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6634424 |
Downhole control tool
A downhole control tool ( 20 ) comprises a first sleeve ( 22 ) defining a first profile ( 28 ), a second sleeve ( 24 ) axially and rotatably movable relative to the first sleeve ( 22 ) and defining...
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6557678 |
Transmission
A transmission assembly comprising an overrunning clutch assembly comprising a race having an inner annular contact surface, a plurality of sprags provided along the inner annular contact surface...
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6213681 |
Soil compacting device with adjustable vibration properties
A soil compacting device has a damping system which couples an upper mass and a lower mass together with a spring system in a vibration system. The damping properties of the damping system can be...
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5787981 |
Oil field converting axial force into torque
The present invention provides a tool for converting axial force into torque comprising a body and set teeth positioned on the body. The tool also has a mandrel positioned to move relative to the...
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5353659 |
Mechanism for converting oscillatory rotation of input shaft to unidirectional rotation of output shaft
A mechanism is disclosed for converting oscillatory rotation of an input shaft to unidirectional rotation of an output shaft. An input shaft journalled to a frame is rotatable about an input axis,...
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5231887 |
Device in a force actuator
A reciprocating axial movement of a drive member (18) in a force actuator is generated by a prestressed tool (17) of Terfenol material being exposed to a pulsating magnetic field. The reciprocating...
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5136888 |
Mechanism for converting oscillatory rotation of input shaft to unidirectional rotation of output shaft
In a mechanism for converting oscillatory rotation of an input shaft to unidirectional rotation of an output shaft, two bevel gears are mounted around the input shaft and a bevel gear intermeshed...
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4934217 |
Power transmission apparatus and methods of constructing and utilizing same
A multiple speed ratio power transmission apparatus, comprises input mechanism adapted to be connected to a power source for being driven with a constant reciprocating or oscillating motion, output...
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4911457 |
Scooter
A scooter with a manual propelling system of the invention can be moved by pushing or kicking the ground as usual, operating the manual propelling sytem or combining the both methods. The scooter...
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4729251 |
Stepping mechanism
A stepping mechanism comprises a toothed wheel and a shifting member which shifts toothed wheel by a tooth pitch. The movement plane of the shifting member extends at a right angle to that of the...
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4727763 |
Mechanism for transforming a reciprocating rectilinear motion into an intermittent rotary motion
A mechanism for transforming a reciprocating rectilinear motion into an intermittent rotary motion comprises a first element having a longitudinal axis and being reciprocable in a direction...
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4620620 |
Actuator for adjustable hydraulic damper
The actuator is disposed in the damper piston rod and includes a solenoid with a reciprocating plunger, a motion converting mechanism which converts solenoid reciprocation to rotation of an input...
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4594971 |
Variable fuel/oil ratio pump for two-stroke internal combustion engine
A mechanism for pumping fluid in response to pressure pulses, the mechanism comprising a fluid pump including a reciprocating piston operable to pump fluid, a rotatable eccentric wheel including a...
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4572027 |
Motion converter
Apparatus for converting multi-directional input to uni-directional output having a plurality of drivers rotated by the input and moveable to alternate positions with respect to opposed surfaces on...
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4567781 |
Steady power
A reciprocating input rod lifts a heavy ball up an inclined circular track that provides a path for the ball to roll down by gravity. The ball's speed of rotation causes the track itself to rotate...
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4419905 |
Bicycle transmission
A collar on the drive shaft of a bicycle pedal hub is mounted with means to displace the collar longitudinally along the shaft. The displacement is accomplished by a limited reverse rotation of the...
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4325264 |
Supersonic vibration driven motor device
A supersonic vibration driven motor comprising a supersonic oscillator and a mass rotationally driven thereby. The oscillator is provided with a vibration disc secured thereto on an end face...
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4265128 |
Turret type frequency selector
A frequency selector (tuner) employs a turret to select the position of a slide member that is coupled to a variable reactance. The slide member is moved away from the turret by depressing an...
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4235157 |
Volumetric metering stuffer with product seals
The ram housings of a volumetric metering stuffer are provided with ram seals to prevent leakage of the product being stuffed. The rams are reciprocated translatorily along substantially straight...
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4221236 |
Steppable mechanism and valves including same
A steppable mechanism is described comprising a cam member formed with a series of interconnecting cam slots symmetrically arranged in a closed loop around a central axis, and a follower pin...
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4200180 |
Mechanism for feeding workpieces
A transfer finger for feeding small workpieces is pivotally mounted at the forward end of a rod which is adapted to be advanced and retracted by a reciprocating pneumatic actuator. During the...
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4170148 |
Double oscillating motion-single linear motion cam
For use in a speed change transmission having shift rails to effect speed changes, a shaft carrying a double oscillating motion - single linear motion cam, with a cam follower surface in a shift...
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4128133 |
Torquer/thruster for flexible roofdrill
A torquer/thruster with a hydrostatically actuated chuck assembly configured to drivingly engage a flexible roofdrill for applying rotational torque and longitudinal thrust to the roofdrill shaft....
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4103120 |
Auxiliary mechanism for imparting rotational energy to electrical components
Disclosed is an auxiliary mechanism for rapidly imparting rotational energy to electrical switch components. An insulator connects an electrical switch component to an output shaft mounted for...
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4062246 |
Mechanical movement
A mechanical movement includes an input member movable in opposite directions, levers each connected to and pivotally movable by the input member, crank arms connected to and movable by the levers,...
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4059021 |
Apparatus for converting oscillatory motion to reciprocating motion
Apparatus for converting oscillatory motion to reciprocating motion featuring the use of thin, non-permanently deformable band-like members confined to a linear track so as to be reciprocable when...
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4048010 |
Control rod drive for nuclear reactors
A nuclear reactor, a control rod drive for finely adjustable normal insertion and withdrawal of control rods from the reactor core, for scramming the control rods, as well as for locking the...
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4003268 |
Film winding device for photographic cameras
An improved film winding device for photographic cameras, having a sprocket, a sprocket rotation limiting member and an engaging member, both of which move in unity with the sprocket, a stopper...
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RE29000 |
Hydraulic actuator
A hydraulic actuator for producing translational movement over a long distance having two jack cylinders with pistons mounted for reciprocal movement and connected to a worm wheel through a worm...
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3983759 |
Double-acting wrench
A double-acting wrench has a main handle and a holding handle, the end of the main handle being connected to a set of reversing gears, and through a ratchet and double pawls to the cage in which...
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3977263 |
Intermittently rotating driving devices
The driving device comprises a cam disc rotatably supported by a cylindrical base and provided with equally spaced radial cam grooves of an add number, a slidable shaft extending through the...
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3977261 |
Wrap-spring, variable speed drive arrangement
Oscillatory motion of a first end of a lever arm is converted to incremental rotational motion of an output shaft connected to a second end of the lever arm. The second end oscillates with an...
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3969945 |
Indexing mechanism
An indexing device has a toothed gear actuated by a reciprocating yoke impinging on a tooth to turn the gear and to hold the gear in a fixed position upon further movement of the yoke in the same...
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3946628 |
Rotary veneer clipper and drive therefor
A rotary veneer clipper has a pair of cutting blades spaced 180° apart on a rotary clipper shaft for cutting cooperation with a roller anvil below and parallel to the clipper shaft and over which...
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3906511 |
Cassette scratch strain recorder
A recording instrument is disclosed for measuring and recording changes in linear distance between two predetermined points. The instrument is comprised of a recording tape and a scribing means for...
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3875812 |
Feeder drive
Machine gun feeder drive is provided with two oppositely driven pawls, each for driving a ratchet, which ratchet has the same number of teeth as the feeder sprocket, and which pawls have the...
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3869928 |
UNIDIRECTIONAL ROTATION ACTUATOR
A unidirectional rotation actuator comprising a cylinder, a piston for undergoing sliding reciprocation within the cylinder, a cam groove formed in either the cylinder or piston in the surface...
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3827308 |
PRECISION ROTARY INDEX
A mechanism is disclosed for converting axial input motion or reciprocating motion of an input member to a precise unidirectional incremental angular displacement of an output member about the axis...
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3803929 |
CONTROL SYSTEM INCORPORATING AN IMPROVED THREE-DIMENSIONAL CAM ARRANGEMENT
A fuel control system for a gas turbine engine incorporates a three-dimensional cam providing a displacement output as a combined function of a pair of displacement inputs. The cam is guided for...
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3762228 |
ADVANCING MECHANISM
The mechanism advances a plate bearing a plurality of objects at regularly spaced positions to bring each object accurately to a predetermined work station. The mechanism is operated by the...
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3748078 |
FORMING MACHINE WITH WEB TRANSPORT
In a web forming machine (e.g., with pre-heat oven and die for plastic sheet) the web gripping and transporting members extending along the web (e.g., on a long chain) are advanced by a hydraulic...
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3744326 |
MOTION TRANSFORMER
In a motion transformer for converting oscillatory to rotary motion, comprising (a) an enclosure including a base plate and a cover plate, (b) a ratchet wheel within the enclosure mounted for both...
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3717132 |
VALVE ROTATOR
A valve rotator having a spring washer interposed between a spring retainer collar and a retainer cap, a plurality of radial ball-ramps being provided in the retainer cap with a ball positioned in...
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3703104 |
POSITIONING APPARATUS EMPLOYING DRIVING AND DRIVEN SLOTS RELATIVE THREE BODY MOTION
Positioning apparatus for effecting movement of a first body with respect to a second body in response to movement of a third body characterized by a slot traversal member engaging a set of driving...
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3691754 |
VIBRATORY DRIVE SYSTEMS
A mechanism for transforming a vibratory movement into a rotating movement, particularly for use in timepieces, wherein stepping pawls connected to a vibrating member act onto a ratchet wheel...
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3631670 |
DEVICE TO EXTRACT POWER FROM THE OSCILLATION OF THE SEA
The device consists of two floats having different natural oscillation frequencies. The floats are linked by a rocking rod. The floats are set into a bobbing motion relative to one another by...
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3590645 |
BIDIRECTIONAL STEPPING MECHANISM
A disclike camming wheel has a pattern of intersecting grooves cut in one face thereof. A lever-operated pin, biased to a center position within one of the grooves, is operated radially of the disc...
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3550477 |
DRIVE MECHANISM
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3543591 |
SHUTTER OPERATING MECHANISM
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3537325 |
VALVE ROTATOR
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