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| Number | Title | Issue Date |
| 5262843 | Processing arrangement for optical rate sensor An optical rate sensor (300) is disclosed for use in inertial reference systems to measure rates of angular rotation with substantially high resolution and sensitivity. The sensor (300) comprises a passive ring Sagnac interferometer (302) with a multiturn... | 11/16/1993 |
| 4854409 | Lift axle control system A control system for a lift axle suspension wherein two or more axle suspensions are mounted on a vehicle frame and a liftable axle is automatically raised or lowered depending on the load on another of the axle or axles. An override to the automatic lift... | 08/08/1989 |
| 4837718 | Doppler radar method and apparatus for measuring a projectile's muzzle velocity A muzzle velocity chronograph method and apparatus for providing an accurate and precise measurement of the muzzle velocity of a projectile ejected from a gun. A conventional radar Doppler signal is sampled and digitized and arranged in a succession of gr... | 06/06/1989 |
| 4759296 | Ironing board An adjustable ironing table (10) includes a top board (12) and collapsible legs (22,24). A housing (46) has a vertical wall (48) extending perpendicularly relative to the top board (12) and a horizontal wall (50). The vertical wall (48) includes an openin... | 07/26/1988 |
| 4740963 | Voice and data communication system A telephone communication system for transmitting and receiving both voice signals and digital data signals, with no significant distortion to the voice signals and with substantially higher digital data rates than previously could be obtained in comparab... | 04/26/1988 |
| 4736958 | Air suspension system with automatic air exhaust and inflation An air control system for an air suspension which supports a vehicle body on an axle having ground engageing wheels. A control valve mounted adjacent a door of the vehicle is operated by opening the door to dump air from the air springs and to deactivate ... | 04/12/1988 |
| 4729579 | Axle lift mechanism with spring cup wear plate An axle lift mechanism for use in a vehicle having a suspension system which is mounted to the vehicle for movement between a load-bearing and nonload-bearing relationship. The lift mechanism has a toggle linkage pivotably coupled to the frame and to the ... | 03/08/1988 |
| 4726571 | Height control valve with spring return actuator A height control valve with a spring return actuator for use in an air spring suspension has a damping chamber, an air control chamber and an actuator controlled spring return housing with mutually perpendicular lateral and axial bores. An actuator shaft ... | 02/23/1988 |
| 4712584 | Surge suppressor A surge suppressor for dampening undesired pressure surges in a fluid handling system and using a tubular, elastomeric diaphragm disposed in a hollow chamber of a housing to separate the chamber into two isolated zones, one being exposed to the fluid exhi... | 12/15/1987 |
| 4700968 | Liftable axle with load control A load control (24) for a vehicle (10) having a frame (14), a load-bearing body (12) mounted on the frame (14) and rear wheel-bearing axles. The rear wheel-bearing axles support the frame (14) through suspension systems. The load control (24) selectively ... | 10/20/1987 |
| 4694703 | Circumferentially oriented flexure suspension A two-axis, monolithic, flexure hinge suspension system for an accelerometer or gyroscope has first, second and third cylindrical portions which are slightly axially spaced from each other along a common axis and are connected by pairs of flexible hinges ... | 09/22/1987 |
| 4693486 | Trailing arm suspension with wrapper compression axle mounting A vehicle suspension system for mounting ground-engaging wheels to a vehicle frame where two arms are secured to opposite sides of the frame and a wheel-carrying axle is suspended between the arms. The axle is secured to the arms by a wrapper plate partia... | 09/15/1987 |
| 4692199 | Method and apparatus for bonding fabric to a foam pad A vacuum (15) as applied to a porous contoured mold (18) for drawing an impervious adhesive film (16) against a cloth fabric layer (14) to conform the cloth fabric layer (14) to the contours of the mold surface. A matching cellular foam cushion pad (12) i... | 09/08/1987 |
| 4664444 | Seat assembly having adjustable thigh support A seat assembly (10) comprising a seat portion (12) and back rest (14) supported on a seat frame (30) with a thigh support (26) movably supported forward of the seat portion (12). The thigh support (26) includes a support portion (42) extending from the s... | 05/12/1987 |
| 4634141 | Axle lift mechanism An axle lift mechanism (100) is used on a vehicle having a normally lowered axle/wheel assembly to automatically lift and maintain the assembly in a raised position when the vehicle is not heavily loaded. A trailing arm (62) connected to the vehicle axle ... | 01/06/1987 |
| 4631228 | Method for making a porous rigid structure and the porous rigid structure made thereby The subject invention relates to a method of making a porous rigid structure for use as a mold and the porous rigid structure formed thereby. Finely divided metallic particles are coated with a composition comprising a fluid thermosetting resin dissolved ... | 12/23/1986 |
| 4625205 | Remote control system transmitting a control pulse sequence through interlocked electromechanical relays A remote control system including a central encoder for transmitting a single sequence of control pulses to a plurality of remote decoders, each of which performs a predetermined function when it has received a selected number of pulses. Reliability of th... | 11/25/1986 |
| 4615539 | Suspension for automotive vehicles In a vehicle with a frame and ground-engaging wheels suspended therefrom by a suspension having, on each side of the vehicle, a bracket rigidly secured to the frame; a trailing arm pivotably mounted to the bracket and having two sets of openings, each set... | 10/07/1986 |
| 4595216 | Vehicle suspension structure A vehicle suspension element adjustment apparatus including improved structure for adjusting suspension elements to any of a plurality of discrete positions for alignment thereof wherein pairs of relatively adjustable elements are connected to respective ... | 06/17/1986 |
| 4593265 | Portable traffic control apparatus Traffic control apparatus of the wheeled trailer type having pairs of links for selectively and uniformly moving a traffic control message panel between a substantially vertical display position and a substantially horizontal storage/transit position. Thr... | 06/03/1986 |
| 4584041 | Method of making a containment vessel Containment vessels including external aircraft fuel tanks having an internal plastic liner compatible with the substance to be stored in the vessel or tank. The plastic liner is manufactured from a cold formable thermoplastic polyurethane elastomer mater... | 04/22/1986 |
| 4582080 | Bidirectional cryogenic valves A bidirectional valve useful at all temperatures from cryogenic to extreme fire temperatures. The sealing means for the bidirectional valve comprises a metallic sealing element having a pair of spaced sealing lobes defined thereon which are coated with a ... | 04/15/1986 |
| 4576398 | Trailer frame structure A trailer frame structure of substantially side by side longitudinally extending generally gable shaped solid web truss members which generally incline upwardly from a hitch to a body supporting rear portion while diverging toward the rear portion. The re... | 03/18/1986 |
| 4568318 | Belt tensioning apparatus for belt/pulley drive system A mechanical drive mechanism of the endless belt and pulley type having an improved belt tensioning arrangement. The shaft of the machine being driven (or that of the driving member itself) is eccentrically journaled with respect to its cylindrical bearin... | 02/04/1986 |
| 4553773 | Load equalizer valve and suspension system A tandem axle suspension in which the air pressure in an air spring (28) is controlled by a valve (40) which in turn is responsive to the load at the end of a leaf spring (12) to balance the load on a leaf spring axle (14) with the load on a tag axle (30)... | 11/19/1985 |
| 4543905 | Portable traffic signalling apparatus and methods therefor A portable traffic signalling apparatus of the wheeled trailer type for temporary signalling at a traffic location for controlling the flow of traffic thereat. The apparatus includes a telescoping mast and a telescoping boom carried by the trailer for pos... | 10/01/1985 |
| 4531868 | Broaching machine A high production surface broaching machine, in which a plurality of parts are located and clamped simultaneously in broaching position, broached, and simultaneously unclamped and discharged into an outchute. The plurality of parts are moved horizontally ... | 07/30/1985 |
| 4507737 | Heading reference and land navigation system A heading reference system (100) for sensing vehicle heading relative to fixed inertial space is mountable in a vehicle such as a land-based vehicle and includes a two-degree-of-freedom (TDF) dynamically tuned gyroscope (150) responsive to vehicle rotatio... | 03/26/1985 |
| 4500136 | Vehicle seat including improved adjustable side bolsters A vehicle seat including a backrest portion and a seating portion, each having a pair of movable lateral bolster sections mounted on opposite sides thereof to its frame assembly, wherein a manual adjustment mechanism for each pair selectively and simultan... | 02/19/1985 |
| 4498372 | Pump with ring retained floating wrist pins and connecting rods Improved multi-cylinder pumps wherein a plurality of co-planar positioned connecting rods are radially disposed about a crankshaft and wherein a plurality of generally cylindrical spool-like wrist pins are rotatively coupled to the connecting rods. The im... | 02/12/1985 |
| 4475101 | Traffic control device A traffic control device constructed as a one-piece traffic channelizing device of a plastic material. The device includes a bottom having a plurality of flexible flap elements for receiving and storing a ballast thereon. The flexible flap elements are re... | 10/02/1984 |
| 4470558 | Retractable clothesline device A retractable clothesline device for storing the clothesline when in a fully retracted position and enabling the clothesline to be readily extended from its retracted position for use, said device comprising an outer housing having a plurality of openings... | 09/11/1984 |
| 4468787 | Ternary data transmission system A source of a duobinary data signal is connected to a remote point by a coupling network having a high pass characteristic and transmission line. The data signal received at the remote point is subtracted from a delayed version thereof to derive the chang... | 08/28/1984 |
| 4456376 | Optical rate sensor An optical rate sensor (200) is disclosed for use in inertial reference systems to measure rates of angular rotation with substantially high resolution and sensitivity. The sensor (200) comprises a passive ring Sagnac interferometer (201) with a multiturn... | 06/26/1984 |
| 4451052 | Integral cylinder lift mechanism A lift mechanism for implements such as tool bar frames used with field cultivators and chisel plows includes means for eliminating torsional loading on the axle support and react vehicle loads through a three bar mechanism back to the frame. All structur... | 05/29/1984 |
| 4449872 | Broaching machine A fully automatic machine tool for simultaneously broaching parallel slots on a plurality of workpieces mounted on a rotatable table in which the table is indexed between a plurality of broaching operations to revolve the workpieces and hence to effect ro... | 05/22/1984 |
| 4440264 | Locking assembly for a folding seat An improved locking assembly for a folding seat is disclosed. The assembly includes a support plate adapted to be fixedly mounted to a step at its lower surface. The seat is supported by a support member when the seat is in its support position. The assem... | 04/03/1984 |
| 4426893 | High production serrator A machine for serrating the flanks of the teeth of a gear-like tool for shaving gears in which a generating, relative motion equivalent to rolling the tool on a rack is provided and in which one of a plurality of serrating tools are positioned for cutting... | 01/24/1984 |
| 4405270 | Pot broach machine with turn-over loader A broaching machine broaches a multiplicity of generally flat work pieces having a projection at only one side, which are advanced in a single file with the projections extending in the same direction. In order to broach the work pieces in stacked pairs i... | 09/20/1983 |
| 4405154 | Multi-axle equilized suspension system A suspension (10) for multi-wheeled vehicles includes a pair of outer equalizing beams (18) rockably supported by trunnion assemblies (22, 26) for deflection in response to changes in the terrain over which the vehicle travels. The equalizing beams (18) m... | 09/20/1983 |
