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7406887 |
Pumping unit with variable work stroke and return stroke torque factor characteristics
A pumping unit system having vertical sampson post, a walking beam pivotally supported at the upper end of the sampson post and a horsehead affixed at a forward end thereof that supports a...
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7334514 |
Balanced fluid-powered modular actuation system
This invention provides a modular, efficient and self-feedback/balance, fluid-powered actuation system. This system comprises two basic modules; actuation module and positioning module, which are...
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6647815 |
Slide positioner
A slide positioner for moving a structural member from an inoperating position to a working or operating position has a square shaft for supporting the structural member. Two bearing assemblies are...
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6419420 |
Vibrating tamper having a single control lever
The invention is directed to a vibrating tamper having a single control lever. The single control lever ( 4 ) can be set by an operator to any one of three releasably fixed positions with a...
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6386322 |
Method and apparatus for oil well pumping
A walking beam pumping system is disclosed wherein the pumping system's prime mover is gravity. In one embodiment, the system comprises a walking beam pivotally coupled to a support structure at a...
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6158720 |
Anti-backlash nut assembly
An anti-backlash nut assembly (10) has a first part (12), a second part (14), and at least one drive pin (16) to rotationally couple the second part to the first part while permitting axial...
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6115909 |
ZIF PGA socket tool
A ZIF PGA socket tool (42) for releasably coupling a pin grid array (PGA) chip (22) with a "latch-less" zero insertion force (ZIF) socket (20) includes a housing (44), a sled (46), and an actuator...
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6108979 |
Vehicle handle linear pull action
A handle assembly for a motor vehicle door operative for selectively releasing a latch mechanism. The handle assembly includes a mounting portion attached to the motor vehicle door and a handle...
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5966987 |
Controlling device of tunable filter
A controlling device of a tunable filter includes a base, a tunable filter on the base along an optical path between first and second optical fibers, a holder rotatably installed on the base to...
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5934436 |
Actuator mechanism for a transmission parking pawl and selector valve
A power transmission has a parking pawl which is engageable with a toothed member on the transmission output shaft to prevent rotation of the output shaft when the parking pawl is set. The pawl is...
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5855365 |
Engine clamping apparatus
An engine clamping apparatus is provided for firmly fixing engines having different fixing points. The invention includes a cylinder serially accommodating an upper and lower piston for providing a...
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5819589 |
Bicycle brake operating device
A brake operating device includes a bracket for attachment to the bicycle, an operating lever pivotally supported on the bracket about a pivot point, and a guide having a path that extends toward...
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5818689 |
Computer Assembly with cam member for locking components
A computer includes a base unit and an upper unit which encloses all electronic components of the computer, such as an LCD display, system board, various drives, sound card, speakers, and modem....
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5711496 |
STOL aircraft and wing slat actuating mechanism for same
A short take off and landing (STOL) aircraft is optimized for STOL performance and flight at minimum airspeed. The aircraft includes leading edge wing slats that are extended and retracted under...
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5706672 |
Air conditioner
An air conditioner of the invention is formed of a main body in a box form with a partition panel for dividing indoor and outdoor heat converter rooms, a base holder situated in the main body under...
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5626054 |
Load decoupler
Device for absorbing lateral forces generated as a result of a linearly reciprocating pin causing rotation of a scotch yoke, the device including a guide block guided along a guide rod, the guide...
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5593204 |
Guide rocker (or crank) for a sliding cover of a sun roof for a motor vehicle
A guide rocker (5) for actuating and for controlling displacement of a slide cover of a sun roof for motor vehicle, which is characterized by being formed as a laminar, usable on both side,...
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5488860 |
Apparatus for determining the position of a piston in a fluidic actuator
Apparatus for determining the position of a piston in a hydraulically or pneumatically operated actuator including a fixed position, rotatable shaft having a pair of attached pins, each pin off-set...
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5381705 |
Rear wheel steering apparatus for four-wheel steering vehicle
A crank spindle formed with an eccentric pin at one end thereof is pivotally supported by bearings within a casing. The crank spindle is driven by a motor and a worm mechanism. A cross pin member...
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5369837 |
Windshield wiper arrangement with an arm of variable active length
The invention concerns a windshield wiper arrangement including a windshield wiper arm (2) the active length of which varies in the course of the sweeping movement, characterized in that it...
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5347424 |
Tilting mechanism having rotatable extension, for information inputting apparatus
A first shaft 2a and a first guide portion 2c are provided on a rear side portion 2 of an information inputting apparatus. The first guide portion 2c advances in a direction spaced away from the...
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5295405 |
Device having a plate with multiple cooperating moving parts injection molded thereon
A technical device, in particular an electromechanical running gear for the movement of information carriers, such as magnetic tapes or discs, having a carrier plate (1) made of metal at which...
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5286935 |
Self-locating, prepositioning actuator for an electrical switch enclosure
An actuator means for an electrical switch concealed in a housing and operated by a handle externally mounted to the cover thereof, whereby, upon closing the cover, the actuator automatically moves...
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5131485 |
Steering apparatus for steering rear wheels of automotive vehicle
An apparatus for steering rear wheels of a four-wheel steering vehicle is provided. This apparatus includes a first housing which has an operating rod displaceable along the longitudinal center...
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5125307 |
Cropping mechanism for surface mount placement machine
A cropping mechanism for a surface mount machine is disclosed which cuts the feed tape supplying electronic components. The displacement of an actuator in one direction between end positions cycles...
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5115838 |
Drive system for the knife grids of a double-lift jacquard machine
Drive system for the knife grids of a double-lift open-shed Jacquard machine, which is mounted entirely above the Jacquard machine, and which comprises a central drive shaft which at both ends...
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5106052 |
Air damper apparatus
Provided is a damper for controlling air flow through an air duct. The damper includes a mounting fame secured to the interior of the duct which has a circular opening for air flow therethrough...
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5102050 |
Divergent flap actuation system for two-dimensional convergent - divergent turbojet exhaust nozzle
A pair of linear actuators is disposed within a gas turbojet engine exhaust nozzle for actuating a pivotable truss frame which in turn actuates a divergent flap. One end of each actuator is...
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5088365 |
Notching apparatus for a double cut die set
A cut-off die set of the double cut type, in which sections of tubing are successively severed from a length of tubing, utilizing a notching cut followed by a severing cut. A rack and pinion...
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5029822 |
Device for adjusting the inclination of the backrest of a seat
A device for adjusting and locking the inclination of the backrest of a seat, for example an aircraft seat, comprises a gas compression spring which acts between the back rest and the frame of the...
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5024416 |
Valve actuator
The problem of providing a very compact and simple actuator system (10) for a rotary valve (40) operated by a rotatable shaft (44) and effecting a specific valve program to select a desired flow...
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5000077 |
Enclosed adjustable servo-actuator
An enclosed adjustable servo-actuator is provided. This servo-actuator includes an elongated hollow cylinder; a first closed end member; a second closed end member; a through passageway is provided...
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4976403 |
Valve with metallic bellows valve stem seal
A fire-resistant valve 10 with a valve stem 40 mounted for linear motion through a valve stem bore 41 in the valve body 12 and connected to a valve element 20 by a connection means which effects...
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4932631 |
Apparatus to transmit drive force between two components
This invention provides an apparatus for transmitting a driving force between two components. The apparatus utilizes a cover rotatably mounted in a housing such that, as a result of engagement...
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4901589 |
Drive and positioning system for a slide
Device for transforming a rotary movement of a drive element eccentrically arranged about a rotary spindle into a linear movement of a slide means with an assured guidance during the linear...
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4882942 |
Steering wheel attachment for radio control devices
An attachment for use in conjunction with radio control transmitters, especially for use with model cars, which has a steering wheel and a fork-shaped lever extending therefrom. The lever is...
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4858735 |
Stationary pivot mechanism for use with a damper
An improved pivot assembly operable on an air flow controlling disk, initially to move the disk from a closed position over a damper opening to an intermediate open position away from the opening...
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4846715 |
Postage meter voice coil motor printwheel setting assembly
A voice coil motor assembly for a voice coil motor printwheel setting apparatus comprises a plate having the voice coil motor coils mounted thereon. The plate is adapted for attachment to a printed...
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4825714 |
Pivotal micromotion device
A pivotal micromotion device includes a straight movable body, a pivotal body, and, a mechanism for transmitting and transforming a straight motion of the movable body to a pivotal motion of the...
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4813133 |
Apparatus for a medical treatment preparation procedure
An improved method and apparatus for preparing a body site prior to the application of medical treatment at the site is disclosed. The apparatus and method provide for the use of a hand-held,...
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4795525 |
Lever-actuated compound slide support for a labeling machine
The invention relates to a labeling machine for receptacles comprising a labeling unit which is disposed on a compound slide comprising an upper carriage part and a lower carriage part. The upper...
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4762013 |
Reciprocating device for spray coating
A reciprocating device for spray painting an object includes a plurality of mounting arms each having one end releasably retaining a spray painting device and an opposite end releasably coupled to...
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4741219 |
Coupling for coupling a driven element to a driving element said elements following different displacement trajectories
The coupling between a driving element (belt 1a) and a driven element (arm 7) is provided by a finger (6) sliding in an oblong opening (5a, 5b) through a coupling part (2) in the driving element,...
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4722327 |
Therapeutic apparatus
A therapeutic apparatus for relieving sexual frustrations in women without sex partners which includes a generally rectangular, substantially flat, platform with a pair of longitudinal rails...
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4712437 |
Gear for transforming rotary motion to reciprocatory motion
In a gear for the transmission and/or transformation of the changing or alternating rotary movement of a drive, a cam plate is associated with the latter and has a guidance channel for receiving...
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4704912 |
Sliding crank actuator
A sliding crank actuator for rotating an axle connectable to the actuator, the axle being provided as part of a system external to the actuator. The axle is rotatable in the external system about...
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4693128 |
Apparatus for converting linear motion to rotary motion
This is a system of providing lateral support to the block of a Scotch Yoke mechanism. The Scotch Yoke mechanism is useful in operators or devices which translate linear motion to rotary motion....
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4660428 |
Drive train system
A drive train system for rotating an axle in an external system about an axis which is perpendicular to a driven shaft. The driven shaft has a drive screw thereon and is rotatable about a fixed...
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4659138 |
Device for fastening a motor vehicle window, especially a windshield or a rear window
A device for fastening a motor vehicle window is detachably connected to the body frame of a motor vehicle. The device is composed of a holding plate attached to the body frame, and a supporting...
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4651584 |
Coupling arrangement between a linear control element and a pivotable element, especially a control surface
A coupling arrangement between a linear control element and a pivoting element, especially for an aerodynamic control surface of a guidable missile. The coupling arrangement has the pivoting...
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