| Patent Number |
Title Of Patent |
Date Issued |
| 4770567 |
Roughing cutter |
September 13, 1988 |
| A roughing cutter (14) has a generally cylindrical shank (16) with a plurality of lands (22) and angular flutes (20) with resharpening lips (32) separating the lands. A plurality of straight-crested cutting teeth (24) are formed on the lands with radial relief. Each tooth has a stright |
| 4716751 |
Non-slip thread rolling dies |
January 5, 1988 |
| Thread rolling dies are disclosed which are provided with a band of roughness extending along the flanks of the thread forming grooves in the dies. The roughened bands provide traction between the blank and the dies so as to establish rolling without slippage at about the initial blank |
| 4713954 |
Thread rolling dies |
December 22, 1987 |
| Improved thread rolling dies are disclosed forming fasteners with a cylindrical threaded portion and a threaded pointed portion. Such dies provide a polished rise angle surface for forming and threading the pointed portion of the fastener so as to promote slippage between such surfac |
| 4666348 |
Cutter for thread rolling dies |
May 19, 1987 |
| Thread rolling dies for pointed fasteners having an improved working face contour which promotes displacement of blank material from the blank point area at an early stage in the thread rolling sequence to avoid excessive pressures in the die and blank at the finishing stages of the roll |
| 4660597 |
Fuel pressure regulator |
April 28, 1987 |
| A fuel pressure regulator is shown as having two distinct and variable chambers sharing, as a common wall therebetween, a pressure responsive diaphragm which controls the position of a valve actuator depending upon the pressure differential existing across the diaphragm with such pressur |
| 4648559 |
Electromagnetically actuatable fluid valve |
March 10, 1987 |
| A duty-cycle type electromagnetic injector assembly has a valve and cooperating valve seat with the valve being positioned away from or against the valve seat depending upon whether an associated electrical coil is energized; a housing generally contains the valve and valve seat, a l |
| 4637366 |
Fuel injection apparatus and system |
January 20, 1987 |
| A fuel metering apparatus is shown as having a throttle body with an induction passage therethrough and a throttle valve for controlling flow through the induction passage, a fuel-air mixture discharge member is situated generally in the induction passage downstream of the throttle v |
| 4631947 |
Thread rolling dies |
December 30, 1986 |
| Improved thread rolling dies are disclosed forming fasteners with a cylindrical threaded portion and a threaded pointed portion. Such dies provide a polished rise angle surface for forming and threading the pointed portion of the fastener so as to promote slippage between such surfac |
| 4627304 |
Linkage anti-rattle device and arrangement |
December 9, 1986 |
| A plurality of interconnected linkages are shown with a resilient clip-like member operatively connected to a first of the linkages and resiliently engaging another of the linkages so as to cause an abutment carried by the first linkage to be held in contact with the other linkage and th |
| 4620521 |
Modular, programmable high energy ignition system |
November 4, 1986 |
| The ignition system for providing spark ignition to the cylinders of an internal combustion engine includes a generator assembly adapted to be mounted on said engine. This generator assembly includes a magneto adapted to be driven in response to the operation of the engine to provide out |
| 4611093 |
Electrical bushing having a replaceable stud |
September 9, 1986 |
| An electrical bushing includes a replaceable stud which connects the electrical bushing which is mounted on the housing for an electrial distribution unit to electrical equipment located outside the housing. The replaceable stud includes a first stud shank connectable to a conductor |
| 4609062 |
Heavy-duty industrial weighing scale |
September 2, 1986 |
| A weighing scale of the type utilizing a lever assembly to transfer a load from a weighing platform to a weight indicator by way of a suspension assembly interconnecting a platform load-transmitting beam to a lever of the lever assembly, with a suspension system having a pair of parallel |
| 4599769 |
Machine with rotating cutting tool |
July 15, 1986 |
| A machine tool (10) with a rotating cutting tool (24) has a spindle assembly (20,48) mounted for rotation in a longitudinally movable headstock (18). The spindle assembly includes a spindle (48), driven by a motor (50) and an integral machining head (20) having a rotatably mounted dr |
| 4590911 |
Fuel injection valve assembly |
May 27, 1986 |
| A fuel metering apparatus is shown as having a throttle body with an induction passage therethrough and a throttle valve for controlling the flow of air therethrough; associated fuel metering and control apparatus is shown operatively connected to individual fuel injection valve asse |
| 4576033 |
Thread rolling die construction |
March 18, 1986 |
| Thread rolling dies for pointed fasteners having an improved working face contour which promotes displacement of blank material from the blank point area at an early stage in the thread rolling sequence to avoid excessive pressures in the die and blank at the finishing stages of the roll |
| 4573376 |
Method of producing thread rolling die |
March 4, 1986 |
| Thread rolling dies for pointed fasteners having an improved working face contour which promotes displacement of blank material from the blank point area at an early stage in the thread rolling sequence to avoid excessive pressures in the die and blank at the finishing stages of the roll |
| 4561158 |
Method for manufacturing a throttle-controlled induction passage assembly |
December 31, 1985 |
| A throttle controlled induction passage assembly is shown as having a body with an induction passage formed through the body and a throttle shaft extending transversely of the induction passage and carried by the body, the throttle shaft having an axis of rotation about which the throttl |
| 4556032 |
Adapter means for creating an open loop manually adjustable apparatus and system for selectively |
December 3, 1985 |
| A vehicle has a combustion engine, ground-engaging drive wheels, a power transmission for conveying power from the engine to the wheels, an induction passage for supplying motive fluid to the engine, a source of fuel, adaptive structure defining a fuel metering system communicating g |
| 4555861 |
Firing pin locking device |
December 3, 1985 |
| A semi-automatic pistol (10) has a breech-slide (14) for chambering a cartridge (32). The breech-slide carries an inertia type firing pin (18) which is displaced to fire the chambered cartridge by a hammer (26). An axially movable trigger assembly (42) functions to displace a sear (34) t |
| 4549439 |
Moistureproof load cell for food processing applications and method for making the same |
October 29, 1985 |
| A vapor and moistureproof electrical component such as an electrical load cell is formed by mixing a light oil such as mineral oil with liquid silicone gel and then curing the mixture in place to encapsulate an electrical component. |
| 4546639 |
Thread rolling dies for forming self tapping screws and the like |
October 15, 1985 |
| A method and apparatus for forming self tapping threaded fasteners having a cylindrical gripping portion and a tapered end portion with swaging lobes thereon is disclosed. The apparatus includes a pair of flat dies having a flat G-surface formed with thread rolling grooves therein to for |
| 4539960 |
Fuel pressure regulator |
September 10, 1985 |
| A fuel pressure regulator is shown as having two distinct and variable chambers sharing, as a common wall therebetween, a pressure responsive diaphragm which controls the position of a throttle valve actuator depending on the pressure differential existing across the diaphragm with s |
| 4536982 |
Cylindrical rifle handguard assembly |
August 27, 1985 |
| A round handguard assembly for a rifle barrel (18) has substantially identical bottom and top mating sections (26, 28) covering the barrel. Each section has a generally cylindrical outer shell (32) and a generally cylindrical liner (34). Each shell has a plurality of centrally located |
| 4528967 |
Apparatus for heating the fuel-air mixture being supplied by a fuel metering system for use in a |
July 16, 1985 |
| A fuel metering apparatus is shown as having a throttle body with an induction passage therethrough and a throttle valve for controlling flow through the induction passage, a fuel-air-emulsion discharge member is situated generally in the induction passage downstream of the throttle |
| 4524743 |
Fuel injection apparatus and system |
June 25, 1985 |
| A fuel metering apparatus is shown as having a throttle body with an induction passage therethrough and a throttle valve for controlling flow through the induction passage, a fuel-air mixture discharge member is situated generally in the induction passage downstream of the throttle v |
| 4509483 |
Fuel injection apparatus and system |
April 9, 1985 |
| A fuel metering apparatus is shown as having a throttle body with an induction passage therethrough and a throttle valve for controlling flow of induction air through the induction passage, first and second passages are provided with the first passage having an inlet at one end and c |
| 4508091 |
Fuel metering apparatus with multi-stage fuel metering valve assembly |
April 2, 1985 |
| A fuel metering apparatus is shown as having a throttle body with induction passage means therethrough and a throttle valve for controlling flow through the induction passage means; fuel under superatmospheric pressure is metered through a multi-stage fuel metering valve assembly and suc |
| 4502842 |
Multiple compressor controller and method |
March 5, 1985 |
| The multiple compressor controller and method accomplishes the control of a plurality of variable sized compressors in a multiple compressor distribution system to maintain system pressure at a desired level while maximizing compressor operating efficiency. Control data for use in de |
| 4493595 |
Compact multiple spindle boring head with quick change tool supports |
January 15, 1985 |
| A multiple spindle boring head including a plurality of boring spindles simultaneously radially positionable relative to a central boring head axis by a plurality of associated lead screws which are mounted for rotation but not translation relative to their respective longitudinal ax |
| 4491713 |
Power and sensing cable arrangement for electrical discharge machining assembly |
January 1, 1985 |
| A combined power and sensing cable for inter-connecting an EDM power supply and machine tool including a pair of power conducting leads (14,16), each having a non-conducting sleeve (18a, 20a) and a plurality of individual conductors (20) inside each such sleeve. A braided shield sleeve ( |
| 4483508 |
Gradient power valve assembly |
November 20, 1984 |
| A power valve assembly has a pressure responsive diaphragm acting generally in opposition to spring means for controlling the position of a related contoured valving member; when engine manifold decreases due to increasing engine loads, motion transmitting means associated with the press |
| 4480367 |
Throttle assembly |
November 6, 1984 |
| A throttle controlled induction passage assembly is shown as having a body with an induction passage formed through the body and a throttle shaft extending transversely of the induction passage and carried by the body, the throttle shaft having an axis of rotation about which the throttl |
| 4475025 |
Cycle timer circuit for electrical discharge machining |
October 2, 1984 |
| A cycle timer circuit for electrical discharge machining. Operation of the electrode is controlled by a pair of solid state timers working in timed relationship, one with the other, to provide an up time duration of greater magnitude than the down time duration. |
| 4471442 |
Modular electronic measuring and printing unit |
September 11, 1984 |
| A compact, modular, electronic measuring unit (10) constructed for enclosure within a small, portable housing (12) having a removable front wall (40) to provide access to the enclosure (28) formed within the housing (12). A measuring and indicator circuit card (60) is mounted within |
| 4471198 |
Cut-off protection system for electrical discharge machining apparatus |
September 11, 1984 |
| A programmable system for controlling machining current magnitude and reducing it in a step function as gap voltage falls indicating gap short circuit condition. A set of off-time numbers are computed and stored in an off-time counter. These numbers are recomputed each time a new on or o |
| 4466389 |
Intake-manifold |
August 21, 1984 |
| An intake manifold for an internal combustion engine, is shown as having a body, a riser carried by the body, a medially disposed wall in the riser, first and second plenum chambers formed in the riser at opposite sides of the medially disposed wall, a plurality of induction passages lea |
| 4465640 |
Adjustable choke linkage means |
August 14, 1984 |
| A carburetor situated on an intake manifold of an engine is shown having an induction passage with a choke valve therein mounted on a choke shaft which in turn has a choke control lever; a thermostatic control situated on a different portion of the intake manifold is operatively connecte |
| 4462268 |
Anti-twist throttle lever |
July 31, 1984 |
| A carburetor having a throttle valve and throttle shaft is shown provided with a throttle shaft lever which has a U-shaped portion carrying a linkage connecting member effective for connection to associated throttle actuating linkage; a sleeve-like spacer is situated about the connecting |
| 4460815 |
Current limit system and method for electrical discharge machining apparatus |
July 17, 1984 |
| A programmable system for controlling maximum machining current. A current limit is entered into the system together with the on-time and off-time desired. The system operates to use the desired on-time and current values, but the off-time will be modified depending on the maximum curren |
| 4448153 |
Water injection system for a combustion engine |
May 15, 1984 |
| An internal combustion engine is shown having an intake manifold and carburetor to which water is injected or sprayed by an electrically powered pump receiving water from a reservoir; switches responsive to engine temperature, engine oil pressure and engine intake manifold vacuum ser |
| 4443682 |
Superimposed high striking voltage power supply circuit for electrical discharge machining |
April 17, 1984 |
| A circuit for electrical discharge machining including two MOSFETS. The first MOSFET (28) has its power conducting terminals connected between the gap (20,22) and DC power supply (30). Its gate is connected to a source of variable amplitude signals (14). The second MOSFET has its power |
| 4434765 |
Fuel injection apparatus and system |
March 6, 1984 |
| A fuel metering apparatus is shown as having a throttle body with an induction passage therethrough and a throttle valve for controlling flow through the induction passage, a fuel-air mixture discharge member is situated generally in the induction passage downstream of the throttle v |
| 4434763 |
Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine |
March 6, 1984 |
| A carbureting type fuel metering apparatus has a primary and secondary induction passage into which fuel is fed by several fuel metering systems among which are primary and secondary main fuel metering systems and an idle fuel metering system, as generally known in the art; engine exhaus |
| 4434762 |
Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine |
March 6, 1984 |
| A carbureting type fuel metering apparatus has a primary and secondary induction passage into which fuel is fed by several fuel metering systems among which are primary and secondary main fuel metering systems and an idle fuel metering system, as generally known in the art; engine exhaus |
| 4433610 |
Open bolt firing mechanism for automatic firearm |
February 28, 1984 |
| An open bolt firing mechanism for an automatic firearm (10) has a reciprocating bolt assembly (20) with a sear abutment (32) which is engaged by a searing surface (46) on a hammer (36) during counter-recoil for terminating forward movement of the bolt assembly in a cocked position. A |
| 4426979 |
Electrical circuit means for manually adjustable apparatus and system for selectively controllin |
January 24, 1984 |
| A vehicle has a combustion engine, ground-engaging drive wheels, an induction passage for supplying motive fluid to the engine, a fuel metering system communicating generally between a source of fuel and the induction passage, a valving arrangement in the fuel metering system effecti |
| 4425061 |
Tool setting device for machining center |
January 10, 1984 |
| A tool setting device for a machine tool (10) having a numerical control (22) includes a gage unit (24) with a frame (26) adapted to be secured upon a slide (20) of the machine tool. A photodetector, which includes a source (96) and a receiver (98), is mounted upon the frame for generati |
| 4424784 |
Manually adjustable apparatus and system for selectively controlling the air-fuel ratio supplied |
January 10, 1984 |
| A vehicle has a combustion engine, ground-engaging drive wheels, a power transmission for conveying power from the engine to the wheels, an induction passage for supplying motive fluid to the engine, a source of fuel, a fuel metering system communicating generally between the source of |
| 4421557 |
Austenitic stainless steel |
December 20, 1983 |
| An austenitic stainless steel having good corrosion resistance, particularly in chloride environments; this is achieved by the use of a rare earth element, preferably lanthanum, singly or in combination with nitrogen, along with nickel and molybdenum at relatively low levels for an a |
| 4417816 |
Laser measuring system and method for turning machine |
November 29, 1983 |
| A laser measuring system is associated with a two axis turning machine (10), having a tool turret (12), to permit the dimensions of a machined part to be ascertained without removal of the part or workpiece from the chuck (18) of the machine. A gage head (36), which includes a retroflect |
