Abstract: A tamper-proof package having a plurality of interacting parts on a container neck and closure which form a pair of cylindrical facing surfaces. Cooperating sets of grooves and groove-engaging frangible male members, preferably splines, are on the facing surfaces. The container has a notched flange and the closure has corresponding lugs to engage the flange. Some of the lugs are preferably frangibly connected to the closure. Observation of the splines, the lugs, and the manner of opening provide indications of tampering or the absence thereof, even though the cooperating features are shielded between the closure and the container neck.

Abstract: Method and apparatus for forming tooth positioners. The apparatus includes a pair of aligned model mounts which are relatively movable toward each other, a holding member between the mounts having a cavity for a positioner blank, a heating element embedded in the holding member, and a sandwiching pressure applicator. Preferred embodiments include a carrier member with which the holding member is removably engageable. The method includes heating the holding member by applying heat internally to it and applying sandwiching pressure to the blank, preferably concurrently.

Abstract: A floodlight having a housing with a lateral wall forming an access opening, an access door which when closed is recessed within the housing, and articulated hinges which extend between the interior surface of the lateral wall and the inside surface of the door.

Abstract: A pair of weight devices and a method for using them for improved aerobic exercise during walking. The devices each include an elongated rigid member with a ground-engageable member at one end and a hand grip at the opposite end, a strap secured to the hand grip to form a loop adjacent thereto, and weighting to place the center of gravity of the device toward the hand-grip end. In preferred forms, the weight means is secured at or near the hand grip. The method of this invention involves walking with a pair of such elongated weight devices and applying alternating lifting and driving force to them. In preferred forms, each hand is engaged with the weight devices alternately in two different ways, by holding the hand grips and by applying downward force on the straps.

Abstract: A tackle container assembly mountable below a deck-mounted pedestal seat, including an upper principal member secured to the lower surface of the seat and means depending therefrom to support one or more containers in positions spaced well above the deck, such that fishing tackle can be readily accessible to a fisherman without interfering with or limiting the position of his feet beneath the seat or his hands and arms during fishing movements. Preferred embodiments include a slotted arrangement and/or spacers to allow good utilization of as much space beneath the pedestal seat.

Abstract: An improved below-ground apparatus and method for fueling a vehicle through an inlet on a exposed tank bottom. The apparatus is characterized by a frame carrying an upwardly-facing nozzle, a lift to move the frame and the nozzle from a fully-retracted to an intermediate position and from the intermediate position to a position for full engagement with the inlet. The intermediate position is determined by sensing the vertical position of the tank bottom and, at the intermediate position, the nozzle member is positioned on the frame in vertical alignment with the inlet prior to final lifting. In preferred embodiments, a blower creates an air ride for the nozzle member facilitating its positioning on the frame, and another blower creates a vacuum to hold the nozzle member is proper position and to eliminate fuel vapors. The nozzle member is preferably conical in shape.

Abstract: A flow regulating cartridge assembly that can be adjusted from substantially zero flow to a predetermined maximum flow determined by the maximum size of a flow controlling orifice located within the valve assembly. The valve includes a spool slidably mounted within a step bore located in the valve body which is operative to control the fluid communication between an inlet port and a bypass port. The spool includes an adjustable orifice for adjusting a regulated fluid flow through a regulated port. The spool member threadedly carries an adjustment stem which includes a tapered end that is adapted to move into and out of the orifice to adjust its effective orifice size. A coupling member including an adjustment segment extending externally of the valve body includes a coupling arrangement which allows relative axial movement between the adjustment stem and the coupling member but prevents relative rotation.

Abstract: An athletic shoe for field sports having a substantially continuous annular cleat formed on the sole in forward position and extending along a substantially circular path encompassing a major area which includes most of the ball-of-the-foot and toe portions of the sole. The cleat has a passageway across a portion of the width of the sole just forward of the arch portion. Such passageway is preferably a shortening of a minor portion of the annular cleat but may be elimination thereof. Some preferred embodiments relate to a flat cleat edge, while others relate to certain passageway or cleat cross-sectional characteristics.

Abstract: A pre-cleaning air-intake duct for connection to air cleaners on the internal combustion engines of work vehicles. The duct includes a horizontal distal end portion terminating in an end wall and has an upward opening in the main duct wall. The duct eliminates the need for baffling structures on the vehicle.

Abstract: An improved forklift linkage device of the type engageable with the forwardly-extending forklift tines. The linkage device includes a horizontal frame having a front tool-supporting portion and a rear securing portion extending rearwardly therefrom at a lower level to a rear edge. Tine-receiving channels extend forwardly from a position forward of the rear edge, and the securing portion has portions designed to interlock with the vertical standard of the forklift when the linkage device is raised on the fork.

Abstract: A tractor power take-off shaft shield assembly having a pair of spaced side plates on either side of the shafts, a movable top plate which slideable between an extended position covering the shafts and a retracted position exposing the shafts, and locking devices adjustably holding the movable top plate in position across the side plates. This shield assembly improves accessibility to and visibility of power take-off shafts and ease of operation in attachment and detachment of implements.

Abstract: An improved roll-over protection system for a tractor of the type having a three-point hitch with a hydraulic power lift. A roll-over protection structure is movable between retracted and erect positions and the hydraulic lift of the hitch apparatus is linked to the roll-over protection structure to raise and lower it. The link is either detachable when the structure is in place or has a slotted section allowing the hitch to be lifted without detachment of the link from the roll-over protection structure.

Abstract: An improved nozzle apparatus and method for automatic engagement with a bottom inlet. The apparatus is characterized by a frame and an upwardly-facing nozzle member carried by the frame and horizontally movable thereon into a position of vertical alignment with the inlet. In preferred embodiments, a blower creates an air ride for the nozzle member facilitating its positioning on the frame, and another blower creates a vacuum to hold the nozzle member in proper position for engagement with the inlet. The nozzle member is preferably conical in shape.

Abstract: An athletic shoe for field sports having a circular cleat formed on the sole in forward position substantially encompassing the ball-of-the-foot and toe portions of the sole, extending substantially across the width of the sole, and enclosing a surface coincident with the main surface of the sole. The shoe provides improved pivotability while also providing good traction, and can reduce the frequency of certain common leg injuries.

Abstract: An improved simple device for loosening, breaking up and removing concrete pavement slabs. The device has one or more planar vertical engagement members each having a generally horizontal slab-receiving slot. Each slot is bounded by upper and lower opposed edges and a crotch edge therebetween, all in fixed relative positions. The upper and lower edges extend forwardly to aligned upper and lower forward ends. The slot is dimensioned to accept and manipulate slabs, and to lift slab pieces taking advantage of the weight of the slabs to hold them for lifting. First and second pivot-mounting means are arranged to facilitate a can-opener like slab-manipulating motion.

Abstract: An improved easily-adjustable chair pedestal having two principal tubular members, including a base member and a pedestal tube therein, which are axially adjustable to an infinite number of positions and are clamped together at the desired relative positions. An off-center coil spring, which is held in proper vertical alignment by support structure, biases the pedestal tube upwardly. A clamp screw passes through an orifice in the base member and through a slot in the pedestal tube and is threadedly engaged with a locking block, located inside the pedestal tube in space provided by the off-center location of the spring, to hold the principal tubular members in position.

Abstract: A cleated athletic shoe for improved pivotability and traction on artificial turf. The sole of the shoe has a series of at least three, and preferably more, concentric annular projections, including a first annular projection encompassing nearly the entire ball-of-the-foot and toe portions of the sole and extending across the width of the sole and at least two additional annular projections spaced at progressively shorter radial locations. The enclosed sole areas are coincident with the main sole surface. Preferred embodiments include at least one and preferably more truncated-circle projections each of which are concentric with the first projection but at greater radial locations.

Abstract: A method and apparatus for improving the life of a lubricant seal located around a movable shaft where it exits a fluid-containing housing on a vehicle with an internal combustion engine having a crankcase. The invention includes removing blowby, which contains lubricating oil mist, from the crankcase and channeling it into contact with the outside surface of the lubricant seal. The apparatus and method of this invention also involve isolating the lubricant seal from dust and dirt.

Abstract: An improved high-speed cable-laying apparatus of the type which digs a kerf, lays a cable at the kerf bottom, and refills the kerf with spoil in one pass. The kerf digger is a chainline loop having ground-cutting teeth spaced along its length and restricting elements between the teeth. The chainline is preferably in the form of a narrow upright loop. Rearwardly of the chainline loop are an upright chute for directing cable to the bottom of the kerf and a trailing structure supporting a reel, cable guide means, and angled plow blades for directing spoil back into the kerf on top of the cable. The arrangement of elements is compact and maneuverable and avoids damage to fragile cable even while the device operates at high ground speed.

Abstract: An improved waterbed and waterbed perimeter support including a frame base member formed of a dimensionally-stable pliant sheet having a lower portion securable under the bladder and a lateral portion extending therefrom adjacent to the bladder perimeter along the sides thereof, rigid elongated reinforcing boards attached to each of the reinforcing portions and extending upwardly to an upper edge at an intermediate level beside the bladder perimeter, and resiliently-deformable elongated upper members extending along each of the boards and terminating in top edges along the bladder top. The upper members provide excellent lateral support for the bladder and are readily inwardly deformable.