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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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7770479 |
Scotch yoke with anti-lash assembly
A vest for a human body has an air core coupled to a pulsator operable to subject the vest to pulses of air which applies and releases high frequency pressure forces to the body. The pulsator has...
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7640778 |
Servo drive system and continuous working system of press machine
A servo drive system of a press machine includes a ram, an operation shaft which vertically moves the ram, and a servo motor which operates as a power source of the ram and which generates ram...
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7533589 |
Motion converter
Provided is a motion converter which comprises a housing, a cam plate reciprocal to the housing, a lower link and an upper link. The cam plate has a groove which extends diagonally across the width...
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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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7363713 |
Reciprocating power tool
It is an object of the present invention to provide a useful technique for effectively reducing vibration in a reciprocating power tool with a simple structure. According to the present invention,...
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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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6899260 |
Nailing gun
The nailing gun uses a motor as a power drive to rotate a drive gear wheel and a driven gear wheel, causing the drive gear wheel and the driven gear wheel to alternatively move a slider from 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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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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6398618 |
Motorized transmission for imparting motion to a display
A toy consists of a base, a cap and a toy model. The base has stationary wheels and a movable wheel located on the bottom section thereof. The movable wheel may be driven through a gear set by...
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6370781 |
Reciprocating tool
A reciprocating tool includes a rotatable drive gear. A pin connected to the drive gear is eccentric with respect to an axis of rotation of the drive gear. A plunger extending perpendicular to the...
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6264211 |
Reciprocating saw attachment for electric drill
A universal, quick connect, reciprocating saw attachment for electric drills is disclosed, designed as an adapter that converts a power rotary drill into a reciprocating saw. The present invention...
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6131498 |
Reciprocating knife cutter, a cutting apparatus including such a cutter, and a knife sharpener for a cutting apparatus
A reciprocating knife cutter for performing a cutting operation on sheet material is provided wherein the knife is not limited to reciprocation along a vertical axis. The cutter includes a guide...
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6000264 |
Driving mechanism for moving a cutter or pitch control rod in a spring forming machine
A spring forming machine includes a machine frame, a movable member, and a driving mechanism. The driving mechanism comprises a slide plate seat, a slide plate and a cam wheel. When fitting an...
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5865060 |
Interconnecting mechanism
A mechanism for interconnecting a rotary component (40) and two members (25, 26) linearly reciprocable at 90° to each other in respective bores (16, 18, 17, 19) in a housing (15). The first rotary ...
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5813281 |
Device for reducing torque variations for use in drive apparatus
A device for reducing torque variations for use in a drive apparatus which has a drive shaft for causing a lift unit to perform one cycle of up-and-down movement for each of at least two lift units...
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5751587 |
Method for creating a conjugated profile corresponding to a conjugate surface in a motion conversion device
A method of creating a conjugated surface for use in a motion conversion device for converting linear motion into circular motion or vice versa through the use of an axially movable...
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5640881 |
Motion converter with pinion sector/rack interface
A device for translating rotary to linear motion and vice versa includes a reciprocating linearly moving shuttle with a central aperture. The aperture has a pair of opposing gear racks protruding...
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5639226 |
Portable, battery operated air pump
A portable, battery operated air pump comprising a battery power supply, an electric motor having a drive shaft, a drive wheel affixed to the motor shaft, a driven wheel mounted on a pivot pin and...
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5611246 |
Variable angular velocity coupling for reciprocating devices
Apparatus for providing a variable angular velocity coupling between an input shaft (52, 78) and an output shaft (71, 138) includes a fixed frame (72, 74, 76); a first hearing (80) for mounting the...
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5575173 |
Conjugate drive mechanism
A motion converter employs a shuttle movable in a reciprocating fashion along a rectilinear path and having an aperture therein. One side of the aperture is defined by a first trackable profile and...
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5546821 |
Motion arrester for a conjugate drive mechanism
A conjugate drive mechanism of a motion converter includes a conjugate driver, which is rotatably mounted on a crankpin, and a bearing conjugate, which is mounted on a linearly movable shuttle. The...
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5529467 |
Connecting rod for a multiple compressor pump
A connecting rod used for a multiple chamber compressor pump comprises a central section having in the main surface thereof an opening for receiving therein a bearing for an eccentric of the...
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5503038 |
Free floating multiple eccentric device
An apparatus for directly converting rotary motion to alternating linear motion comprising a cylindrical shaft and a first eccentric mounted on said shaft, a multiple eccentric comprised of a...
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5494135 |
Lubrication system for a conjugate drive mechanism
A conjugate drive mechanism of a motion converter includes a conjugate driver, which is rotatably mounted on a crankpin, and a bearing conjugate, which is mounted on a linearly movable shuttle. The...
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5370504 |
Ambulant reciprocating compressor having plural pressure collection chambers
A pair of oppositely directed pistons are reciprocatingly mounted in a cylinder. The cylinder is formed unilaterally with and encapsulated within a tank for receiving compressed air and has an...
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5336133 |
Oscillating mechanism for a crystal ball
This invention relates to an oscillating mechanism for a crystal ball and in particular to one including a spring device, a driving gear connected with the spring means, a driven gear engaged with...
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5212996 |
Crank drive with planetary pivot pin, favourably for piston power engines and machine tools
The drive shaft drive mechanism of the invention converts straight-line motion into rotary motion, or rotary motion into straight-line motion. The mechanism is provided with a pivot-pin connected...
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5203743 |
Ornamental carousel assembly
An ornamental carousel assembly is disclosed which simulates the movements of a full-size carousel by supporting various carousel figures that both reciprocate vertically and revolve around a...
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5110026 |
Apparatus for a stepwise advancing of a web-shaped workpiece
The crank assembly of the advancing apparatus is eccentrically supported in an intermediate shaft. This intermediate shaft is in turn supported in an oscillating slide. Accordingly, the oscillating...
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5099705 |
Hand-held reciprocating working tool
A motorized reciprocating tool unit releasably receives a saw, file or like tools and includes a counterweight unit to stabilize system operation. The is greater than a weight necessary to...
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5092185 |
Scotch yoke mechanism and power transfer system
A Scotch yoke mechanism has a yoke frame with opposed parallel tracks engaged by rollers presented by a block assembly and is arranged to transmit power between a rotating crankshaft on a crankpin...
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5078018 |
Rear wheel steering mechanism for motor vehicle
A rear wheel steering mechanism is disclosed in which an eccentric shaft drivingly connected to an electric motor includes an eccentric portion, a motion transmitting body is connected to a rod...
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5031470 |
Device for converting linear reciprocating motion to rotary motion
An arrangement for converting linear motion from a power source to rotary motion, where the power source is intended to coact with a cam in a manner to produce rotary motion, this rotary motion...
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4998411 |
External combustion engine with improved piston and crankshaft linkage
An external heat engine has a piston mounted for movement between a first upper position and a second, lower position, a heater for heating a working gas to forcibly move the piston from the upper...
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4987787 |
Transmission mechanism for music box ornament
A mechanism for transmitting the power output of a music box to an ornament supported thereon, wherein the output shaft of the music box rotates an eccentric stub that is engaged within a slide...
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4925182 |
Carousel device
A display carousel simulates the movements of a full-size carousel by supporting the carousel figures on tappet rods that are caused to both reciprocate vertically and revolve around a central...
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4872395 |
Crosshead per se, and in combination with a connecting rod assembly and a piston rod
The crosshead has a body formed of solid, metal plate, and of substantially U-shape. It comprises a pair of spaced-apart parallel limbs which are bridged between by an integral transverse member,...
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4848213 |
Reciprocating piston compressor with offset cylinder
A reciprocating piston compressor of the type having the piston fixed to the connecting rod. The centerline of the cylinder is offset from the centerline of the crankshaft in a direction which...
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4789001 |
Operating system for a valve
A control system is provided for a hydraulic actuating system having a multi-phase stepping motor with a driver therefor which supplies and controls DC current through each of the motor windings...
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4779472 |
Motion converter
A device for interconverting rectilinear and rotary motion is designed so as to reduce side thrust exerted on a frame by a slide as the slide reciprocates linearly relative to the frame and such...
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4756674 |
Reciprocating gas compressor having a split housing and crosshead guide means
The compressor has a crankcase which is horizontally separable and has piston cylinders removably coupled to opposite ends thereof. The crankcase confines a pair of tie-rod-joined crossheads...
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4672992 |
Direct drive valve-ball drive mechanism
Ball drive mechanism includes a ball-like member on an eccentric output shaft of a rotary force motor which is received in a transversely extending cylindrical socket on a valve member. The outer...
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4660283 |
Dynamically balanced apparatus having reciprocating member
A dynamically balanced apparatus having a reciprocating member includes an eccentric shaft operatively connected to a motor output shaft, and a drive member operatively connecting the eccentric...
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4641542 |
Swing mechanism for winder nozzles
A crank 6 is connected to a prime shaft 8, a differential gear unit is coupled to the prime shaft 8, nozzles 13 and 14 for passage of wires W1 and W2 for winding are mounted to a tube 12, a...
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4584889 |
Drive mechanism for occupant propelled vehicle and the like
A drive mechanism for bicycles and other devices, comprising a rotary crank shaft having radial crank arms, oscillatory guides or ways spaced from the axis of the crank shaft, crossheads shiftable...
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4576032 |
Crimping press capable of crimping terminals onto a range of wire sizes
Crimping press comprises an anvil and a die which is movable towards and away from the anvil. The anvil is moved by a rotating shaft having a crank-type coupling to the die. The shaft is capable of...
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