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| Number | Title | Issue Date |
| 4901611 | Apparatus and method for cutting mults from billets A method and machine for cutting precise sized mults from billets of a nickel based alloy, which involves rotating each billet by means of a chuck while the billet is supported on rollers coaxially in the chuck; providing a track parallel to the billet ax... | 02/20/1990 |
| 4901612 | Band saw apparatus and method with pressure controlled feed Band saw apparatus is disclosed which includes cutting enhancement apparatus formed for tilting of the cutting stretch of the band saw blade to vary the force per unit area of the cutting edge of the blade on the workpiece. The cutting enhancement apparat... | 02/20/1990 |
| 4901613 | Drive link for saw chain A saw chain with drive or center links which have portions projecting downwardly in the chain bottomed by a pair of spaced prongs. These produce a clearing action of debris that may collect in a saw bar groove receiving the prongs. The prongs are separate... | 02/20/1990 |
| 4901614 | Keyboard apparatus of electronic musical instrument A keyboard apparatus of an electronic musical instrument includes keys, mass members, and springs. Each key can pivot about a first pivot fulcrum. Each mass member can pivot about a second pivot fulcrum. Each spring supplies a biasing force to at least th... | 02/20/1990 |
| 4901615 | Electronic musical instrument A double buffer system of a small storage capacity is employed for reducing the noise generation in musical waveforms. The operations of the buffers are utilized for performing an interpolation between waveforms and between successive sample points of eac... | 02/20/1990 |
| 4901616 | Electronic musical instrument with delay trigger function In playing a music, the present electronic musical instrument stores a code for a performance event and data of generation time length until a presently-specified performance event is regenerated, in a sequencer memory. For each playback access to this se... | 02/20/1990 |
| 4901617 | Hand-held percussion instrument A hand-held percussion device which can make different sounds when shaken, struck, or scraped is now available. The device comprises a frame that is made of two sound boards interconnected and separated by a top block on one end and joined on the other en... | 02/20/1990 |
| 4901618 | System for facilitating instruction of musicians A system for facilitating instruction of musicians in playing of a stringed musical instrument of the type having a plurality of strings and a plurality of frets such as a guitar. The system includes means for producing signals representing musical notes ... | 02/20/1990 |
| 4901619 | Shaped charge with barrier produced in situ In the inventive shaped charge, the main charge and the propagating charge are held together solely by the barrier. This union is possible (and is distinguished by pronounced freedom from flaws) because the barrier is produced directly in the cavity in wh... | 02/20/1990 |
| 4901620 | Electromagnetic launcher systems for penetrators and larger caliber projectiles An electromagnetic launcher system for small diameter high velocity penetrator projectiles and larger diameter, slower projectiles is provided with a single high current pulse power supply. At least two bores of substantially different cross section are c... | 02/20/1990 |
| 4901621 | Superconducting projectile for a rail gun and the combination of a rail gun with a superconducting projectile A rail gun projectile includes superconducting material. Current from a DC power supply flows between the rails through the superconducting material with a component at right angles to the elongated direction of the rails. The superconducting material is ... | 02/20/1990 |
| 4901622 | Armour constructions A reactive armour construction comprises a rigidly fixed outer layer and a relatively loosely fixed inner layer mounted on a structure to be protected in such a way that when a projectile penetrates at an oblique angle the outer layer and is incident upon... | 02/20/1990 |
| 4901623 | Compensating device for gas actuated firearms An autoloading shotgun having a receiver, a barrel projecting from the receiver, a magazine tube supported on the receiver in parallel relation to the barrel, a generally cylindrical gas cylinder mounted in fixed position relative to the barrel and coaxia... | 02/20/1990 |
| 4901624 | Hydraulic driving device A hydraulic driving device includes a working cylinder for moving a machine component, and an electro-hydraulic servo system. The servo system includes a servo-valve, a position-error control, a circuit for emulating speed and acceleration of the working ... | 02/20/1990 |
| 4901625 | Apparatus and method for positioning equipment A system for positioning equipment quickly and accurately over a plurality of desired positions by employing a "long move" mode of operation and a "short move" mode of operation to adapt the operation of the positioning system to variable and changing con... | 02/20/1990 |
| 4901626 | Hydraulic power booster The invention relates to a hydraulic power booster, in particular for the actuation of a master cylinder in a hydraulic brake system for motor vehicles. The booster comprises a pressure fluid source, a control device for the control of the pressure level ... | 02/20/1990 |
| 4901627 | Hydraulic idling-regulating valve A hydraulic idling-regulating valve comprising at least two mechanically operated through-flow valves which can be controlled to move alternatively into a flow position and a closure position and which are both closed in a neutral central position. An ele... | 02/20/1990 |
| 4901628 | Hydraulic actuator having a microwave antenna A microwave method and apparatus for detecting the position of a piston of a pneumatic cylinder. While the piston is being moved by fluid pressure a microwave signal is applied to a cavity defined by the piston and interior of the cylinder and the reflect... | 02/20/1990 |
| 4901629 | Sealing arrangement FIG. 1 shows a sealing arrangement which includes a mushroom-shaped piston is driven to reciprocate in a cylinder by an annular driving part extending around its stem. The driving part forms the "rotor" of a linear electric motor, the "stator" of which is... | 02/20/1990 |
| 4901630 | Dual chambered beverage brewing system This invention provides a beverage brewing apparatus having a water containing lid which divides a flow of heated water into two measured portions. This lid enables collection of heated water from various sources including an electric drip coffee maker, a... | 02/20/1990 |
| 4901631 | Toaster A toaster for heating both a frankfurter and a frankfurter bun is disclosed. The toaster has a frankfurter heating chamber having associated first heating elements for heating at least two opposed surfaces of a frankfurter placed in said frankfurter heati... | 02/20/1990 |
| 4901632 | Three-phase process and machine for cooking foods as dry pasta, rice, legumes and the like The invention relates to a new process for the quick cooking of foods such as pasta, rice, legumes and the like, and the automatic machine to carry it out. The process comprises three phases, namely pre-cooking, cooking and final cooking starting with ove... | 02/20/1990 |
| 4901633 | Rotating oblique basket frier for cyclic immersion cooking A deep fryer apparatus particularly suitable to home use with a rotatable basket rotating within tray. Both the basket and the tray can be removed from a fixed tray within the housing. The axis of rotation of the basket is greatly inclined with respect to... | 02/20/1990 |
| 4901634 | Vacuum seasoning device This invention relates to a vacuum seasoning device, which is compact in size and simple in structure, and comprises a main body casing which contains a vacuum pump mechanism consisting of a piston, cylinder, and the like arranged horizontally; and said m... | 02/20/1990 |
| 4901635 | Apparatus and method for the continuous extrusion and partial deliquefaction of oleaginous materials An extruder for treating high-oil-content material such as certain oilseeds, is used to prepare the material for later solvent extraction of oil from the material. The extruder has an elongate barrel and a rotating wormshaft therein which advances the mat... | 02/20/1990 |
| 4901636 | Spindle press A spindle press comprises a housing with a circular cylindrical upper part and a lower part. A press spindle, which is drivable in a rotating manner via a drive pipe by a drive arrangement, is supported in an upper bearing and a lower bearing of the housi... | 02/20/1990 |
| 4901637 | Equipment in the system of rolls in a supercalender The invention concerns an equipment in the system of rolls in a supercalender for equalizing the profiles of linear loads between the rolls. In the normal way, the system of rolls comprises an upper roll, a lower roll, several intermediate rolls placed be... | 02/20/1990 |
| 4901638 | Painter's cap printing A method and apparatus for silk screen printing the tops and fronts of completed painter's cap. An oval-shaped platen is dimensioned so that a painter's cap fits over it, the bottom of the top portion of the painter's cap engaging the platen and held to t... | 02/20/1990 |
| 4901639 | Apparatus for adapting a single sheet feed offset duplicator to print on continuous form paper A mechanical apparatus for modifying an individual sheet feed offset duplicator to print impressions on continuous form pre-punched and perforated paper. A first tractor module is attached to the input of the duplicator for delivering the paper into the d... | 02/20/1990 |
| 4901640 | Oscillating form roller dampener An improved structure for supplying dampening fluid to a lithographic printing press which structure includes a form roller for passing fluid to the plate cylinder and means mounting the form roller for simultaneous contact with the water drum and the pla... | 02/20/1990 |
| 4901641 | Printing press A printing press unit for a printing press system which has a main frame with an impression roller mounted for rotation on a first axis characterized by a sub-frame being mounted for pivotal movement around a second axis and supporting a printing cylinder... | 02/20/1990 |
| 4901642 | Consumable wafer igniter An igniter for high-performance rocket motors having a full head-end web of propellant in the forward end of the motor includes a shallow cup-shaped fiberglass reinforced urethane container, dual rubber orifice arrangement in a plurality (12) of periphera... | 02/20/1990 |
| 4901643 | Pyrotechnic fuze for projectiles A pyrotechnic fuze for projectiles, rockets, bomblets and mines, which is basically a pyrotechnic self-destruct device, in which a triggering device for a pyrotechnic delay arrangement is arranged within a housing. The triggering device consists of an ign... | 02/20/1990 |
| 4901644 | Lane marker An apparatus for marking safe areas in an explosive hazard environment such s a minefield. The marking apparatus is carried and deposited into a minefield with explosive cloud forming fuel. When the explosive cloud is set off, mines under the cloud are exp... | 02/20/1990 |
| 4901645 | Inertial projectile having a breakable pre-penetrator An improved inertial projectile arrangement including a subcaliber projectile penetrator which is composed of a prepenetrator portion with a nose point and a main penetrator portion. The penetrator has a large length/diameter ratio and a high density. A s... | 02/20/1990 |
| 4901646 | Fin-stabilized subcaliber projectile The invention concerns a fin-stabilized discarding sabot projectile for employment from a rifled barrel and is particularly suitable for automatic cannons having calibers from 12.7 to 70 millimeters. The full rate of spin commensurate with the rifling twi... | 02/20/1990 |
| 4901647 | Motorcycle maneuvering device The maneuvering device of the invention is designed to enable a motorcycle rider to handle his machine in limited storage space. Primarily, it consists of a platform supported on a center swivel that enables the rider to rotate the platform to any desired... | 02/20/1990 |
| 4901648 | Trolley braking method and apparatus for use with conveyors A weight bearing trolley moves along a track having flanges between which a guide wheel of said trolley is positioned. The movement of the trolley is monitored to determine when braking is desired and, when desired, pressure is applied to said guide wheel... | 02/20/1990 |
| 4901649 | Span bolster assembly A span bolster, for carrying a heavy load of a railroad car body and distributing the load to two four wheel two axle railroad bogies or trucks, is fabricated from steel plate and has top and bottom cover plates, top and bottom reinforcement doubler plate... | 02/20/1990 |
| 4901650 | Industrial pallet having upward extending support posts and locking means An industrial pallet is constructed and arranged to support a vertical stack of scaffold end frames on the pallet's rectangular, horizontal support platform. Upwardly extending channel-iron members are rigidly secured adjacent the back edge and the two si... | 02/20/1990 |
