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7581460 |
Drive assembly
A drive assembly, particularly for driving arms around a compartment in a waste material digester, comprises a rotatable hub having an inner drive plate and a ratchet plate secured thereto for...
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7578010 |
Method for operating a pop-up cleaning nozzle for a pool or spa
A recessed incrementally rotating nozzle assembly is located in a wall or bottom surface of a swimming pool in fluid communication through a conduit with a source of water under pressure from a...
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6769323 |
Spring motor for generating electrical energy
An engine ( 10 ) which can deliver mechanical work for an extended duration in comparison to the duration of energy input into the engine. The engine ( 10 ) includes a drive shaft ( 11 ) through...
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6684724 |
Shape memory alloy step drive mechanism for providing step motion to a system
A shape memory alloy step drive mechanism includes at least one shape memory alloy element ( 1 ) with a fixed end, the other end being connected to one end of a lever (2). The lever ( 2 ) is...
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6324632 |
Processing a data stream
A method and computer for processing an incoming data stream, for example of video or audio data is described. A system memory is divided into first and second memory spaces, the first memory space...
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6227605 |
Operating system for a movable motor vehicle part
An operating system is used for hydraulic convertible top locking systems in retractable roof convertibles. A control unit has a control piston which is loaded in one axial direction by the...
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5996741 |
Pin-in-track lift system
A lift system for raising and lowering a carriage may comprise a pin-in-track position indexing apparatus having a position indexing track with first and second inclined branches and at least one...
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5953958 |
Ram drive for a cylindrical drum
An apparatus for rotating a drum employs a plurality of drive sprockets disposed about the outside surface of the drum and spaced-apart along the length of the drum. Each drive sprocket has a first...
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5823906 |
Nutation motion generator
A nutation motion generator which transforms linear motion into nutation motion. The device employs a spherical, four-bar linkage mechanism. Three four-bar linkage mechanisms are sandwiched between...
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5819586 |
Linear motion to rotary motion converter
A linear motion to rotary motion converter. A moving cam carrier reciprocates with respect to a rotating turntable having a plurality of fingers, preferably roller bearings, secured to and...
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5806404 |
Rotary piston driving mechanism
A driving mechanism transforms continuous longitudinal reciprocation of a piston in a chamber into unidirectional rotation. The mechanism utilizes a closed wave-shaped groove defined in either the...
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5562010 |
Reversing drive
A shaft is provided with a low speed oscillating progressive drive by means of hydraulic cylinders which operate a lever mechanism which may be clutched to and declutched from, the shaft. A...
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5549013 |
Stepping actuator
A stepping actuator which is simple and compact in construction, and capable of converting rectilinear reciprocating motions into stepwise rotations of a predetermined stepping angle suitable for...
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5345767 |
Vibration motor
A vibration motor comprises a first member for receiving an external vibration, a second member set to be brought into collision with the first member as a result of the receipt of the external...
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5279209 |
Rotary machine
A machine that converts between reciprocating motion of a piston and rotary motion of a shaft. The shaft rotates an integral web that carries a number of lobe wheels spaced evenly about a pitch...
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5107717 |
Camming apparatus for a rotary sprinkler
A rotary sprinkler including a stationary cylinder, one end of which is connectable to a water supply line, a central rod rotatably mounted inside the cylinder, having at least one supply duct...
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4912995 |
Thrust to torque converter, particularly for coupling a reciprocating shaft to a rotary electrical generator or the like
A rotary-to-linear mechanical motion converter has a housing attachable to a drive engine, an input shaft reciprocable to the housing and coupled directly or through a gear arrangement to a...
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4771646 |
Rotating and indexing mechanism
A rotating and indexing mechanism (10) having two spaced apart, rows of toothed profiles (48, 52) which form camming surfaces for two spaced apart rows (62, 64) of cam followers (32). The toothed...
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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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4726241 |
Continuous force and impact generator
A purely mechanical apparatus using a number of centrifugal force generating devices produces a unidirectional continuous centrifugal force on the main frame of the generator which is capable of...
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4712772 |
Power hydraulic gear
A power hydraulic gear comprising a housing (1) which accommodates a piston (3) through which a traction guide member (7) is passed, and a mechanism for alternately engaging the piston (3) with the...
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4711139 |
Infinitely variable rotary drive transmission
The present invention provides for improvements made to the infinitely variable rotary drive transmission U.S. Pat. No. 4,557,161 dated Dec. 10, 1985, having an input member and an output member...
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4534235 |
Rotary stepper actuator
A pair (20) of unidirection actuators are opposingly disposed coaxially about an elongated member (1) for controllably imparting a series of stepwise rotary movements thereto. An outer race (5)...
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4512217 |
Linear ratchet
A ratchet wrench has a member provided with a graspable handle. Two toothed racks are mounted on the member and biased to move inwardly of a slot. A socket has a pawl-like toothed portion extending...
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4506124 |
Push-push switch
A push-push switch comprises a dielectric housing in which electrical contact members are secured; contact sections of the contact members are in normal electrical engagement and terminal sections...
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4426916 |
Variable displacement motor
The present invention converts longitudinal motion into rotary motion. A reciprocating piston (that may receive a motive force from any desired means) oscillates longitudinally on a drive shaft....
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4398431 |
Mechanical power transmitting system
In a mechanical system including a rotatable drive member and a load, a power transmitting device utilizing centrifugal force is employed for connecting the drive member to the load. In the device...
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4335853 |
Motion transmission device
A linear to rotary motion transmission device comprises a reciprocal rack having a plurality of ratchet teeth engageable with flexible pawls of a rotary pinion. Reciprocation of the rack in one...
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4306368 |
Visual communications device for use by handicapped persons
A communications device including a display panel having a plurality of symbols arrayed thereon in a circle, each of the symbols indicating a particular idea to be communicated, and a pointer...
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4286707 |
Device for driving an endless chain
A device for driving an endless chain or the like, particularly, though not exclusively, a chain of the flat-link kind used in bucket elevators, the device comprising a reciprocating slipper having...
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4282720 |
Refrigerator air baffle control
A side-by-side refrigerator of the type having a single evaporator, single fan including a freezer compartment thermostat controlling operation of the evaporator and fan, and a fresh food...
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4281852 |
Motion converting system
A motion converting system is configured for operating a vehicular jacking mechanism having a jacking member and a shaft rotatable for actuating the jacking member. The system comprises a sleeve...
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4280675 |
Controllable kite
A kite that is controllable from the ground by a control cord connected to the kite. The cord is connected to a control on the kite for moving a bridle loop which repositions the location of the...
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4277224 |
Fan attachment for rocking chairs
A fan constructed according to the present invention has a base supporting a vertical tube having a movable vertical rod inside. The lower end of the rod is hingedly connected to a means for...
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4270399 |
Counter drive mechanism
A drive mechanism for converting reciprocating motion into intermittent rotary motion for use in a decimal counter or the like having an integrally molded drive member having two flexibly mounted...
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4170165 |
System for operation of gas controlled devices embodying an automatic programmable value sequencer adapted to cease operation upon the occurrence of a malfunction
The specification discloses an automatic programmable valve sequencer employing a rotatable cam cylinder operating adjacent cam valves by means of cam segments mounted thereon to directly operate...
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4165656 |
Multi-mode ratchet indexer
A multi-mode indexer having a gear wheel rotatably mounted on a base; a drive bracket assembly is rotatably mounted coaxially with the wheel shaft for reciprocal movement relative to the shaft. A...
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4026206 |
Pressing device working in continuous operation
A. The invention relates to a pressing-device working in continuous. B. The pressing-device according to the invention comprises a motor element consisting of a double-effect jack fed with fluid...
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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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3924527 |
Imprinting device with indexer
An imprinting device having a rotating member for successively imprinting different indicia on a surface, the member being rotated by an indexing device, the indexing device including a plurality...
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3868861 |
Stepping motor
A stepping motor is disclosed for use in imparting to a rotatable member an intermittent step-by-step rotating motion by means of a linearly reciprocating driving member. The driven, rotatable...
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3848514 |
FLUIDICALLY CONTROLLED PNEUMATIC TO MECHANICAL CONVERTERS
A device for converting the output of a fluid amplifier into rotational manical energy. Ratchet teeth are arranged upon both internal ends of a cylinder for engagement with ratchet teeth provided...
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3550477 |
DRIVE MECHANISM
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3540299 |
ROTARY MOUNT
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3535945 |
FLUID DRIVE FOR HIGH INERTIA LOADS
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3530346 |
ELECTROMAGNETICALLY DISPLACING A SHAFT IN STEPWISE INCREMENTS
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3477301 |
DEVICE FOR DRIVING A WORKING MEMBER OF ROTARY TYPE IN A MECHANIZED DRIFTING SHIELD
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3455176 |
DRIVE SYSTEM FOR ROTATING EQUIPMENT
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3436976 |
STEPPING MECHANISM
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