Abstract: An improved golf swing training system with a floor-mounted base (or mounted-to-ground post) and a pelvic belt assembly that wraps around the golfer's hips and guides the golfer's pivot during the backswing, downswing and follow through. The adjustable, dual-axis system guides the pelvis as it pivots about an axis behind the golfer's right leg (for right handers) in the backswing and downswing, and pivots about an axis behind and outside the golfer's left leg in the follow through. A dual-pivot mechanism, that connects the belt to the base, inhibits lateral movement of the hips during the backswing and downswing. The mechanism allows for both the belt width and the distance between the pivot centers to be adjustable to various hip sizes. The system has a built-in conversion feature that permits the belt to be inverted to accommodate both right-handed and left-handed golfers.

Abstract: A tennis ball holder and retriever easily movable about the court with four swivel caster assemblies at its corners. The holder and retriever include a wireform basket-like structure with a bottom wall designed to pick up tennis balls when pushed down over the balls. The swivel caster assemblies have small diameter wheels and are mounted to the corners of the basket-like structure with downwardly spring-biased telescopic tubular assemblies that position the basket above the balls for rolling movement about the court yet permit the basket-like structure to be depressed to its ball pick-up position.

Abstract: A cutting tool having a shank held in a chuck. Mounted in the shank is an insert holder and a carbide insert held therein. The insert holder extends radially beyond the shank, with the insert on its extended end. The insert can be adjusted as to radial extension, by swingable adjustment, and held in adjusted position by tightening the holder. A gear is provided for swinging the holder, and a visual dial is provided to show the position of adjustment.

Abstract: A line of golf clubs tailored to the swing speed of the golfer. The basic principles of the present invention can be applied to a single club, but optimally these principles are applied to a plurality of different club heads designed to the specific speed range of the golfer; namely, 50 to 65 mph, 66 to 80 mph, 81 to 95 mph, 96 to 105 mph, and 106 to 140 mph. Maximum ball exit speed from the club head is achieved from club face deflection in each of these ranges near the maximum at which the face wall reaches its permanent elastic deformation. To achieve these principles, the face wall firstly is designed so that the face wall modulus of elasticity increases from a low modulus for the low swing speed range to progressively higher moduli for the higher swing speed ranges. Face modulus can be altered by a variety of a techniques including face wall thinning and face wall reinforcement or a combination of both.

Abstract: An elbow or right angle attachment for a power tool converts the torque of the power tool drive shaft to a transverse shaft which is supported by a housing to extend angularly with respect to the drive shaft. A pinion gear is mounted on the power tool drive shaft and a face gear is mounted on the transverse shaft interiorly of the housing. The face gear and pinion gear engage one another when the elbow attachment housing is mounted to the power tool housing. The pinion gear has teeth with a face width which allows for variability in the precise mounting of the elbow attachment housing to the power tool housing, without any significant resultant detriment to operation of the device.

Abstract: A method of making carbon-carbon pistons and a limited variety of other products also requiring light weight, high strength and high thermal conductivity, and the resulting piston, including the steps of feeding impregnated fibers from spools into a layered bundle of fibers, coating the fibers with a carbonaceous material to form a preform, sleeving the preform with a thermoplastic sleeve, extruding the coated preform, passing the preform through an oven while compacting the preform further, and cutting the preform into standard lengths as the preform exits the furnace and achieves a degree of cool down. The pistons are machined from the cut preforms with the piston axis parallel to the fibers and layers. The pistons include crown, skirt, and wrist pin bosses and the axis of the wrist pin bosses is perpendicular to the fibers and layers.

Abstract: A system for holding the end tab of a retractable tape while the user swings measured arcs on the floor including a holder body having a pivot point fixed with respect to the floor and a spaced slot for receiving the tape end tab. The configuration of the holder body and slot is such that, after the holder body is fixed to the floor, the user can extend the end of the tape, and hook it to the body while standing erect and without manipulating the holder body.

Abstract: A human body sail assembly including a rotatable mast with upper and lower horizontal sail braces or booms that swing with the mast. The sail is tensioned by the braces and can be locked in a desired angular position by user-operated frusto-conical mating gearing coaxial with the mast. The braces can separate from the mast for safety if the user falls, and the sail can be collapsed in a compact envelope by swinging the braces toward one another adjacent the skater's back. The braces are identical and removably mounted in pivot assemblies carried by the mast so different length braces can be used with the same pivot assemblies. The pivot assemblies are defined by a large disc member carried by the mast and a brace socket with spaced circular plates indexably engaging the sides of the disc.

Abstract: An internal combustion engine component assembly including piston, wrist pin, and cylinder sleeve, all constructed of a matching carbon-carbon composite is disclosed. The piston is a two-piece assembly divided in crown and skirt, each fabricated individually to optimize the most desirable properties in the respective cylinder areas in which they operate. The crown is fabricated by placing the fiber and binder into a compression mold and pyrolizing(heating) the resulting preform at a high temperature in the range of 1500 to 2000 degrees C. to achieve high temperature strength, and high thermal conductivity that continue after machining to the finished crown part. The skirt, a separate piece, on the other hand is fabricated differently to seek higher lubricity and better wear resistance along the cylinder wall with lower thermal conductivity to minimize heat loss.

Abstract: A keying system for a miter joint with a work holder for engaging the outer surfaces of the boards when assembled. A flat planar tool guide is fixed to the work holder and has a slot that receives and guides a router tool to cut a slot through both boards triangularly shaped in its longitudinal direction and shaped in cross section as the cutting tool. Keys having a shape complementary to the slots in both directions are fixed in the slots to both decorate and support the joint.

Abstract: A rotary power tool designed to accept a wider range of tool shank diameters, and particularly larger diameters, without any special adapters, including a threaded output spindle with a stepped internal bore including an enlarged counter bore at its end. A one-piece collet having jaw segments, central shank portion, and a base is seated in the spindle bore so the jaw segments are cammed directly by the spindle end, and a collet nut threaded on the spindle, cams the distal ends of the jaw segments against the tool shank. The collet is designed so the larger tool shanks spread the jaws upon collet entry causing the shank portion of the collet to bulge outwardly as the collet jaws are cammed back into parallel relation against the large tool shank. This, in short, enables a smaller size collet to receive and clamp larger diameter tool shanks.

Abstract: An in-line skate wheel assembly for a skate mounted speedometer or odometer that includes a signal processor and display housing mounted on the skate toe with a sensor mounted under the toe very close to the forward wheel. A field producing sensing element is fixed in the elastomeric portion of the forward wheel where it passes in close proximity to the sensor as the wheel rotates. The display housing is connected to the sensor by a flat conductor and the three are quickly removable as a unit from the skate.

Abstract: An improved tamper resistant combination lock with large planar easy to shift blocking slides with spring fingers that fool the lock picker into believing all three positions of the slides are blocking positions, rather than passing positions. The slides block or pass spaced spheroidal obstructions on a plunger. A small bifurcated clip prevents the complete removal of the plunger when all blocking slides are in the pass position. In one embodiment the lock is a padlock-type with a "U" shaped shackle that lies in a common plane with the slides to reduce lock size.

Abstract: A space-saving multiple tier vertical flow toaster for simultaneously toasting items loaded vertically from the top of the toaster. The first items loaded into the toaster pass through an upper tier and are arrested in a lower tier. The next items loaded are arrested in the upper tier and both the upper tier and lower tier items are toasted sequentially. A control system discharges the lower tier items first and then discharges the upper tier items enabling them to pass through the lower tier and be discharged.

Abstract: A rotary latch for a clamshell housing with truncated circular upper and lower lugs, that can if desired, be made in a single plastic molding and rotatably attached to the housing without any rivets, pins or screws. The upper lug has an arcuate extent of more than 180 degrees and the lower lug has an arcuate extent coaxial with the upper lug but less than 180 degrees. The latch is an annular plastic body that is deformed to snap over and rotatably mount on the upper lug, effected by an annular recess in the body that extends 360 degrees inside around the body so as the body rotates on the upper lug, it never loses contact over any portion thereof. The lower lug is axially offset from the upper lug and the latch body has a latch cup portion that scoops and aligns the lower lug with the upper lug in three orthogonal coordinates. The latch cup portion is also axially offset from the upper lug so it can pass behind the upper lug as the latch body is rotated from a latch position to a release position.

Abstract: A human body sail assembly including a rotatable mast with upper and lower horizontal sail braces or booms that swing with the mast. The sail is tensioned by the braces and can be locked in a desired angular position by user-operated frusto-conical mating gearing coaxial with the mast. The braces can separate from the mast for safety if the user falls, and the sail can be collapsed in a compact envelope by swinging the braces toward one another adjacent the skater's back.

Abstract: A power integrated articulated inner spring-mattress having a lower inner spring-like section and an upper articulated mattress section, with the lower section having all the power drive components self-contained on wooden supports surrounded by a resilient safety and appearance portion, and the upper section is easily removably mounted on the lower section wood supports.

Abstract: An improved high impact metal clubhead with a unique reinforced composite face wall, increased radius of gyration, and a positive lift air foil surface contour. The composite face wall includes an impact supporting wall rigidified by a pattern of integrally cast reinforcing bars that extend forwardly, rather than rearwardly, from the supporting wall. The reinforced supporting wall is covered by a very hard plastic ball striking insert that is cast in situ over the supporting wall. The increase in radius of gyration is accomplished by extending the heel and toe portions of the clubhead along the face wall further from the geometric center of the head, beyond present day parameters for high impact clubheads. And the positive lift is effected by contouring the top wall of the clubhead downwardly and rearwardly from the base wall more severely almost to the plane of the sole plate, and flattening the rear wall so it is almost co-planar with the sole plate.