| Patent # | Description |
|---|---|
| US-4,493,544 |
Focal-plane shutter A focal-plane shutter for a camera comprises a pair of apertured base plates disposed parallel to each other with a predetermined spacing therebetween to form an... |
| US-4,493,543 |
Device for data recording at photographic cameras The invention relates to a device for data recording at photographic cameras equipped with a separate film magazine. The device according to the invention is... |
| US-4,493,542 |
Photographic camera with handle grip A photographic camera having a configuration like a thin box comprises a camera body and a handle grip. When the camera is used, the camera body is rotated... |
| US-4,493,541 |
Apparatus for photographically producing characters or other
representations A light box is for supporting a stack of essentially transparent sheets including photo material which is insensitive to daylight and sensitive to shortwave... |
| US-4,493,540 |
Transport apparatus for microfiche cards A microfiche card storage and retrieval system comprising a carousel for storing microfiche cards, card transport means for inserting and retracting microfiche... |
| US-4,493,539 |
Method and apparatus for objective determination of visual contrast
sensitivity functions A method and apparatus for objectively determining the visual contrast sensitivity function of a human subject involves subjecting the vision of the human... |
| US-4,493,538 |
Lateral view extender device A lateral view extender device for Homonymous Hemianopsia is disclosed. The device is particularly useful with eyeglasses having a pair of lenses and a nose... |
| US-4,493,537 |
Objective lens system for endoscopes An objective lens system for endoscopes comprising a first negative meniscus lens component, a second positive meniscus lens component, a third biconvex lens... |
| US-4,493,536 |
Inverted telephoto type lens system An improved 5-component, 5-lens element inverted telephoto objective lens system is provided comprising from object to image side of a negative meniscus single... |
| US-4,493,535 |
Hybrid transmissive focalizing optical system There is disclosed an optical system consisting in a floating assembly of a glass plate and of a focalizing part or lens out of plastic material, for instance a... |
| US-4,493,534 |
Focus adjusting device for camera having varifocal optical system A focus adjusting device for a camera having a varifocal optical system includes a pivotal member having a focusing guiding slot. The pivotal member is movable... |
| US-4,493,533 |
Immersion oil containing aliphatic thio compounds Immersion oils containing aliphatic thio compounds are described. The oils have optical properties and are useful in immersion optics such as fluorescence... |
| US-4,493,532 |
Pleochroic azo dyes, a liquid crystal composition containing the azo
dyes and a display device using the liquid... Pleochroic azo dyes represented by the formula (I): ##STR1## wherein X represents group --OCOR.sup.1 or --COOR.sup.1 (wherein R.sup.1 represents an alkyl... |
| US-4,493,531 |
Field sensitive optical displays, generation of fields therefor and
scanning thereof Disclosed are field sensitive optical displays, and arrangements and methods for inducing fields in the displays and for scanning the displays. In the disclosed... |
| US-4,493,530 |
Single polarization optical fibers A single polarization optical fiber has an elliptical jacket composed of SiO.sub.2 +F.sub.2 O+P.sub.2 O.sub.5, whereby increase in transmission loss at a long... |
| US-4,493,529 |
Electromagnetic energy signal-carrying connector having secure
strain-relief mechanism An interchangeable multi-channel hermaphroditic fiber optic connector (10) for cables (12), having different numbers of optical fibers (18) and contacts (22)... |
| US-4,493,528 |
Fiber optic directional coupler Apparatus and method of manufacture for coupling optical power between two strands of fiber optic material in a given direction of propagation. The coupler... |
| US-4,493,527 |
Socket contact for electrical connectors A socket contact for electrical connectors consisting of a contact liner sleeve (16) with a rear sleeve (14) and inner and outer front sleeves (12, 10) assembled... |
| US-4,493,526 |
Jack In a jack in which a movable contact piece mounted therein is displaced by a plug inserted thereinto and a coiled spring for supplementing the resiliency of the... |
| US-4,493,525 |
Electrical plug connector and receptacle therefor In an electrical connector of the plug type and a corresponding receptacle therefor, said plug connector comprises a dielectric housing member having ... |
| US-4,493,524 |
Factory data collection terminal conduit enclosure In a computer factory data collection terminal an electrical conduit enclosure for permitting wiring to be brought up through the conduit to the factory data... |
| US-4,493,523 |
Adaptive strain relief for wiring devices A wiring device has an entry hole through which an electric cord may be passed. The device has a serrated corner positioned opposite the entry hole and a... |
| US-4,493,522 |
Sealed cable connector An environmentally sealed cable connector for terminating wire jacketed cable. The connector includes a body for receiving the cable and a gland nut for securing... |
| US-4,493,521 |
Connector holder assembly A connector holder assembly for use with a wiring harness wiring has a frame adapted to hold a connector contained with the frame by a snap-on cover. A pair of... |
| US-4,493,520 |
Electrical push-pull connector The present invention concerns a connecting device comprising a connector having an inner sleeve and an outer cylindrical sleeve sliding axially in relation to... |
| US-4,493,519 |
Adapter plug for current supply rail systems Adapter for connection to electric current carrying rails having movable contacts for the electric connection and mechanical locking means including a button... |
| US-4,493,518 |
Extractor means multi-plane interconnection system An extractor for removing connectors from high density locations is formed by a pair of hermaphroditic members each pivotally attached to the connector adjacent... |
| US-4,493,517 |
Electrical socket connector An electrical socket connector is adapted to receive a multiple-pin shrouded plug and has a body containing at least live and neutral sockets and formed with a... |
| US-4,493,516 |
Electrical ducting system A ducting system comprising ducts of mainly U-shaped cross-section with bare hollow conductors fitted at the inner surfaces thereof, which conductors are... |
| US-4,493,515 |
Multiple electrical outlet strip construction A cased electrical component, such as a multiple electrical outlet strip, has a greatly simplified construction. A single structure provides for passage of an... |
| US-4,493,514 |
Mechanism for proportionately loading dual thrust bearing assemblies
against axial thrust loads A mechanism for distributing axial thrust loads acting on a rotating shaft, ncluding dual thrust bearing assemblies concentrically mounted on the rotating shaft... |
| US-4,493,513 |
Bearing cage for retaining rolling elements At least a part of the inner face 41 of each pocket of a cage 4 for retaining and guiding rolling elements is formed to have a curvature of similar configuration... |
| US-4,493,512 |
Spherical and cylindrical bearings and method of manufacturing A bearing assembly having bearing surfaces pre-loaded towards each other, the bearing surfaces being originally made in slightly non-conforming geometry and... |
| US-4,493,511 |
Combined BC pressure-maintaining valve and quick service bulb exhaust
valve This invention relates to a valve assembly for a railway braking system, including a brake cylinder pressure-maintaining valve which, during brake application,... |
| US-4,493,510 |
Brake pressure control valve for tractor-trailer vehicles This invention relates to a brake pressure control valve and, more particularly, to a tractor-trailer control valve which includes a differential pressure... |
| US-4,493,509 |
Two-fluid nonflammable hydraulic system A relatively expensive, relatively heavy, and relatively nonflammable hydraulic fluid (chlorotrifluorethylene) is used in an aircraft ground wheel brake system... |
| US-4,493,508 |
Dual-circuit pressure control valve Dual-circuit pressure control valves are known in which the two control pistons are acted upon by a common preloading force through the intermediary of a preload... |
| US-4,493,507 |
Tilting type sunroof A tilting type sunroof comprises a roof panel supported with a lift link which is pivotally connected with a shoe. An arm of the lift link is engaged with an... |
| US-4,493,506 |
Vehicle rocker panel structure A support structure for a vehicle includes a first support member positioned below and secured to the underside of the vehicle rocker panel. In one embodiment, a... |
| US-4,493,505 |
Rear seat of an automobile A rear seat of an automobile, capable of selectively securing thereto with either one of a separate type seat back divided into two sections in the widthwise... |
| US-4,493,504 |
Carrier for transporting paintings and other substantially planar artwork A carrier for transporting paintings and other substantially planar artwork comprises a pair of generally parallel elongated support members mounted upon a... |
| US-4,493,503 |
Golf ball retriever The golf ball retriever includes an inverted, generally U-shaped frame having a pair of opposed legs connected by an intermediate reach. A pair of transversely... |
| US-4,493,502 |
Car body guard A car body guard comprising a flexible rubber strap rolled up in a housing which is mounted in one of the wheel wells of the car. The strap may be unwound from... |
| US-4,493,501 |
Security lock for sliding doors or windows The disclosure relates to a secure locking mechanism for a sliding door or window. It comprises a toggling pair of bars, one of which is attached to the door... |
| US-4,493,500 |
Dead bolt and night chain combination The sliding deadbolt of a security door lock internally mounts a latching device engageable with the coupling element on the end of a flexible guard element... |
| US-4,493,499 |
Door latch Apparatus for securing a swinging end of a hinged door in a closed position is disclosed. A slidable latch assembly including spaced rollers for engaging angled... |
| US-4,493,498 |
Knotter with an improved Geneva mechanism A knotter comprising a billhook operable to form a knot in flexible material such as twine and being rotatable through first and second cycles during the knot... |
| US-4,493,497 |
Pipe connection assembly A pipe connection assembly for connecting pipes transmitting a fluid as provided. A feature of this invention is the fact that it prevents any fluid escaping... |
| US-4,493,496 |
Continuous form multiple ply assembly This multiple ply assembly yields individual invoice/itinerary sheets and a traveler's ticket-holding folder with the invoice/itinerary information printed... |
| US-4,493,495 |
Binding unit A device for binding the marginal edge of materials is provided which takes the form of a continuous section of resilient material. The section of the device... |