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| Patent # | Description |
|---|---|
| US-3,951,580 |
Positive pressure mold In accordance with the present invention a positive pressure mold is provided wherein the mold cavity is sealed during the initial movement of the dies. The... |
| US-3,951,579 |
Apparatus for facilitating access to the mold halves of a molding machine Access to mold halves disposed on and between opposed stationary and movable platens of a molding machine is facilitated by releasing and at least partially... |
| US-3,951,578 |
Apparatus for automatically adjusting center-height of a mold and the
like used for manufacturing concrete pipes This invention relates to an apparatus for automatically adjusting the center-height of a mold and the like which are used for manufacturing concrete pipes... |
| US-3,951,577 |
Apparatus for production of metal powder according water atomizing method This invention relates to an apparatus for production of metal powders of a low oxygen content, which are preferred as raw material powders for sintered bodies... |
| US-3,951,576 |
Rotary diaphragm pump The rotation of a helix within a deformable tube which is located within and attached by the ends to a pump casing of circular cross section causes fluid to flow... |
| US-3,951,575 |
Controlled output gear pump and motor A gear pump and motor having a plurality of pumps and motors, each of which have at least three gears interengaged with one another, seal members disposed... |
| US-3,951,574 |
Reciprocating plunger type pump with stroke adjustment means A high pressure, positive displacement, reciprocating plunger type pump is provided having mechanism for infinitely variable stroke adjustment and simple fluid... |
| US-3,951,573 |
Fluid lubricated bearing construction 1. A fluid lubricated thrust bearing assembly comprising, in combination, a first bearing member having a plain bearing surface, a second bearing member having a... |
| US-3,951,572 |
Apparatus for pumping cement slurry A system for pumping cement slurry comprising two pumps connected in parallel in a piping system, each pump comprising a flexible tubular bladder connected... |
| US-3,951,571 |
Constant pressure pump A constant pressure pump in which a tube containing the fluid is squeezed between an anvil and a ram, the two surfaces of which are shaped so as to maintain the... |
| US-3,951,570 |
Pumping unit for extracorporeal haematic circulation, in particular in
artificial kidneys Pumping unit for extracorporeal haematic circulation, in artificial kidneys, comprising an adjustable speed motor arranged to drive a pair of pumps of the... |
| US-3,951,569 |
Air conditioning compressor A piston type compressor for use with an automotive air conditioning system with the capabilities of successfully operating over a wide range of ambient... |
| US-3,951,568 |
Pump check valve control apparatus A pump check valve control apparatus includes a pump for delivering a fluid to a system. A valve between the pump and the system controls the delivery of the... |
| US-3,951,567 |
Side channel compressor This disclosure relates to a side channel compressor comprising a housing defining a fluid conveying chamber, the fluid conveying chamber being of a curved... |
| US-3,951,566 |
Axial-flow fan with by-pass pipe or pipes In a method of widening the zone of stable operation of an axial-flow fan, and of attenuating noise generated thereby, a portion of the flow medium is drawn off... |
| US-3,951,565 |
High suction inducer An inducer having a generally conical hub and a plurality of blades projecting substantially perpendicular to the axis of said hub; each of said blades being... |
| US-3,951,564 |
Pipe or tube cutter for hand drills A right angular gear drive attaches directly to an electric hand drill following removal of the drill chuck. A power-operated tube cutter and burr remover are... |
| US-3,951,563 |
Manufacture of vehicle disc wheels A method of truing a spigot located disc wheel comprising clamping the wheel between two adaptors, rotating the wheel, measuring the radial displacements at each... |
| US-3,951,562 |
Expansion joint An elongated expansion joint of the kind used between adjacent slabs in a road or building construction comprises, a pair of elongated anchor elements or rigid... |
| US-3,951,561 |
Stress coining tool fastened joint A stress coining fastened joint, for minimizing stress concentration in a wall of an aperture in a metallic structural member, the tool being a rigid elongated... |
| US-3,951,560 |
Magnetostrictive fastener arrangement Magnetostrictive fastener arrangement that relies upon the fractional change in length of a ferromagnetic element under the influence of a magnetic field... |
| US-3,951,559 |
Weldment for bulldozer blades A bulldozer blade comprises a push plate having a cutting edge mounted on a lower end thereof and a plurality of structural members secured on the back of the... |
| US-3,951,558 |
Apparatus for demountably coupling two members A fastening device for two members that is particularly suited for use in the so-called "knock-down" furniture comprises a metallic insert formed with a bore and... |
| US-3,951,557 |
Dual seat ball and socket joint A dual seat ball joint having a socket housing with an interior cavity, a ball stud having the ball end received in the cavity, a load-carrying bearing having a... |
| US-3,951,556 |
Load concentrated breakaway coupling apparatus My assembly for mounting a sign post or the like on a stationary base or footing includes, in a presently preferred embodiment, a platform attached to the post... |
| US-3,951,555 |
Modular writing pen A writing pen which comprises a vacuum controlled reservoir for containing a supply of ink having a lower viscosity than conventional ball pen ink, a writing tip... |
| US-3,951,554 |
Writing appliance A writing appliance with a retractable stylus actuated into operating position by a reciprocable member against the bias of a spring. The stylus is latched in... |
| US-3,951,553 |
Apparatus for aiming a gun A spherical lens has a surface whereon a dichroic coating reflects light of known wavelength, substantially all other light being transmitted therethrough.... |
| US-3,951,552 |
Photometer-digitizer system A long exposure photometer-digitizer operative in an integration mode to receive weak illumination as from celestial observations through a telescope or from... |
| US-3,951,551 |
Apparatus for testing the front wheel alignment of automotive vehicles To test the alignment of the front wheels of an automotive vehicle, the front wheels of the vehicle are driven onto a pair of spaced, parallel rollers, one of... |
| US-3,951,550 |
Direction-sensing virtual aperture radiation detector A radiation sensor for determining a direction, relative to the sensor, in which a radiation source is located. A plurality of elongated radiation detectors are... |
| US-3,951,549 |
Transmitter-receiver system An optical transmitter-receiver system is provided which is particularly adapted for use in vehicle guidance, obstacle detection and the like. The system... |
| US-3,951,548 |
Electro-optical fourier vernier device An electro-optical device for generating data signals representing relative displacement between an aperture pattern in a reference plane and a reflective... |
| US-3,951,547 |
Chromium oxide photomask material and the production thereof A colored photomask has a glass substrate with a masking film deposited thereon formed of a non-stoichiometric chromium oxide composition produced by heating... |
| US-3,951,546 |
Three-fold mirror assembly for a scanning projection system A three-fold mirror array for a scanning projection system to permit placing the object and image of an annular reflective projection system in an orientation... |
| US-3,951,545 |
Photographic print apparatus Photographic printers of versatile character are taught. Disclosed is a printer having a lens carrier assembly which includes at least one subassembly of... |
| US-3,951,544 |
Printing paper cutting device for use in copying apparatus A printing paper cutting device to be incorporated in an electrophotographic copying apparatus employing a roll of printing paper, in which cutting device, the... |
| US-3,951,543 |
Manually operated reader-printer A system for providing a standard microfiche or similar reader with the capacity for making prints of the projected material without substantially modifying the... |
| US-3,951,542 |
Developer conveyor device A developer conveyor device comprises a rotatable photosensitive medium, a developer conveyor member disposed outwardly of the effective width of the ... |
| US-3,951,541 |
Duplicator processor Strip film of the conventional silver halide emulsion type is duplicated by optically projecting the images onto a high speed electrophotographic film in a... |
| US-3,951,540 |
Electrophotographic copier of transfer type An exposure optical system for continuously projecting the image of an original on a document table onto a moving photoreceptor includes a first carriage... |
| US-3,951,539 |
Electrostatic reproduction machine with improved toner dispensing
apparatus Toner within a cartridge is alternately aerated, and expelled from the cartridge. The toner cartridge is connected to a dispensing manifold located within and... |
| US-3,951,538 |
Permanently nipped contact image fuser system incorporating a one-way
clutch Contact fusing system for affixing powder images to copy sheets which images are electrostatically or otherwise formed on the copy sheets. The fusing system is... |
| US-3,951,537 |
Slide projector control device The lamps of two slide projectors are each supplied by the secondary winding of a transformer. Each secondary winding has a half-wave rectifier and a... |
| US-3,951,536 |
Film projection system A film projection viewing system employs a projector to receive cartridges loaded into the projector in a manner completing a light path through the projector to... |
| US-3,951,535 |
Low profile episcopic projector The design of a large copy projector is such that its projection path extends rearwardly and obliquely so that the projector and the viewing screen can be viewed... |
| US-3,951,534 |
Short throw, oblique incidence, visual transparency projector A visual transparency projector has a short throw, oblique incidence catadioptric optical system, capable of enabling (1) a viewing screen and (2) the projector... |
| US-3,951,533 |
Color image reproduction system A color image reproduction system wherein there are recorded at different angular orientations on an imaging member at least two images respectively ... |
| US-3,951,532 |
Microfiche reader employing dual incremental advancing means A microfiche reader includes first and second plates, with a plurality of light sources disposed with the first plate in an array of rows and columns, and a... |
| US-3,951,531 |
Motion picture camera with exposure time prolonging means A rotary shutter of a motion picture camera comprises a pair of fan-shaped sectors which are capable of changing the angle of opening formed thereby. The sector... |
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