Abstract: An improved self-aligning tree delimbing apparatus for use in conjunction with a knuckle boom loader having an inner frame member pivotally mounted and concentrically received within an outer frame member, which is rigidly attached to a base member. Pivotally mounted within the inner frame member is a tree delimbing cutter head assembly having opposing pairs of tree guide arms and tree delimbing arms pivotally mounted thereon, thereby allowing for simultaneous multi-dimensional pivotal motion of the cutter head assembly within the frame members. Such motion allows the cutter head assembly to easily align with the longitudinal axis of the trees being delimbed, thereby increasing the efficiency of the apparatus while reducing the binding stresses and necessary force applied by the knuckle boom loader.

Abstract: An improved roll-up closure utilizing a flexible cover selected from a material suitable to effect the type of closure sought. The cover is at least as wide as the portal to be covered and is typically longer than the portal. Each lateral margin of the cover has a strip of hook or loop fastener material affixed thereto, with the complementary strip affixed to either the respective lateral margin defining the portal or to a "floating" edge of an elongated strip of flexible material attached at its opposite edge to the respective lateral margin. A first end of the cover is rigidly affixed across a first margin of the portal. The opposite end of the cover can be upturned about a transverse rod and connected to a take-up roller mounted adjacent the first margin of the portal, or it can be attached to the rod such that as the cover is raised or lowered, the cover is wound or unwound around the rod. Channel members prevent movement of the rod in a direction normal to the plane of the portal.

Abstract: The present invention relates to an accessory for an ATV (all terrain vehicle) mounted on top of an ATV to allow the use of a stationary ATV as a hunting stand. The accessory is comprised primarily of square metallic tubular members that surround a hunter sitting on an ATV, allowing for waterproof camouflage material to be attached along the outside of the accessory to shield the ATV and user from the sight of passing game. The waterproof camouflage panels also provide a hunter with protection against the elements. The accessory allows a user to sit above the ATV on a seat located at the top of the accessory. Access to this top seat is provided by horizontal tubular members at the rear of the accessory that can be positioned for use as a ladder. The top seat allows a user to have a high vantage point for hunting. The accessory transforms an ATV into a comfortable and effective hunting stand even in an open field.

Abstract: A mounting apparatus that can be universally adapted to golf umbrellas or which can be used with a specialized umbrella. Further, the invention is compact and thus lightweight so as not to detract from nor significantly effect the standard usage of the golf bag. The invention utilizes a spherical adapter which is attached to the bottom of the handle of the umbrella. The adapter is in turn captured within a clamp having a socket formed in it. The clamp is in turn secured to the golf bag. Normally, the clamp will remain with the bag and the spherical member will remain with the umbrella when the two are separated such that additional accessories such as cup holders and scorecard holders may be used instead of the umbrella.

Abstract: An improved roll-up closure utilizing a flexible cover or curtain selected from a material suitable to effect the type of closure sought. The cover is at least as wide as the portal to be covered and is typically longer than the portal. Each lateral margin of the cover has a strip of hook and loop fastener material affixed thereto, and a complementary strip is affixed to the lateral margins of the structure defining the portal. A first end of the cover is rigidly affixed across a first margin of the portal. The opposite end of the cover can be upturned and connected to a driven take-up roller mounted to the first margin of the portal. In this embodiment, an elongated transverse rod is supported within the upturned end of the cover. In an alternate embodiment, the opposite end of the cover is attached to an elongated transverse rod such that as the curtain is raised or lowered, the curtain is wound or unwound around the rod, respectively.

Abstract: A surgical instrument including an elongated member connected to both suction for removing excised tissues and fluids and to a source of pressurized fluid. The member has an inner and outer wall with a hollow lumen extending the length of the member which connects a variably shaped ostium, extending through both walls of the member, to suction. The member also has peripheral channels extending the length of the member which connect the fluid source to the ostium through slits in the perimeter of the ostial wall. The slits collectively extend almost the full perimeter of the ostial wall. The slits are preferably designed so that as pressurized fluid is ejected from any point along a slit across the ostium, the fluid will come in contact with an opposing spray of fluid ejected from an opposing point in an opposing slit.

Abstract: The present invention generally relates to imitation marble objects. More particularly, the present invention relates to a method for producing imitation marble fixtures such as tubs, walls, vanities, etc. A method for producing imitation marble fixtures, comprising the steps of applying a first layer over a prepared mold which outlines the features of the desired product, wherein the first layer comprises a clear polyester gel coat. Then applying a second layer over the first layer, the second layer comprises a pattern of swirls and veins permeated throughout a matching polyester gel coat. Thereafter, applying a third layer over the second layer, the third layer comprises calcium carbonate with polyester resin for the purpose of providing the base color of the imitation marble fixture. Finally, applying a layer of polyurethane foam, wherein the polyurethane foam consists of equal parts of Polymeric Diphenylethane Diisocyanate and Polyol Tertiaryamine.

Abstract: A spring loaded fishing apparatus formed from an elongated resilient wire. The wire is sharpened at both ends and formed into a W-shaped member having a center portion forming an eyelet for attaching a fishing line. The W-shaped member is inserted into a compression sleeve which collapses the sharpened points on the outer legs toward the eyelet. The sleeve containing the compressed member is then inserted into a cavity formed in a fishing lure. In an alternate embodiment, the compression sleeve can be absent and the W-shaped member can be inserted directly into a cavity formed in the fishing lure, which collapses the sharpened points. When a fish strikes the lure, the resulting force on the fishing line pulls the member partially from the sleeve, or cavity, and the sharpened points of the W-shaped member spring outwardly to engage the mouth of the fish. The member can subsequently be easily removed from the mouth of the fish while minimizing injury to the fish.

Abstract: Coupled to the N-methyl-D-aspartate (NMDA) receptor complex is a strychnine-insensitive binding site for glycine. Pharmacological antagonism of glycine at this site may produce anticonvulsant activity. Twelve 4-urea-5,7-dichlorokynurenic acid derivatives were synthesized and subsequently screened in mice for anticonvulsant activity using MES, Met, and TTE tests, and a rotorod test was used to determine neurotoxicity. Seven of the derivatives had anticonvulsant activity in TTE testing at 100 mg/kg. One derivative had an ED.sub.50 value of 134 mg/kg in TTE testing. Two derivatives had MES activity. Only one derivative was neurotoxic in the rotorod test. Compounds were screened at a 10 uM concentration for activity in displacing 5,7-dichlorokynurenic acid from synaptosomal membrane fragments. Nine of the twelve compounds synthesized and tested have demonstrated anticonvulsant activity.

Abstract: An athletic performance evaluation device utilizes ultrasonic sensing circuitry or infrared sensing circuitry, a vibration sensitive switch, and an audio input to signal a microprocessor to start a timing function that calculates therefrom an objective evaluation of the athlete's performance. A light emitting diode (LED) may be included in the apparatus to signal the athlete to begin performance while simultaneously starting the timing function. The vibration sensitive switch may be placed on the ground adjacent to a selected position on which the athlete stands to stop the timing function. In operation, the athlete jumps and the ultrasonic sensor signals the microprocessor to begin the timing function and the vibration sensor sends a second signal to stop the timing function when the athlete lands again. The interval between signals is used in distance formula h=g(I/2).sup.

Abstract: An osteo-integrated implant utilizes a metal seal formed on the outer diameter of the implant components spaced axially from the annular seat or junction of the components. The sealing surface of one component is machined on the internal diameter of a counter-bored cylindrical member extending over the junction to engage the outer diameter of the other component. The mating surface is formed on the outer diameter and is machined such that an interference fit exists between the two surfaces when the abutment is fully seated in the implant. The design allows for both radial and axial micro motion without compromise to the sealing effectiveness.

Abstract: An anchor for a mine roof bolt incorporates a single large rib at the top of a segmented shell. This single large rib is forced into the wall of the bore hole by the downward movement of an associated threaded camming nut during the first few revolutions of the roof bolt. The remainder of the outer surface is generally smooth or unserrated and provides a large bearing surface which is urged against the bore hole wall upon further rotation of the bolt. The camming nut has a specific shape flaring substantially near its upper end such that a relative large area of the bore hole wall below the rib is forced into compression.

Abstract: An air delivery system including a means for defining a plenum near the forehead of a wearer, a baffle for distributing the air from the plenum downward over the wearer's mouth, nose, and face, and a means for securing the plenum to the forehead of the wearer, such as a safety helmet, a cap visor, or a pair of safety eye glasses. The brim of the helmet or visor defines the upper portion of the plenum, and a baffle defines the lower portion. The baffle has openings to distribute the air downward over the wearer's face. In the case of the safety glasses, the baffle has an upper portion and a lower portion forming a plenum between them due to a slightly concave shape of the baffle portions. An inlet nozzle is connected to the plenum through the baffle, baffle portions, or the brim, and a small motor and fan assembly is connected to the inlet nozzle via a flexible hose. In operation, the motor draws air through a filter element and distributes the filtered air via the hose to the plenum.