Abstract: A broadhead is formed from a ferrule, at least one blade pivotally coupled to the ferrule, and a biasing member positioned under the blade between the ferrule. The biasing member applies pressure upward to a trailing edge of the blade, which is prevented from pivoting forward beyond a pre-determined angle in relation to the ferrule by a point coupled to the ferrule.

Abstract: First and second conveyors are positioned along opposite sides of a frame positioned about centrally between the first and second conveyors, wherein the first and second conveyors are operably connected to a railroad engagement wheel positioned under the frame to coordinate movement of the first and second conveyors relative to the railroad engagement wheel. The conveyors can be integrated with a hi-rail truck adapted for use with the first and second conveyors and which contains an infeed conveyor for transporting tie plates from the hi-rail truck to the first and second conveyors.

Abstract: Innovative techniques that result in a better signal-to-noise ratio for spectrographic analysis of substances in a target than conventional techniques. In these techniques, light illuminates a target with at least some of the light penetrating the target. At least a portion of the light that penetrates the target is collected from a region on the target's surface that is not directly illuminated. Preferably, at least a majority of the collected light is light that penetrates the target. Also preferably, the light that illuminates the target is in a pattern that partially but not completely surrounds the region from which the portion of the light that penetrates the target is collected. A spectrum of at least a portion of the collected light is analyzed.

Abstract: An anesthesia administration instructional aid comprises a pipe, a penetrable material in the pipe, and a reservoir located at a predefined distance from the penetrable material. A method for learning administration of epidural and combined spinal epidural anesthesia comprises the steps of: (a) obtaining an anesthesia administration instructional aid, wherein the instructional aid comprises a pipe, a penetrable material in the pipe, and a reservoir located at a predefined distance from the penetrable material; (b) filling a fluid into the reservoir; (c) inserting a larger needle having a lumen and a tip through the penetrable material such that the tip of the larger needle rests between the reservoir and the penetrable material; and (d) inserting a smaller needle having a tip through the lumen of the larger needle such that the tip of the smaller needle pierces and rests inside the reservoir.

Abstract: A roll-on/roll-off, aircraft-borne sensor pod deployment system having an operator station and a sensor pallet system and method of using same. The operator station has a base platform, a shelter box mounted on the base platform for accommodating a human operator, and a computer installed inside the shelter box. The sensor pallet system has a base platform, a linear system mounted on the base platform, a rotational system mounted on the linear system, a mechanical arm attached to the rotational system, a sensor pod attached to the mechanical arm, and an electrical control system that provides power to the deployment system and controls movements of the sensor pallet system. In operation, the sensor pod can be retracted into a compact, stowing position, or extended out an opening in the aircraft for an unobstructed field of view. The deployment system optionally includes an apparatus and method for sealing the aircraft opening.

Abstract: The invention relates to method and apparatus for relieving headaches. The method broadly comprises the step of applying a sufficient force to a given area of the triangular fossa region of the patient's ear for a sustained period of time effective for treating the patient by reducing the perceived pain of the headache. Apparatus is disclosed for employing the method, the apparatus comprising a banded earplug device having a biased headband positionable about the head of the patient and a pair of pods at opposite ends of the biased headband. The pods are placeable in compressive engagement with an area of the triangular fossa region in each of the patient's ears.

Abstract: A roll-on/roll-off, aircraft-borne sensor pod deployment system having an operator station and a sensor pallet system and method of using same. The operator station has a base platform, a shelter box mounted on the base platform for accommodating a human operator, and a computer installed inside the shelter box. The sensor pallet system has a base platform, a linear system mounted on the base platform, a rotational system mounted on the linear system, a mechanical arm attached to the rotational system, a sensor pod attached to the mechanical arm, and an electrical control system that provides power to the deployment system and controls movements of the sensor pallet system. In operation, the sensor pod can be retracted into a compact, stowing position, or extended out an opening in the aircraft for an unobstructed field of view. The deployment system optionally includes an apparatus and method for sealing the aircraft opening.

Abstract: A roll-on/roll-off, aircraft-borne sensor pod deployment system having an operator station and a sensor pallet system and method of using same. The operator station has a base platform, a shelter box mounted on the base platform for accommodating a human operator, and a computer installed inside the shelter box. The sensor pallet system has a base platform, a linear system mounted on the base platform, a rotational system mounted on the linear system, a mechanical arm attached to the rotational system, a sensor pod attached to the mechanical arm, and an electrical control system that provides power to the deployment system and controls movements of the sensor pallet system. In operation, the sensor pod can be retracted into a compact, stowing position, or extended out an opening in the aircraft for an unobstructed field of view. The deployment system optionally includes an apparatus and method for sealing the aircraft opening.

Abstract: Compositions and methods for the assessment of T cell receptor variable subunits. The present invention provides nucleotide sequences for the evaluation of the expression of TCRV families. These nucleotides sequences were obtained through a bioinformatic investigation of the nucleotide sequences for TCRV? and TCRV? families. The nucleotide sequences of the present invention uniquely recognize each and every subfamily and allelic member of a particular TCRV family, while at the same time not recognizing the members of any other TCRV family. This unique expression recognition profile of the nucleotide sequences of the present invention provides great utility for the assessment of TCR families in a clinical setting, such as through polymerase chain reactions, gene chip technology, and direct electrophoretic measurement of DNA or RNA.

Abstract: A dynamically adjustable weight lifting aid that eliminates hand grip strength as the limiting factor in weight lifting, including a strap and a slidable sleeve encircling the strap. The strap has a wrist loop at one end and an attachment loop at the other end. The attachment loop is suitable for removably attaching the strap to a weight bar or other handle on a weight lifting system or machine. The wrist loop is suitable for receiving a person's wrist. Specifically, the person's hand is inserted through the wrist loop, and the person's palm contacts the slidable sleeve. The wrist loop cradles the person's wrist, and the effective diameter of the wrist loop is dynamically adjustable by the person's hand by sliding the slidable sleeve in either direction along the length of the strap. The person may then lift a weight of the weight lifting system by pulling on the strap.

Abstract: An embodiment of a high-mobility vehicle comprises a vehicle body, a track assembly attached to the vehicle body, arms pivotally attached to the vehicle body, and trackless drive wheels mounted on distal ends of the arms. Another embodiment of a high-mobility vehicle comprises a vehicle chassis, right and left drive motors attached to the vehicle chassis, right and left power transmission mechanisms having high torque and low torque sets of gears, track assemblies coupled to the high torque sets of gears, and trackless drive wheels coupled to the low torque sets of gears.

Abstract: A robotic ultrasonic inspection vehicle is provided with one or more transducers which are driven by a long, broadband excitation pulse for insonifying a sample subject to inspection. The long, broadband excitation pulse can be chirped. The robotic vehicle also can include a drive circuit for coupling the excitation pulse to the transducer. Data associated with the excitation pulse is used to gate off the drive circuitry at an appropriate time. The robotic vehicle may traverse a combustion prone region and therefore electrical parameters may be limited to intrinsically safe levels. However electrical parameters may safely be converted to higher levels so long as the conversion is inhibited to occur only after the vehicle has left a combustion prone region and entered a region of minimal risk of combustion.

Abstract: An apparatus for keeping a person warm while in a stand having a base connected to a tree, including a generally tubular length of material having an open end and a closed end, wherein the closed end includes a fastener for securing the apparatus to the base of the stand. A user simply inserts one or both of his or her feet and legs through the open end of the apparatus and pulls the open end of the apparatus up to a desired height. The apparatus is maintained at the desired height by an elastic band extending around the circumference of the open end.

Abstract: An apparatus for holding in place a first casing while a second casing is connected to the first casing, including an annular clamp made up of three segments hingedly fit together to form a ring. The inner surface of each segment includes an insert within a dovetail which creates secure points of contact between the inner surface of the annular clamp and the exterior surface of the casing. The apparatus includes a carrier having two handles and a ring for transporting the annular clamp. The annular clamp can be positioned inside a bowl-shaped housing having a central circular opening adapted for receiving the annular clamp. An adapter plate can be used for retrofitting the apparatus to rigs of all makes and models.

Abstract: An apparatus including a bicycle having a top tube, a frame connected to the bicycle, and a combat vehicle simulator interchangeably connected to the frame. A laser tag system including a laser tag gun and a sensor also preferably is connected either to the bicycle or the frame. The laser tag gun preferably is mounted on the front of the frame facing forward and the sensor is mounted on the back of the frame facing rearward. The frame includes an elongated member having a front end and a back end, and extending lengthwise along the bicycle; a first generally U-shaped section connected to the front end of the elongated member; and a second generally U-shaped section connected to the back end of the elongated member.

Abstract: An apparatus for attaching a door to a passenger vehicle body having a lift arm and a hinge assembly. The lift arm rotatably connects the door to the vehicle body. The lift arm imparts upward rotational movement to the door relative to the vehicle body as upward pressure is applied to the arm. The hinge assembly allows the door to open horizontally about a pair of hinges connected to the hinge assembly. A stop pin assembly dictates whether the door can be opened vertically or horizontally.

Abstract: A roll-on/roll-off, aircraft-borne sensor pod deployment system having an operator station and a sensor pallet system and method of using same. The operator station has a base platform, a shelter box mounted on the base platform for accommodating a human operator, and a computer installed inside the shelter box. The sensor pallet system has a base platform, a linear system mounted on the base platform, a rotational system mounted on the linear system, a mechanical arm attached to the rotational system, a sensor pod attached to the mechanical arm, and an electrical control system that provides power to the deployment system and controls movements of the sensor pallet system. In operation, the sensor pod can be retracted into a compact, stowing position, or extended out an opening in the aircraft for an unobstructed field of view. The deployment system optionally includes an apparatus and method for sealing the aircraft opening.