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8176804 |
Motor actuator and opening/closing device
In a driving force transmission mechanism in a motor type damper device, when a small AC synchronous motor rotates in one direction and a tooth-missing gear part of a tooth-missing gear engages...
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7936097 |
Electromagnetic propulsion system
An electromechanical propulsion system is disclosed. The propulsion system uses magnetic propulsion and magnetic bearings to move a vehicle. The propulsion system is well suited for use on land,...
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7571559 |
Arrangements for facilitating assembly, service and maintenance of image-changing signboards
An image-changing signboard comprising an upper and a lower horizontal frame member (12, 14) having a substantially U-shaped cross-section. A plurality of vertical bar-shaped display elements...
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7155992 |
Driving force transmission mechanism and damper apparatus equipped with driving force transmission mechanism
A driving force transmission mechanism having a following rotation preventing mechanism that prevents a follower wheel from rotating together with a driving wheel in a play section is provided....
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7024740 |
Rotating table apparatus
A rotating table apparatus using a cam mechanism and having a higher precision than a conventional rotating table is realized. A rotating table apparatus having a driven shaft supported by a...
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6892608 |
Turning disc intermittent rotary mechanism
A turning disc intermittent rotary mechanism in accordance with the invention includes at least one top disc flexibly mounted to a bottom seat, wherein at the center of the top disc is provided...
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6802645 |
Escapement for timekeeper
The escapement (1) arranged between a motor gear train and a roller (2) to which is attached a sprung balance of a timekeeper, the balance being able to describe an arc of free oscillation and to...
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6745980 |
Unbalanced gyroscopic apparatus for producing unidirectional thrust
An unbalanced gyroscopic apparatus is disclosed for producing unidirectional thrust without having to interact with an external gas, liquid, or solid mass. The technique is based on the controlled...
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6736233 |
Electro-mechanical actuator for an adjustable pedal system
An actuator including a motor having a drive shaft, and a gear train coupled to the drive shaft, wherein the gear train includes a plurality of output gears and an associated plurality of output...
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6708576 |
Escapement for a timekeeper
The escapement includes first (3) and second (4) escapement wheels meshing with each other, one of these wheels being driven by the gear train. It further includes a lever (5) capable of receiving...
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6694844 |
Apparatus to recover energy through gravitational force
A gravity apparatus having a wheel-like, connected, encircling surface, includes an axially horizontal track which has an interior surface which weighted objects contact and are carried around the...
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6637290 |
Housing oscillating type cam apparatus, and work shifter using such apparatus
A housing (21) which comprises an input shaft (22) and a second output shaft rotatably supported in a housing (21), and a first output shaft (23) rotatably supported to be movable in the axial...
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6609736 |
Horizontal motor-driven lock
A motor-driven lock (2) includes a housing (3), a lock body (4), a motor (5), a transmission device (6) mating with the motor and the lock body, a lid (7), an enclosure (8), and a cover (9). The...
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6382038 |
Transmission device
A transmission mechanism for transmitting motion with a uniform speed transmission factor between first and second moveable elements comprises a set of cams adapted to rotate with the first...
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6324943 |
Indexing drive having a cam-positioning mechanism
Two cam-bearing holders of an indexing drive are bolted to opposed side walls of a housing in such a way that respective positions of the cam-bearing holders are adjustable in a plane orthogonal to...
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6295882 |
Device for operating display members at signs
In a device for operating display members (2) at signs for consecutive, repeated presentation of series of images, the members (2) are operated by a driving gear wheel (9) on a drive shaft (6)...
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6276160 |
Ice maker with a motor having gears with means to intermittently rotate a gear thereof
A motor having gears which transmit rotations of a rotor to an output shaft through a gear mechanism made of gear trains, comprises a gear mechanism provided with an intermittent rotation mechanism...
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6269568 |
Decoration with a variable billboard
A decoration with a variable billboard including a decorative hollow base seat in which an energy reserving device is disposed. The energy reserving device includes a coil spring and a handle...
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6259177 |
Motion imparting system
A motion imparting system for converting rotary motion to linear motion comprises a centrifuge. The centrifuge has a chamber. A quantity of fluid fills a portion of the chamber. A motor imparts a...
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6082206 |
Motor having gears with means to intermittently rotate a gear thereof
A motor having gears which transmit rotations of a rotor to an output shaft through a gear mechanism made of gear trains, comprises a gear mechanism provided with an intermittent rotation mechanism...
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6009773 |
Motion conversion apparatus
A motion conversion apparatus having a torque compensation device which is operable to cancel a fluctuation torque, acting on an input shaft due to an inertia load and a fluctuation torque acting...
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5979255 |
Intermittent rotary motion mechanism for use in an automotive vehicle
An intermittent rotary motion mechanism for use in an automotive vehicle includes an electromagnetic device, a member moving in response to selective energization of the electromagnetic device, an...
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5960668 |
Indexing mechanism using pairs of radially disposed rollers engaged between adjacent cam ribs
A roller gear cam index mechanism including a turret having pairs of adjacent rollers radially arranged on a circumference thereof. Each pair of rollers is engaged between adjacent ribs on a...
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5937698 |
Centrifugal propulsion system
A centrifugal force propulsion device includes an eccentric rotor rotatably mounted to a base via a shaft. The rotor has an aperture therein which is substantially larger than the shaft, such that...
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5916324 |
Stepping gear mechanism
The stepping gear mechanism is provided in particular for motion control of a machine tool turret and comprises two cam plates adapted to be driven in rotation in the same sense about an axis of...
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5906134 |
Geneva drive mechanism
A Geneva drive mechanism includes a Geneva gear having arcuate recesses and radially outwardly opening slots arranged alternately in a circumferential direction thereof, and a driving member having...
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5903114 |
Multi-functional apparatus employing an intermittent motion mechanism
A multi-functional apparatus employs a power transmission mechanism for generating intermittent motion having a specific range of motion and angular velocity profile for selectively actuating a...
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5890400 |
Apparatus for generating a propulsion force
There is provided an apparatus for developing a propulsion force in a predetermined direction. The apparatus includes an outer frame and an inner frame slidably mounted within the outer frame. The...
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5831354 |
Boot strap propulsion system
A bootstrap propulsion system is provided including a housing with a pair of elliptical track assemblies situated side-by-side within the housing and further positioned in a common plane. A moving...
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5806367 |
Intermittent indexing apparatus using cam mechanism
An intermittent indexing apparatus has a simple structure of supporting portions for bearings without requiring complicated manufacturing processes. The intermittent indexing apparatus includes...
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5791188 |
Propulsion system
A propulsion system for converting rotary motion of a pair of weighted rotor arms into linear motion includes a support frame with a drive unit mounted thereto. The drive unit includes a rotatable...
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5782134 |
Electromagnetically actuated thrust generator
A propulsion unit which converts electricity into unidirectional thrust by electromagnetically spinning an assembly of weights about a circuitous path, such that the radius of rotation for a given...
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5767633 |
Electric motor drive system
An electrodynamic motor drive system, for generating enhanced rotational output, is comprised of a pair of flywheel mechanisms that are integrally connected to an output shaft. Each flywheel...
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5737861 |
Intermittent motion gear box
A simplified gear box for intermittently displaying a number of displays on a display apparatus is comprised of a partial gear driven by a drive shaft, the partial gear cooperates with a number of...
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5692411 |
Quiet paper sorter using a collision impact reduction means
The current invention discloses methods and apparatus for quieter sorters. The quieter sorter reduces the collision noises generated by movable pins of the sorter trays and a Geneva wheel which...
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5685196 |
Inertial propulsion plus/device and engine
Devices herein described utilize vehicles that are propelled, braked, and steered by means of a process called Inertial Propulsion Plus. This consists of a "power phase" to extend the weight(s)...
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5645507 |
Continuously variable transmission system
A continuously variable transmission used for translating between rotary motions or between rotary and linear motions, for use in automotive, industrial and robotics applications, operating with...
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5605072 |
Load-isolated, single-cycle mechanism
A driven gear (3a), a gear (11a) to a rotary solenoid (15a) and an output drive gear (19a) are mounted to rotate together, preferably as one part turning on a stationary shaft (7a). The driven gear...
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5557988 |
Centripetally impelled vehicle
A centripetal impeller to impart a force and having an attachment piece defining an axis of revolution. The impeller has a movable arm pivotable relative to the attachment piece so that the movable...
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5553513 |
Mechanical motion transfer or indexing device
The apparatus of this invention consists of a housing containing 1) a "cam-motor" mechanism 2) an input shaft and 3) an output shaft that may or may not be collinear with the input shaft. The "cam...
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5546822 |
Variable speed torque multiplying transmission
An automatic transmission incorporating a means for varying the ratio of input rotational velocity to output rotational velocity. A cylinder cam is mounted on a cam driver having a helical gear...
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5497671 |
Pineapple gear and method of manufacturing the same
A gear combination is disclosed in which a spherical body has a plurality of grooves defined therein into which a pin gear enmeshes. Substantially all the pins on the pin gear engage the grooves in...
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5488877 |
Centrifugal inertia drive
Two phases of weight or mass of equal value are interconnected at a fixed distance which rotate and interact with a force retainer having a circular path. Both phases move equally but in opposite...
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5473957 |
System for generating controllable reference environment and steerable translational force from interaction therewith
A controlled translational force generating system includes a main frame, a first set of parallel eccentric mass subsystems mounted on the main frame and being counterrotatable to generate a set of...
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5455646 |
Stop-motion mechanism
A stop-motion mechanism utilizes rotational means for rotating a shaft having a thread with an alternating series of helical portions and arc portions. A follower is mounted for motion having a...
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5454277 |
Intermittent torque transmission device
In an intermittent torque transmission device, an input shaft is provided to have a cylindrical cam face. An output shaft has a wheel provided in a manner to intersect the input shaft. A plurality...
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5388470 |
Centrifugal force drive machine
The centrifugal force drive machine for generating force in a controlled direction is provided. The machine includes a machine frame having a shaft mounted thereto for rotation about its axis. The...
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5388469 |
Rotating eccentric weights vibrator system
The vibrator system of this invention provides conversion of rotary motion to an unidirectional motion and may be used to propel watervessels. The vibrator system involves a rotating vibrator unit...
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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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5372474 |
Gravity-assisted rotation device
An apparatus for gravity assisted rotational motion includes a frame and a axle supported on the frame. A plurality of hollow arms are rotatably supported on the axle. At the outer ends of each arm...
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