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| Patent # | Description |
|---|---|
| US-4,497,547 |
Zoom lens A zoom lens comprises, in succession from the object side, a convergent first lens unit stationary during zooming and moved on the optical axis during focusing,... |
| US-4,497,546 |
Wide-field eyepiece A wide-field eyepiece comprising a first, second and third lens components, the first lens component being a positive cemented doublet consisting of a negative... |
| US-4,497,545 |
Method and device for increasing the density of a plurality of
switchable magnetic elements An improved grid pattern is shown for increasing the density of magnetic post elements, within a magneto-optic display, for example, wherein the post elements... |
| US-4,497,544 |
Optical imaging device and method An optical imaging device includes an optical device comprising means for absorbing at least one wavelength of light incident thereupon, a first layer of a first... |
| US-4,497,543 |
Liquid crystal display with colors from dye and polarizer mixed A liquid crystal display element which is composed of a TN liquid crystal cell containing nematic liquid crystal of positive dielectric anisotropy and an N type... |
| US-4,497,542 |
Apparatus for minimizing beam collimation sensitivity in optical
instruments including liquid crystal cells In an optical instrument including a birefringent liquid crystal cell of the type consisting of a pair of transparent plates and a zero-twist, nematic-phase,... |
| US-4,497,541 |
Rear viewer for automobile A rear viewer for automobile is disclosed which enables an automobile driver to see and ascertain condition at road immediate behind and below rear end portion... |
| US-4,497,540 |
Optical system Disclosed is an optical system used in a spacecraft to observe a remote surface and provide a spatial and spectral image of this surface. The optical system... |
| US-4,497,539 |
Antireflection optical coating Recently, there has been the tendency to increasingly use optical machinery and devices which utilize optical parts made of synthetic resin. Since an ... |
| US-4,497,538 |
Filled transmission cable An improved transmission cable containing a filling material having superior handling and melt point characteristics useful for waterproofing telecommunication... |
| US-4,497,537 |
Electric and/or optical cable In an electric and/or optical cable for use suspended under water at depths of at least 1,000 m or for direct burial in the ground, each core is surrounded by a... |
| US-4,497,536 |
Coupling of dielectric optical waveguides A technique for aligning and coupling dielectric optical waveguides comprises threading the end of a waveguide through the central opening of a triad ball... |
| US-4,497,535 |
Optical pulse generator A corrugated nonlinear optical waveguide converts a continuous input light beam into a train of pulses. The waveguide material is indium antimonide (InSb). |
| US-4,497,534 |
Holographic optical head A holographic optical head for imaging a laser diode for optical storage or magnetic tracking applications includes three holograms, a beam director and a... |
| US-4,497,533 |
Shielded cable system and method A shielded cable system having a connector, a shielded cable and an interface of a pressure sensitive adhesive electrically conductive performed insert which... |
| US-4,497,532 |
Heat shielded, spark plug boot assembly A heat shielded, spark plug boot assembly comprises an elastomeric boot and an electrically grounded heat shield. The heat shield has a thin inner dielectric... |
| US-4,497,531 |
Electrical connector An electrical connector housing (3, 4) is sealed at its conductor-entry face by means of a sealing member (14) which is compressed against the face and into... |
| US-4,497,530 |
Electrical connector having a coupling indicator An electrical connector comprises a connector plug part and a connector receptacle part, each part comprising a molded dielectric insert and a metal cylindrical... |
| US-4,497,529 |
Integrated circuit socket having an improved cover A connector for making electrical connections to the terminals of an integrated circuit comprises a plurality of ribs formed integrally with a ... |
| US-4,497,528 |
Avionics chassis insertion/extraction mechanism A mechanism for aiding the insertion and extraction of an avionics electronic chassis having a plurality of electrical connectors on to a mounting tray with a... |
| US-4,497,527 |
Supplementary force heat-recoverable connecting device A connecting device which includes a socket member having at least two tines, the tines having an unstrained configuration from which at least one of the tines... |
| US-4,497,526 |
Circuit board housing having self-contained modular jack Circuit board housing comprises spaced-apart panels with the circuit board being between the panels. A modular jack is mounted on one surface of the circuit... |
| US-4,497,525 |
Container, in particular for transporting freight by air A freight container is disclosed which can be used for transporting stackable items and hanging items. The container is particularly stable and features at least... |
| US-4,497,524 |
Knock-down furniture assembly A knock-down furniture assembly comprises substantially identical top frame and bottom frame members. Fasteners are coupled to the top and bottom frame members a... |
| US-4,497,523 |
Modular suspension strut bearing A unitized bearing assembly for a MacPherson suspension strut includes an inner bearing module enclosed within an outer housing module, the two modules... |
| US-4,497,522 |
Guide means for rolling elements of a ball-race device A ball-race shoe contains plural adjacent endless rows of rotating balls. Balls of adjacent rows are in mutual contact and are staggered with respect to each... |
| US-4,497,521 |
Ball-like wheel with sockets for axle The invention relates to a ground engaging member for use in hand or gravity powered vehicles such as hand-trucks, trolleys, push-chairs, bicycles,... |
| US-4,497,520 |
Rotatable cutting bit A rotatable cutting insert of the type having a shank depending from a head portion and having a hard insert mounted therein, includes an improved insert having... |
| US-4,497,519 |
Metal particle recovery at sub-surface locations Apparatus for recovering metallic particles in a sub-surface formation includes first and second ducts that extend downwardly, the first duct discharging water... |
| US-4,497,518 |
Adjustable seat structure for a motor vehicle A seat structure has an improved means for memorizing the seat position which automatically operates a latching means provided on a seat support structure in... |
| US-4,497,517 |
Motor vehicle seat A seat cushion adapted to be concealed in a back rest area of a motor vehicle seat includes a number of superimposed chambers, with the chambers being... |
| US-4,497,516 |
Sealing assembly for automotive front-pillar and side-door arrangement A sealing assembly for a front-pillar and side-door arrangement of an automotive vehicle, the pillar and door arrangement including a front pillar having a wall... |
| US-4,497,515 |
Stake-out curtains for automobiles Stake-out curtains for automobiles consisting, with respect to a window of an automobile, of a pliable sheet of one-way viewing material wound on a spring roller... |
| US-4,497,514 |
Inside-handle arrangement for an automotive vehicle door assembly An inside-handle arrangement for the vehicle door assembly has a member, for pivotably securing a handle onto a door inner panel, with a circumferential edge... |
| US-4,497,513 |
Locking device for door of cooking apparatus A door locking device for a microwave oven of the present invention has an engaging member arranged inwardly of the cooking chamber of the housing. An arm is... |
| US-4,497,512 |
Emergency release handle An emergency release handle is pivotally mounted within an interior wall of a railcar and connected to pull a cable under emergency conditions to actuate a... |
| US-4,497,511 |
Connectors for vessels or pipes Connector for vessels or pipes which includes first and second connection members (20, 60) which are clamped and sealed together. The second connection member... |
| US-4,497,510 |
Connection-disconnection device between one rigid pipe, inside
well-tubing connected to a base by an... This invention concerns the connection and disconnection of well-pipes in an articulated structure level with the articulation. The device comprises a length of... |
| US-4,497,509 |
Continuous business form for automated mailing A continuous business form for use in automated mailing systems including a single elongated ply having control punch margins on its longitudinal edges.... |
| US-4,497,508 |
Protective book cover A protective book cover includes a pair of pocket sections for removably receiving the front and back covers of a book with the open ends of the pocket sections... |
| US-4,497,507 |
Vehicle axle suspension An auxiliary vehicle axle suspension which is pivoted to the frame for up and down movement. An air bellows unit is provided to force the axle down to a... |
| US-4,497,506 |
Anti-lifting mechanism for motor vehicles An anti-lifting mechanism which utilizes a braking torque during braking of a rear wheel of a motor vehicle to prevent the vehicular body frame from being lifted... |
| US-4,497,505 |
Vehicle suspension systems A vehicle suspension system provides independent suspension for each wheel, with the load on each wheel being supported by a gas spring which has a volume of gas... |
| US-4,497,504 |
Axle alignment bushing A C-shaped bushing has a pair of spaced walls with inner and outer surfaces adapted to be inserted between the front and rear coupling members of a frame... |
| US-4,497,503 |
Hydraulic control system for vehicle A control system for a vehicle in which a vehicle operator in a first location manually turns a twist grip in one direction to exert a force on and displace an... |
| US-4,497,502 |
Recumbent tricycle A recumbent tricycle including a frame, twin rear wheels pivotally mounted to the frame and steerable by a pair of levers pivotally mounted to the frame on... |
| US-4,497,501 |
Pallet truck with hydraulic lift A pallet truck hydraulic jack has a base plate mounting a lift cylinder with a reciprocal piston or lift rod and a pump cylinder with a reciprocal pump piston. A... |
| US-4,497,500 |
Spring action ride-on toy An animal-simulating child's ride-on toy has head and foreleg members that are capable of being turned independently of the body, and has a unique suspension... |
| US-4,497,499 |
Double-cam power chuck A chuck with radially reciprocating jaws is disclosed wherein each jaw is supported on a jaw support member movable relative to a base. An actuator is axially... |
| US-4,497,498 |
Expanding-contracting gripping device for workpiece A device for releasably gripping a workpiece includes first and second axially elongated, cylindrical gripping sleeves, the second sleeve being coaxially... |
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