device for controlling fluid flow from a tank
The device for controlling fluid flow from a rain retention chamber or the like includes an inlet communicating with the chamber, an outlet permitting fluid to flow out of the device, and a shutter...
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7513692 |
Method for multi orbital engagement of surfaces by free rolling bodies and multi orbital devices based on this method
The present invention provides a new bearing device of free rolling parts. According to the basic embodiment the bearing device is comprised of: an inner race, an outer race, two rows of rolling...
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7475584 |
Servo-drive system and continuous finishing system of press
A servo drive system of a press machine has a pair of servo motors which can generate necessary ram pressure by compositing and using a torque based on the same speed-torque characteristics. The...
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7471020 |
Linear actuator
A linear actuator, preferably for sickbeds and beds for domestic use, comprises a reversible electric motor ( 2 ) which, via a reduction gear, drives a spindle ( 4 ) with a nut ( 5 ) secured...
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7464627 |
Passive entry actuator
An actuator and door latch system incorporating the same. The actuator moves a door latch between locked and unlocked positions with rapidity using a gear train directly coupled to an actuator...
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7436090 |
Direct drive hybrid rotary motor
A rotary motor shaft extends through a rheological brake unit through which variable braking resistance to rotation of the motor shaft is applied while it undergoes rotation in response to torque...
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7421988 |
Positive-guidance apparatus for conversion of a rotary movement of a drive to a reciprocating movement of a part
A positive-guidance apparatus for conversion of a rotary movement of a driven cam element to a reciprocating movement of a part. The apparatus has a first cam area which pushes the part away in a...
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7416658 |
Elliptical motion drive device for a step screen
Disclosed herein is an elliptical motion drive device for use in a step screen. The elliptical motion drive device comprises first and second eccentric wheels coupled to a single drive shaft to be...
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7409883 |
Balanced power axoid mechanism and axoid press
The inventive axoid mechanism and axoid press relate to mechanical engineering, to devices for converting power and speed parameters of linear motions and are based on power axoid mechanisms whose...
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7360521 |
Reciprocating engines
Reciprocating engine construction wherein a rotating assembly converts the linear motion of the piston into rotational motion more efficiently, therefore yielding more torque and working power...
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7341267 |
Reversible ratchet mechanism
A reversible ratchet mechanism includes a pair of roller clutches set to operate in opposite directions when engaged by a belt. During the forward motion of the ratchet assembly in either direction...
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7313861 |
Electric drive for a shaping die
A driving mechanism for operating a shaping die to join stacked plates by a deep-drawing and swaging operation is implemented as an electric drive, such as a linear motor or a rotary motor, which...
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7312680 |
Manual switch-off device of a permanent magnet switch operating mechanism
The present invention relates to a device that allows an output shaft to perform axial motion and automatic locking, in particular, a manual switch-off device for a permanent magnet switch...
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7303532 |
Trace evidence collection method and apparatus
A method for collecting air-transportable evidence samples from objects and clothing: (a) utilizes a collection tube having open upstream and downstream ends, and at a point between these ends a...
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7284458 |
Adjusting element device
A device to be used with an adjusting element comprising a rod piston ( 3 ) displaceable with the aid of a motor ( 4 ) in a piston tube ( 2 ). The motor ( 4 ) is rotatably arranged at the adjusting...
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7252490 |
Movement output apparatus
The present invention provides a movement output apparatus for controllably moving a movement output means in at least two spatial dimensions, the apparatus including:
a cog means with a...
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7237449 |
Drive mechanism and movable table unit provided with the same
A drive mechanism is interposed between two members to make the members move relatively with respect to each other. At least one of the two members is guided to move linearly. The drive mechanism...
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7225693 |
Slide drive device for a press
A slide drive device for a press changes a slide stroke without a changing either a top or bottom dead center position of a slide. The slide drive device allows stroke adjustment without a loss of...
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7204291 |
Modular lid and actuator for underwater pool cover drum enclosure
The present invention is a modular lid system for an underwater swimming pool cover or other underwater enclosure. The modular lid has a rigid lid portion which has an overall buoyancy such that...
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7100564 |
Variable angle cam-drive engine and a power conversion mechanism for use therein
A variable angle cam-drive engine in which the torque output generated at a given engine speed (as represented by, for example, piston reciprocation frequency) can be varied by changing the...
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7032837 |
Toy water gun with variable spray patterns
A toy water gun of the type for ejecting fluid therefrom. The toy water gun may include a housing having a longitudinal axis and a reservoir attached to the housing for holding fluid. A holding...
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7028602 |
Linear, hydraulic pivot drive
The invention relates to a linear, hydraulic pivot drive, especially for the flap control system of aerodynamic structures. Said pivot drive comprises a housing provided with ports for introducing...
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6923767 |
Scanning system along an arciform trajectory with a variable bending radius
The scanning system of the invention includes a structure driven in rotation around a first axis, a structuremounted rotating on the structure around an axis parallel to the first axis, a structure...
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6913447 |
Metering pump with varying piston cylinders, and with independently adjustable piston strokes
A metering pump includes an actuating mechanism, and a plurality of piston cylinders coupled to the actuating mechanism. A first of the cylinders has a working volume that differs from a second of...
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6868747 |
Linear drive
A linear drive includes a toothed belt ( 2 ) driven by direction-changing rollers ( 1 ) in the pretensioned state. The toothed belt ( 2 ) has at least one tension reinforcement. The teeth ( 3 ) of...
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6799483 |
Method and mechanism for converting vibration induced rotation into translational motion
The conversion of vibration induced rotation into translational motion is effected by engaging two threaded bodies with a gap between them and vibrating one of the bodies to induce rolling contact...
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6794779 |
Compact electromechanical linear actuator
An electromechanical linear actuator that contains an electric servo motor mounted within a compact housing. A thermally conductive path of travel is provided to efficiently transfer heat out of...
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6779498 |
Internal combustion engine operating on spark-ignitable fuel
An internal combustion engine operating on spark-ignitable fuel, which features at least one operating mode with homogeneous charge and self-ignition, and which includes at least one intake valve...
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6766704 |
Actuating system
Actuating system comprising an actuator with a torque-transmission element for a movable element, in particular a swing-action panel in a motor vehicle, the movable element being mounted pivotably...
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6715483 |
Telescopic linkage for household appliances
A telescopic linkage, in particular, for gas cooking points includes an arresting mechanism between two longitudinal telescopic bodies, one inserted inside the other in a longitudinal direction,...
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6700248 |
Non-linear magnetic motion converter
A non-linear magnetic harmonic motion converter apparatus for transferring non-linear motion into rotational motion for producing work from an interaction of at least two magnetic fields. An axial...
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6700231 |
Thrust converter, method of controlling the same, and controller for controlling the same
A thrust converter includes reciprocation movement means 1; reciprocation-rotation conversion means 2 for converting reciprocating movement of the reciprocation movement means into rotational...
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6684723 |
Device for producing a lifting and lowering movement
An apparatus for producing a lifting and lowering movement for lifting and lowering transverse transporting tongs of a forming machine includes a rotatable control shaft on which a control cam, a...
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6655228 |
Dual directional power feed
The present invention discloses a dual directional power feed for use with handheld drills or stationary frame mounted power sources. The device comprises a housing, two pairs of wheel bearings...
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6647813 |
Flexible rod transmission
A drive mechanism for converting rotary movement to an oscillatory movement for operating switches, valves, pumps and light implements wherein the oscillating member is a flexible rod having a...
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6640660 |
Pick-up and placement apparatus
Pick-up and placement apparatus including an arm that executes pick-up and placement motions and an arm drive mechanism. The drive mechanism comprising a driven rotating member having an appointed...
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6619146 |
Traveling wave generator
A traveling wave generator includes at least a base link and end link and an intermediate link; a pivot device pivotably interconnecting each pair of links; a drive mechanism interconnecting each...
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6616503 |
Animation device for head and mouth of a toy
An animation device for integration into an animated figure having a head with a jaw. The animation device comprises a cam assembly which is cooperatively engage to the jaw of the animated figure....
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6595728 |
Rigid and fragile material drilling machine
A rigid and fragile material drilling machine is provided, its driving means for driving the upper and lower drilling bit approximating the rigid and fragile material includes a control handle;...
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6585227 |
Roller screw actuator for subsea choke or module
An actuator for use with a subsea choke or similar apparatus is disclosed. The actuator uses a planetary roller screw mechanism to allow greater control of the torque output while allowing a fast...
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6581524 |
Conversion device for converting a rotational motion into a reciprocal motion
A conversion device that is structured to be coupled to the rotating axle of a motor and to an output assembly. The output assembly has an elongated shaft with an axis extending generally...
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6536069 |
Wiper system mechanism
A vehicle wiper system is provided including a cross-vehicle shaft that drives a pair of actuation mechanisms for driving a pair of wiper assemblies. The actuation mechanisms each include a crank,...
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6505659 |
Tool support
A support mechanism for a router comprises a plate having top and bottom sides and an opening therethrough, and a carriage supported in suspension beneath the plate for supporting a router coaxial...
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6494434 |
Butterfly valve
A butterfly valve comprises a valve housing with a valve opening and a valve seat, this valve housing enclosing a vacuum area of the valve; a valve plate which is mounted at a valve rod guided...
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6490941 |
Elliptic motion driving apparatus for a step screen
An elliptic motion driving apparatus for a step screen in which the elliptic motion of an elliptic motion driving unit is transferred to a driven link so as to make steep movable plates, connected...
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6474287 |
Reciprocating mechanism and engine including the same
A reciprocating mechanism for use in an engine comprises a reciprocating member which is movable in a substantially linear reciprocating direction between two ends of travel, a piston provided on...
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