Abstract: An anti-fouling anchor for boats, and the like and comprising a shank member having an axially outwardly extending stud member at one end thereof and a transversely extending rod member journalled at the opposite end thereof, a spring urged release rod assembly secured to the transversely extending rod member and releasably engageable with stud member and normally engaged with the stud member for utilization of the anchor in the usual manner for securing the boat in a preselected position in a body of water. Upon accidental lodging of the anchor at the bottom of the body of water, the release rod assembly may be disengaged from the stud member whereby the shank is free to rotation about the longitudinal axis of the transverse rod, thereby permitting the anchor to be "backed away" from the lodged position thereof.

Abstract: A fluid dampened back pressure regulator valve comprising a housing having an inlet port in communication with a fluid pressure source and an outlet port in communication with the inlet port, a valve seat disposed within the housing for cooperation with a valve closure member to provide alternate open and closed positions for the valve, an adjustable control spring operable for maintaining the closure member in a normally closed position and compressible upon the presence of excessive pressure at the inlet port for releasing the closure member for opening of the valve, and a fluid dampened piston assembly interposed between the spring and the closure member for dampening the opening and closing action for reducing damage to the internal elements of the valve and for eliminating valve clatter during opening and closing of the valve.

Abstract: A large two axle rear dump off-highway vehicle comprising a main frame section, a tilting dump body, a cab section, a radiator section, front wheels providing steering for the vehicle, and rear wheels providing a driving power for the vehicle.

Abstract: An adhesively secured anchor rod for installation in a bore of a concrete base, pad, or the like, and comprising a bar having a first threaded portion of a standard thread provided at one end thereof, a second threaded portion of a coarse or coil thread provided at the opposite end thereof, and an intermediate threaded portion of a coarse or coil thread interposed therebetween, the length of the first threaded portion being selected to provide a gauge for determining the depth of embedding for the anchor rod within the concrete base, and the direction of the threads of the second threaded portion and intermediate portion being reversed with respect to each other for facilitating mixing of the components of an adhesive material placed within the bore and increasing resistance of the anchor rod against accidental "backing out" of the rod from the bore subsequent to installation thereof, the outer end of the second threaded portion being provided with recesses for facilitating the entering of the adhesive materi

Abstract: An improved multikey matrix keyboard for inputting data into a computer, wherein pressing a key places in circuit the point of intersection of a plurality of row conductors and a plurality of column conductors respectively connected to portions of separate sets of row and column sequential series of measurable electrical elements whose cumulative values correspond to the specific row and column of the pressed key. By employing a plurality of row and column key output circuits, the number of keys present in the matrix keyboard is exponentially increased.

Abstract: A performance improving means for an internal combustion engine having an intake manifold, a carburetor and a vacuum intake between the manifold and carburetor, including an upright vessel having an air inlet and an outlet opening in the upper portion, a tube connecting the vessel outlet to the engine vacuum intake, a vertical tube within the vessel communicating at the upper end with the vessel inlet opening and the lower end terminating adjacent the vessel bottom, a valve connected to the vessel inlet so that the rate of flow of air into the tube in the vessel may be adjusted, and a water emissible liquid within the vessel, air being drawn into the vessel through the valve and tube and out through the bottom of the tube bubbling upward within the liquid forming a vapor which is drawn into the engine intake manifold.

Abstract: In the process of designing a log structure, a kit is provided having a plurality of model logs of different diameters and lengths, having saddle notches and/or end notches, panels for windows, doors, etc., ceiling panels, trusses, and so on. A construction board or surface is provided having a rectangular grid of squares laid out to the same scale as the logs and other elements. In designing the structure, the various model building elements are laid out on the construction surface in precisely the same manner that they would be assembled on a floor slab with the full-sized finished logs. Model elements of the precise lengths, etc. are used, so that wall openings, such as windows and doors would be positioned precisely at the desired location. Sufficient numbers of elements would be provided to build a complete structure. Each construction element would be identified by a coded alpha-numeric symbol or designation which would completely specify the construction of that element.

Abstract: A tire tool for facilitating the removal of a tire from a wheel rim and particularly a large diameter tire from its associated wheel rim, the tool having a substantially flat main body portion provided with an aperture in the proximity of one end and an arcuate flange at the opposite end, an arm member extending outwardly from the body in a direction away from the flange and at a planar angle with respect to the body, a plurality of first roller members journalled at the outer end of the arcuate flange for engagement with the inner wall of the tire during a tire removal operation, and a plurality of second roller members journalled at the outer end of the arm member for engagement with the wheel rim and moving axially therealong during the tire removal operation, the bore being adapted for engagement by an elongated lever member for pivoting the tire tool in a direction for moving the second roller members axially along the wheel rim as the first roller members deform the tire for disengagement of the tire fr

Abstract: Slag formed in steel melt operations is foamed to create a protective cover using a composition comprised essentially of calcium oxide.

Abstract: A tethered swimmer's tank for permitting a person to perform swimming exercises within a limited space being comprised of an open topped, water-filled tank and a harness device which is attached to said person for holding said person in a stationary position while perform various swimming exercises. A pulley is mounted to the tank behind the swimmer. An indicator is mounted forward of the swimmer within his/her field of view slightly above the top of the water and below the top of the tank. A cable passes around the pulleys with one end being attached to the harness and the other end attached to the indicator to measure the force exerted by the swimmer.

Abstract: A tubular sight gauge with improved high pressure sealing characteristics comprising a conventional pyrex tube held in a gauge housing wherein each end is sealed by use of a stainless steel tube ring that concentrically sleeves around the glass tube with an internal shoulder that rests, on one side, directly against an abrupt change in internal diameter of the end openings in the gauge housing and has an O-ring on the other side of said shoulder and wherein each end of the glass tube is held within the opening by tube spacers (e.g., concentric plastic deformable spacers) such as to limit longitudinal movement (e.g., to approximately 1/16 inch). Such a tubular sight gauge exhibits the ability to maintain a hydraulic seal at pressures approaching 8,000 psi.

Abstract: A wrap-around garment having a main or single body encircling element adapted for wrapping around the body and securely fastening the front sections of the garment in an overlapped position to substantially eliminate accidental opening or dislodging of one wrapped section with respect to the other thus reducing embarrassment during wearing of the garment. The garment may be easily donned and removed by means of the use of the single body encircling fastening element.

Abstract: A sonic flow meter in the form of a conduit providing a linear fluid flow path and having first and second openings on opposite sides of the conduit displaced in an upstream-downstream relationship providing a sonic path through the interior of the conduit, with sonic transducers elements positioned to transmit and receive energy through the sonic path, and having an upstream and downstream flow straightener for separating the fluid stream into a plurality of reduced-cross-sectional area streams, ends of the flow straightener being in planes paralleling, and adjacent the sonic path.

Abstract: A method and apparatus for measuring the differential or gradient of an earth variable within a well bore (e.g., the spontaneous earth potential) and producing improved logs of this gradient or differential and its integral variable essentially free of any accumulated instrument and base line drift or error. The differential spontaneous potential of an earth formation traversed by a well bore is measured at repeated multiple depths by moving a pair of closely spaced electrodes through the well bore wherein each electrode is electrically insulated externally from the other and from a third downhole local ground (such as the well tool cable) to which each is internally resistively referenced.

Abstract: A method of detecting inadequately supported sections or overloaded points in a pipeline including the steps of traversing the interior of the pipeline with an instrumentation pig, sequentially striking or vibrating the wall of the pipeline by means carried by the pig to introduce vibratory signals into the pipeline, receiving said signals from within the pipeline by listening to the sounds generated as a consequence of the striking of the interior wall, and detecting preselected characteristics of received sound which are indicative of unsupported sections or of points of load and stress concentration in the pipeline.

Abstract: An electrical lift for use with a fifth trailer a housing being supported to the trailer and having a vertically and telescopically downwardly extending support post, a horizontal shaft extending from the housing and connected by gear means within the housing so that the rotation of the horizontal shaft retracts or extends the support post, a gear on the horizontal shaft externally of the housing, a gear motor having a shaft extending from it with a gear and including a chain drive connecting the two gears together so that the gear motor rotates the horizontal shaft, a battery, and a reversible switch means connecting the battery to the gear motor so that the vertical support may be extended to raise the trailer forward portion or withdrawn to lower the trailer, thereby facilitating the coupling of the trailer fifth wheel portion to a towing vehicle.

Abstract: A lock and door reinforcing plate device comprising plate members adapted to be secured to the opposite faces of the door by common bolt members which extend through the plates and the door and the lock assembly, a tube member is secured to the inner face of one of the plate members and extend through the door for encasing the usual lock cylinder assembly, the lock cylinder assembly is secured to one of the plates and is disposed within the tube in a manner substantially precluding unauthorized tampering or removal of the lock cylinder assembly thus substantially precluding unauthorized unlocking of the lock assembly.

Abstract: A sucker rod used in pumping liquids from subterranean oil or water wells is formed of plastic material having pre-stressed reinforcing fiber strands or roving therein, and a method of manufacturing same.

Abstract: A speed differential device for achieving selected rotational speed differentials between a drive element and a driven element and comprising a main shaft having a pair of spaced rotational members journalled thereon in spaced relationship, an auxiliary shaft extending transversely with respect to the main shaft and having a pair of rotational elements secured to the outer ends thereof on the opposite sides of the main shaft, the auxiliary shaft being integrated with the main shaft whereby the axis of rotation of the auxiliary shaft is the longitudinal axis of the main shaft, one of the rotational members of the main shaft being in driving engagement with one of the rotational members of the auxiliary shaft for transmitting rotation therebetween, and the other rotational member of the auxiliary shaft being in driving engagement with the other of the rotational elements of the main shaft for transmitting rotation therebetween, the driving size ratio between the engaged rotational elements being selected whereb

Abstract: A high pressure valve for a reciprocating pump including improved means of inserting and extracting the seat from the pump in which the pump has a seat deck of truncated conical configuration, the valve having a seat formed of a tubular element having a frusto-conical exterior configuration dimensioned to be received and retained by friction within the valve seat deck, the seat element having integral webs in the lower interior portion supporting a central stem supporting portion and the upper interior portion of the seat element being internally threaded. The seat element can be installed in or removed from a pump by threading into it an external puller head. Extending from the puller head is a puller stem which is externally threaded. To extract the seat from a pump a puller bridge is positioned across the access opening in the pump through which the seat is inserted, the bridge having an opening receiving the puller stem.