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8141444 |
Bearing structure for a reciprocating shaft in a reciprocating saw
A reciprocating shaft assembly in a reciprocating saw moves in a reciprocal motion and drives a saw blade via a blade holder. At least one bore is formed in an end of the reciprocating shaft...
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7811059 |
Variable angle oscillating fan
An adjusting mechanism for desired angle of an oscillating electric fan is disclosed. The adjusting knob is conveniently located about the top rear portion of the fan motor, adjacent the clutch...
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7798028 |
Transmission system
A transmission system made of gears and bearings. The system improves the efficiency of force transfer between rotational motion and rectilinear motion. To accomplish this, the gears and bearings...
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7654802 |
Reciprocating drive apparatus and method
A reciprocating drive apparatus has a driving device and a driven device, one of the devices comprising a reciprocating member mounted for movement along a longitudinal axis. At least one rotary...
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7549361 |
Vibration damping apparatus for reciprocating drive and cutting head
A vibration damping device is described that dampens vibration produced during the conversion of rotational motion into reciprocal motion. The damping is performed using a simple structure wherein...
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7516695 |
Press machine
A rotary ring (34) formed such that an outer circumference is eccentric with respect to an inner circumference is provided to an outer circumference of an eccentric drum (333) of an eccentric shaft...
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7251896 |
Hair clipper with pivot head
The clipper has a cylindrical housing including a handle containing a battery and motor and a head pivotally mounted on the handle. The head carries a stationary blade and a reciprocating blade....
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7246533 |
Reciprocating counterweight structure for a reciprocating saw
A counterweight in a reciprocating saw counterbalances a reciprocating shaft assembly adapted to hold a saw blade. The counterweight is supported for reciprocating motion by slides which ride...
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7152556 |
Linear to rotational motion converter
A mechanism or “motion converter” including cylinder, piston, yoke, 2 crankshafts and 2 gears converts linear motion of piston to rotary motion (or reverse) of crankshafts without creating the lat...
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7121074 |
Balanced epicyclic sickle drive
A counterbalancing epicyclic sickle drive has a pair of oppositely rotating weights that offset the inertial forces of the sickle during its abrupt acceleration and deceleration at opposite ends of...
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7013800 |
Mechanical press
The object of this invention is to provide a mechanical press that presents no inconvenience in press operations despite its low height, providing great stability and excellent durability. The...
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6745638 |
Device mounted onto a slider crank for generating a displacement of a part mounted onto the slide in relation to the latter
A device on a slider crank for generating a motion relative to the a slider (press ram 5) of a part (ejecting spring pin 6) mounted on the slider, wherein such motion is taken off a crankpin (1)...
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6598493 |
Multiple crank drive for working machines, in particular for diaphragm pumps
A multiple crank drive for working machines, in particular for diaphragm pumps, with a crankshaft, which is disposed in a housing and which exhibits at lest two bearings, can be driven by a drive,...
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6481345 |
Slide driving method for link type transfer press and link type transfer press
A link type transfer press is driven by continuously dwelling the slide in the vicinity of the top dead center thereof with the use of a link mechanism. With this arrangement, a motion index angle...
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6443651 |
Ramming device comprising a vibration reducing guide cylinder
A working device, especially a ramming device for compacting soil, comprises a housing which belongs to an upper mass, and has a working mass which can be linearly driven back and forth with regard...
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6371008 |
Water-raising pump
Water-raising pump for drawing water in a ground water table, which pump comprises a tube connecting the surface to the water table to be pumped, a rod carrying the pistons, which is connected to a...
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6352004 |
Working device with mass balancing at the crank mechanism
A working device, especially a ramming device for compacting soil, or a hammer, has a crank mechanism for producing a controlled vibration. The crank mechanism is coupled with a set of springs....
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6311612 |
Link adjustment member
A mechanical press having a variable drive arrangement. The press includes a link drive which drives a crankshaft. The drive altering mechanism includes adjustment means which changes the position...
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6289754 |
Drive apparatus for a forming machine
A drive unit for a forming machine, comprising a rotary drive and a knuckle-joint drive for a gear transmission operating a ram, the knuckle-joint drive being operationally connected through a gear...
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6276232 |
Stroke length regulator
A stroke length regulator of small dimensions and simple construction, provided with a cam for converting an eccentric movement into a reciprocating movement, a cylindrical body around which this...
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6240794 |
Crank assembly
A crank assembly for a piston machine having at least one piston reciprocable in a cylinder and a piston rod connecting the piston to the crank assembly for converting the reciprocating movement of...
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6210125 |
Water system with both electric motor power and manual pedal power, for a reciprocating pump
A water system includes a reciprocating pump operated by pedal and motor delivered solar power, including one-way engagement clutch elements preventing hazardous pedal movement and potential motor...
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6164147 |
Adjustable link motion press
A mechanical press having a variable drive arrangement. The press includes a main gear which drives a crankshaft. The drive altering mechanism includes a two piece crown with the main gear...
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6155136 |
Gear shaft assembly and method of making the same
A gear shaft assembly for use with a pump and a method of making the same are gear shaft of the present invention. The disclosed assembly includes a housing, a stepped shaft, and a gear...
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6112607 |
Slant hole pumping unit
A slant hole pumping unit includes a base mounting a support structure. A drive system is mounted on the support structure and is connected to a bridle strap assembly for reciprocating same. A...
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6112606 |
Piston supporting structure for stirling cycle machine
The present invention is intended to prevent vibration of a piston while reciprocating the piston without frictional contact by replacing a cross head for preventing the vibration of the piston...
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6006619 |
Internal combustion engine with improved orbital crankshaft motion converter
An engine or like apparatus includes a linear-to-rotational motion converting mechanism which emulates an elliptic trammel or ellipsogragh linkage. The apparatus includes at least one cylinder...
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6007310 |
Volumetric pump with sterility seal
A volumetric pump for administering intravenous fluids to a patient includes a first housing having an elongate cavity therein with an open and a closed end. A resilient sheet of material having a...
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6003392 |
Driving mechanism for a wave-producing ornament
A driving mechanism of a wave-producing ornament is mounted in a base of the ornament and includes a motor which rotates a disc. A connecting link is pivotally connected at a first end to an outer...
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5966997 |
Device for transmitting a linear motion with force limiter
A device for transmitting linear motion for adjustment of a wing element (4) is provided with one input part (23) and one output part (26) wherein between the input part (23) and the output part...
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5944959 |
Integral outboard bearing support for doctor oscillator
An integral outboard bearing support for a gear reducer on a papermaking machine oscillating doctor. The bearing support rotatably supports a distal end of the gear reducer's drive shaft to reduce...
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5918504 |
High torque motion converting and transmitting mechanism for an engine
A motion converting and transmitting mechanism included a reciprocal motion receiver, rotatable pinned to reciprocating arm. Rotatable pinned by a first pin to a first crank arm, and rotatable...
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5915296 |
Multi-slide machine press
In a machine press with at least three slides, the phases for the stroke of a leftmost slide and a rightmost slide are made identical. The strokes for other slides interposed between the leftmost...
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5917260 |
Electromechanical millimotor
A millimeter-sized machine, including electromagnetic circuits adapted to convert electromagnetic energy to mechanical energy, for engaging and operating external mechanical loads. A plurality of...
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5887482 |
Apparatus for mutual conversion between circular motion and reciprocal motion
The apparatus comprises a lever member having a first regulator which is provided at an end of the lever member and functions as a force point, and a second regulator which is provided at another...
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5873152 |
Alternating actuation device and needling machine provided therewith
The needling machine includes a support and a stripper defining a path for a lap. A needle board supported by sliding rods has a reciprocating motion between the represented maximum penetration...
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5836204 |
Vibration generator and machine with such a generator
A balanced vibration generator (1) for resonance-amplified operation of a machine or equipment (20) comprises at least one set of counter-oscillating masses (4, 16, 20) suspended in a spring system...
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5782132 |
Pressing machine
A mechanism for rotating a crankshaft at ununiform speeds through a main gear and a slider mechanism and a mechanism for rotating a crankshaft at a uniform speed through a main gear fixed to the...
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5772405 |
Water system with a pedal powered reciprocating pump
A water system includes a reciprocating pump operated by pedal power. The pumpstand includes a housing in which a foot pedal and a drive shaft rotate. An eccentric pin, rotating with the drive...
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5749262 |
Crank mechanism
A crank mechanism for an internal combustion engine comprises a cylinder (1), a piston (2) reciprocable within the cylinder, and a rotatable shaft (4). The piston (2) is a drivable connection with...
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5737966 |
Pressing machine with reciprocating slide
A pressing machine includes a first connection device rotatably carried on an eccentric portion of a crankshaft, a second connection means for connecting the first connection device to a moving...
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5720201 |
Pressing machine
A pressing machine is characterized by including a plurality of crankshafts supported by a frame such that their axes of rotation extend in parallel, a yoke which connects the crankshafts so as to...
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5638738 |
Air motor piston to crank linkage
An air motor for hoists and the like utilizes opposed pistons interconnected by a rigid yoke having a single pivot link for each piston pair connected to the crank by means of standard press fit...
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5631514 |
Microfabricated microengine for use as a mechanical drive and power source in the microdomain and fabrication process
A microengine uses two synchronized linear actuators as a power source and converts oscillatory motion from the actuators into rotational motion via direct linkage connection to an output gear or...
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5617759 |
Mechanism for machining and grinding tool for converting rotational movement into reciprocating movement
A mechanism for a cutting or grinding tool for converting rotational movement into reciprocating movement contains a casing, a reciprocating member mounted within the casing for receiving and...
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5572903 |
Shaker for cot, stroller and baby carriage
A shaker for cots, strollers and baby carriages has a clamping unit, a reciprocating unit, a crank unit and a power unit. The clamping unit connects the reciprocating unit via a lever. The...
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5542308 |
Crank mechanism and machines, especially engines, using same
An eccentric crank mechanism which communicates motion between a reciprocating piston and a rotary shaft comprising a crank pin having a connecting rod of the piston concentrically journaled...
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5507219 |
Fail-safe linkage for a reciprocating pump
Disclosed are a fail-safe linkage for a reciprocating pump and a method for repairing the pump following failure of the linkage. The pump linkage includes a break rod inserted between the crosshead...
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5493953 |
Cylinder and piston for compressor or vacuum pump
A cylinder and piston construction for a compressor or vacuum pump has a cylinder defined by co-axial cylinder and guideway sleeves. The guideway sleeve is larger in diameter than the cylinder...
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5467687 |
Piston compressor
The piston compressor has at least one cylinder (11) and a piston (10) guided therein in contact-free manner, which is connected via a piston rod (8) to a crosshead (6). The piston rod consists of...
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