Abstract: A remote control model aircraft airfoil or wing of novel design and a related method for the construction of the airfoil or wing are disclosed in which the airfoil or wing is made of a single sheet board in a manner ensuring that the airfoil or wing is both strong and durable. A plurality of now parallel lines are scored on the interior of the sheet of material with the material being folded on the scored lines to form the airfoil or wing. In the preferred embodiment, the resulting apparatus forms a flying wing which may be used as a glider. In an alternate embodiment, a straight wing with or without polyhedral surfaces may be crafted in much the same manner.

Abstract: The combination fishing tackle box and pole holder includes a box having an interior storage space. The lid is connected to at least one fishing pole holder which is in the form of a pipe which extends up from the lid top surface at an angle. The pipe has its lower end in the form of a socket which releasably retains the butt end of a fishing pole. The upper portion of the pipe extends up around the pole and has a cutaway portion on the rear side, so that the pole body can be tilted backwardly out of the cutaway portion while retaining the pole butt in the socket, in order to set a hook in a fish caught on the fishing pole line. The box can have one or more carrying handles and the holder can be hinged to the lid top and movable between the raised operative position and a down storage position. The lid can be configured to provide a storage recess for the holder when in the down position.

Abstract: The vehicle sun visor position retainer is preferably a unitary, flexible, resilient, generally flat piece of plastic, wood, metal, rubber, ceramic or cermet having first and second horizontally extending members. The second member extends laterally of the first member adjacent one end of the first member. The two members are integrally connected together by a step portion which holds the second member below but generally parallel to the first member. The first member contains a generally central vertical hole therethrough adapted to receive the vertical rod portion of a vehicle sun visor bracket. The first member also defines a slot from the periphery of the first member to the hole. Preferably, the slot has outwardly diverging sides. Also preferably, a pair of detents narrow the slot adjacent the hole to hold the first member in place around the rod. Cut-away portions on opposite sides of the detents may increase the effective flexibility.

Abstract: The child's bowling aid device resembles a portable bowling ball holding rack with attached bowling ball launching ramp and is adapted to permit a child to easily hold the bowling ball on the rack and then ease it forward off the rack through the launching ramp, after aiming the ramp, in order to roll it onto a bowling lane and knock down bowling pins. The device includes first and second spaced parallel vertical side plates, each with a flat bottom, elevated rear end, a dish-shaped bowling ball-retaining top portion and a front top portion which slopes down and forwardly to serve as a launching ramp. Spaced rear and front transverse vertical crossplates interconnect the side plates. The rear transverse plate is taller than the front transverse plate. Preferably, all plates are flat and releasably connectable and form a kit capable of being transported in disassembled condition in a bag or the like and then being assembled at a bowling alley for use.

Abstract: The back and stomach support device includes a) an elastic, flat, upraised, central back support, preferably tapering on its side margins from bottom to top, b) a first pair of flexible inelastic, elongated strips connected to the opposite sides of the central back support near the bottom thereof and sloping slightly upwardly as they extend laterally thereof; c) a second pair of such strips connected to the opposite sides of the central back support near the top thereof, overlapping the upper margins of the rear surfaces of the first pair of strips and sloping slightly downwardly as they extend laterally of the central back support; and, d) hook and loop fasteners on the strips. The strips wrap around the sides and front of the mid-section of a human torso for full support and overlap each other to an adjustable extent.

Abstract: The improved folding door and door frame assembly includes a door frame having a horizontal top channel member adapted to receive a number of depending door slides, and a vertical side frame member below the channel member. The assembly also includes a folding door formed of an array of interconnected, parallel, vertically extending polyvinyl chloride slats arranged in side by side relation. The slats have small staple fibers substantially uniformly distributed throughout the body thereof to give the slats a translucent sandy appearance and feel. Each slat in the arry preferably is corrugated to provide a number of integral parallel segments. Each slat has an integral side folding hinge extending along the length of one side thereof and a hinge-receiving slot or groove along the length of the opposite side of the slat. The slats are interconnected through the side hinges and grooves.

Abstract: The improved landscape lighting device suitable for use indoors and outdoors. It is particularly adapted to have the lower end thereof placed in a hole in the ground for low level landscape lighting. A lamp, preferably of the sealed beam type, is releasably held within a flexible, resilient, cylindrical, elastomeric gasket having a sidewall defining an open upper end and open lower end. The inner surface of the gasket is grooved to releasably grip the periphery of the lamp. The exterior surface of the gasket has a plurality of spaced, outwardly extending lugs, preferably in the form of fingers or elongated cylinders, protruding therefrom, which lugs frictionally engage the interior surface of a generally cylindrical, weatherproof housing. The housing has a sidewall defining a central space within which the gasket is disposed. The housing has an open upper end and open lower end.

Abstract: A device for use as a cast for orthopedic leg injuries is disclosed which has a plurality of inflatable, adjustable pressure air chambers contained within a resilient outer support casing which may easily be installed around a patient's lower extremity to control tissue edema and minor undisplaced fractures, acute sprains, and ruptures of supporting ligaments. The cast apparatus of the present invention uses three sets of air chambers to support the lower leg, the ankle, and the lower foot, respectively, of a patient. The ankle portion of the cast apparatus has special support apparatus designed to provide excellent ankle support in a unique manner. Splint members may also be used in conjunction with the cast apparatus of the present invention, with a variety of techniques being used to mount the splint members onto the cast apparatus. The device can also readily be used as a cast for upper extremities.

Abstract: The educational linguistic game includes a game board having a number of separate, spaced tracks, each track being divided into a number of separate, sequential, color coded spaces bearing separate playing instructions, depending on the color of each space. The game also includes a number of dice, a number of player's tokens for moving along the spaces of the tracks, a roulette wheel bearing monetary indicia, play money and decks of educational game question cards, the number of the decks corresponding to the number of tracks, each deck being of a different level of difficulty of questions on the cards thereof. Game operating cards are also included: "chance" cards determining whether a player wins or loses play money; "no penalty" cards to pay off fines for wrong answers to questions on the game question cards; and, "player's choice" cards which permit a player to select the type of game question to be answered.

Abstract: The lock strike device is used with closable openings and is electrically connectable to an electrical monitoring circuit so that the presence or absence of a latch or deadbolt in the device can be automatically detected. The device includes a strike box having spaced sidewalls and a closed rear end. The first sidewall and adjacent portion of the rear end define an elongated cutaway portion through which an elongated blade trigger is spring biased into the strike space. The trigger is hinged at its front end to a box connected to the front of the sidewall. The rear end of the trigger is a head which urges a spring loaded lever arm of an electrical switch mounted on the exterior of the housing rear end into an open circuit position. A movable tab extends transversely into the space from the trigger. The tab senses the presence of a latch to provide a signal to an indicator.

Abstract: The improved self-defense practice assembly includes a protective padded helmet with face mask and rear and lateral depending walls adapted to transmit head shocks downwardly to the shoulder area of a wearer of the helmet. The assembly also includes a pair of shoulder pads upon which the shock-transmitting wall rests. The assembly also includes a hard shell padded groin and spine protector, with a testicle well, integral rear lateral buttock-covering wings and an integral upwardly extending spine plate. The components meet and overlap so as to fully protect the head and body of the wearer when playing the roll of a mugging assailant in a self-defense course. The helmet is a shell padded inside and out and webbed at the upper inside. The shoulder pads may include a padded horse collar on which the depending helmet wall rests. The groin and spine protector can be releasably connected to the shoulder pads by hook and pile fasteners straps and/or waist, leg and shoulder suspender straps.

Abstract: The back and stomach support device is utilizable by weightlifters, stevedors, etc., and includes an elongated flexible back strap with a resilient, flexible back cushion attached to the inner surface thereof. The back strap extends forwardly at the sides of the device and ends in opposed front loops through which the opposite ends of a front belt extend. To the inner surface of the front belt is connected a resilient, flexible stomach cushion. The front belt can be cinched tight by means of its opposite ends and be releasably held in place for example by hook-bearing strips and hook-receiving strips on the belt. The device encircles the waist and effectively supports both back and stomach to prevent muscle strain. The strap and belt are shorter in height than the cushions so that no pinching of the skin occurs during tightening. The opposite ends of the cushions may be tapered down for a similar reason and the cushions are short enough not to intercept each other.

Abstract: A watch is disclosed having a transparent member with decorative indicia thereon located between the interior of a removeable crystal member and the face of the watch. The transparent member is changeable to allow the appearance of the watch to be markedly changed, with the time being easily viewable through the transparent member. The invention is equally applicable to analog or digital watches, and to any configuration of watch case. In an alternate embodiment, the transparent member is installed for rotating movement driven by the watch movement.

Abstract: The wall covering assembly includes a flexible, resilient, preferably sound-deadening, fire-resistant sheet of wall covering, preferably of plastic and/or cloth. The assembly also includes one or a spaced number of preferably parallel wall covering anchoring strips releasably connected to the rear of the wall covering. The strips can be anchored to the exposed surface of a wall to hold the wall covering over and spaced from the wall. Each strip may be of flexible material, such as plastic, metal, or the like and includes a first member having a rear plate adapted to be connected, as by adhesive, screws, etc., to a wall. The rear plate has a toothed upper end. That member also includes a front plate spaced forward of the rear plate by spaced top and bottom struts, preferably parallel with each other and defining therebetween a box having an acoustical space below the top of the rear plate. The front plate may bear anchoring hooks attachable to the rear of the wall covering.

Abstract: The game for lovers includes two open-topped containers, with or without closeable top lids and central storage spaces, and a number of game pieces of sufficiently small size so that a number of the pieces can fit into each space. The total number of pieces in the game is more than enough to fill one of the spaces, but insufficient to fill both spaces. The game pieces are stored in the spaces throughout the game. The game may also include a rules guide. The game pieces can all be of the same or different size, shape and appearance, preferably the latter. Most preferably, they are in the form of different simulated jewels of various sizes, shapes and appearances. In one embodiment, the rules guide, containers and/or pieces bear the legend "lovers". The game is played by initially distributing an equal number of game pieces to each player for storage in the container spaces. Whenever a lover performs a loving act, he or she gives the other lover a game piece which is stored in the recipient's container space.

Abstract: The improved tennis racket string straightener is a one-piece unitary pocket comb, preferably of molded plastic, with an elongated body and spaced integral teeth depending therefrom along the length thereof. The body has curved ends to prevent pocket snagging and includes a vertical lower plate from which the teeth depend, and a top horizontal flange acting as a hand grip. The plate is integral with the flange and connected thereto along the longitudinal center-line thereof. The teeth in one embodiment are all the same size and spacing. In another embodiment the teeth are of generally similar shape and size but the distance between adjacent teeth gradually increases the farther the teeth are away from the mid-point along the length of the comb. The teeth are generally triangular in front, rear and side elevation, thus generally wedge-shaped with apices pointing down, and the spaces defined thereby are generally triangular with their apices up. All apices are slightly rounded to prevent string damage.

Abstract: A device for launching a plastic, saucer-shaped game disc is disclosed which spins such a saucer-shaped game disc up to a high rotational rate, and then discharges the rotating saucer-shaped game disc from the apparatus in a generally upward direction. The device uses a drive wheel and a spring-biased idler wheel to retain the inner rim of a saucer-shaped game disc thereon, whereby the saucer-shaped game disc may be accelerated to a desired rotational speed. The device then uses a foot pedal-actuated rod bearing on the bottom of the center of the saucer-shaped game disc to propel it upwardly, from which launching the disc may be used to perform various free-style maneuvers.

Abstract: A device for testing ignition coils from automobile and other spark ignition engines is disclosed which is a small, handheld ignition coil tester powered by the battery of the engine's ignition system. The coil tester provides a visual indication of proper high voltage pulse generation or, in the case of improper function of the ignition coil caused by a short in the ignition coil, provides an indication of the existence of the short in the ignition coil. The coil tester includes a spark gap module which has vacuum sealed electrodes to provide an excellent visual indication of proper coil operation.