Abstract: An automatic end closure system for use in conjunction with a typical telescoping bleacher assembly. The automatic end closure system substantially blocks ingress and egress to the undersection of the telescoping bleacher assembly which prevents mischievous or curious spectators from causing harm to themselves or to the equipment contained in the undersection. The automatic end closure system basically includes a plurality of panels, a plurality of guidance tracks, a plurality of panel locking engagements and wheels. Each of the panels may be composed of an inner metal framing covered with a wooden facade. The automatic end closure system may be an add-on or integrated component of the telescoping bleacher assembly. Once connected to the telescoping bleacher assembly, the automatic end closure system automatically expands and retracts with the expansion and retraction of the telescoping bleacher assembly.

Abstract: A portable fold-up, tray attachable to the steering wheel of a motorized vehicle made up of two rigid, U-shaped frames of different size so that the smaller thereof is nestable within the larger frame corresponding arms of the two frames are pivotally interconnected to afford folding movement of the smaller frame relative to the larger frame. Stops are provided for limiting such folding movement and a pair of rigid links are pivotally joined to the arms of the larger frame to move outwardly therefrom in a direction opposite to the movement of the smaller frame; such links carrying parallel, elongated members for embracing the front and back sides of a peripheral portion of the vehicle steering wheel whereby to removeably support the tray in working position.

Abstract: A turn-table attachment mountable on the tines of a vehicle mounted, vertically moveable, lift fork comprising a base frame with tubular tine receptive sockets, a turn-table rotatable about a fixed vertical axis projecting upwardly from the base frame, an auxiliary lift fork mounted in fixed position on the turn-table and having parallel spaced fork tines projecting radially outwardly of the turn-table periphery, power operated actuators carried by the base frame and selectively coupled to the turn-table for rotating the latter through an arc of at least 180.degree. whereby to position the auxiliary forks on opposite sides of the vehicle as selected.

Abstract: A cooking grill apparatus having superposed, vertically separable, heated grill plates, the uppermost one of which is pivotally connected to the outer ends of two laterally spaced arms which pivot simultaneously about an elevated horizontal pivot axis whereby the upper grill is moveable about such pivot axis with and selectively relative to such spaced arms. The upper grill carries a pair of like parallelogram linkage systems along its lateral margins which include adjustable stop means for engaging parallel stationary reference surfaces paralleling the plane of the cooking surface for the stationary lower grill plate. Selected movement of the parallelogram linkage system to change the vertical position of the stop means is determined by selectively operable gauge means for limiting movement of the linkage systems and thus movement of the stop means towards the references surfaces whereby the spacing between the two grill plates during cooking operation is correspondingly selectively limited.

Abstract: An adjustable cantilever mounted shelf and support assembly is disclosed in which a generally quadrangular planar shelf structure is fitted with a pair of rigid, fixed anchor brackets extending from rear corners of the shelf. Each bracket includes a linear body having a parallel offset upstanding peg at its upper end aligned at an acute angle to the plane of the shelf and a co-planar rearwardly extending peg at its lower end aligned parallel to the plane of the shelf; selected of such pegs being insertible into appropriately spaced openings in corresponding walls of vertical support members to effect mounting the shelf in either horizontal or inclined positions as selected.

Abstract: A unitary merchandise display pedestal having a plurality of tubular co-planar legs of polygonal cross section extending radially from a central hub formed by a pair of horizontal parallel spaced weld plates welded to a vertical tubular sleeve post for supporting a vertical mast; the tubular legs being positioned so that opposite exterior corners of their polygonal cross sections engage raised weld beads on the pair of weld plates whereby to produce efficient resistance welding of the legs and weld plates; resistance welds are also employed to secure the tubular post to the lowermost weld plate.

Abstract: A unitary cylinder useful in internal combustion engines having external threads at one end for a connection with the engine; the cylinder providing internal bearing support to an associated piston mounted internally thereof and external bearing support to a cam actuated saddle embracing the cylinder's exterior. Elongated openings in opposing walls of the cylinder accommodate passage of a transverse wrist pin connection between the internal piston and external saddle.

Abstract: A self-contained, power operated, portable target apparatus utilizing a base supported, linearally reciprocal carriage actuator driven by a reversible AC electric motor to actuate a crank along a vertical arc; the crank having pivotable connection with the carriage actuator at one end and positive fixed connection at its other end with a horizontal rotatably supported drive shaft for partially rotating the shaft in response to limited linear movements of the carriage actuator. Two, laterally spaced co-planar lift arms are secured to the shaft for movement between vertical and horizontal positions. Elongated target supporting pins project from near the outer free ends of the lift arms for inserted reception in connector sockets extending into the body of a three dimensional target. Heavy springs are coupled to the carriage actuator for assisting the motor in overcoming the inertia of the target load as it is raised from a horizontal or prone hidden position to an upright display position.

Abstract: A compact, bagel-proofing kettle structure of substantially square or rectangular configuration having an open top and a planar bottom over covered by a perforated grid plate operable to promote water turbulence during boiling. The kettle is featured by planar side walls and removeable interior baffles mounted to provide radiused interior corners for the kettle which promotes free, uninterrupted circulation of raw bagels about the kettle's interior during the dough proofing operation without damaging the bagels.

Abstract: An annular closure ring for securing a cover in sealed relation over the open upper end of a cylindrical storage drum or similar container is disclosed in which a split ring is closed about the periphery of the drum and its cover by tightening a headed tie bolt between a pair of laterally spaced lugs fixed to the split ring on opposite sides of the split therein; one of the lugs having a threaded opening therethrough for engagement with the threaded body of a headed tie bolt and the other lug having an enlarged opening therethrough for free passage of the bolt body.

Abstract: Apparatus for destroying bio-hazardous sharp metallic instruments or "sharps" typified by hypodermic needles, hemodialysis fistula and the like wherein a stationary electrified anode is in circuit making engagement with the metallic instrument to be destroyed and the later establishes short circuit engagement with a moveable grounding electrode comprising a rotatably driven annulus or spiral wheel ramp moveable across the an outer end and progressively along the lengthwise axis of the instrument such that a majority of the instrument is burned away and volatilized by short circuit current flow between the metallic instrument and the grounding electrode.

Abstract: An explosion proof power supply enclosure for hazardous atmosphere lighting systems having multiple, identical explosion proof inlet and outlet openings to handle both high voltage AC circuits and low voltage DC intrinsically safe circuits. Each enclosure has thick, flat metal plate end walls and a plurality of identical circular openings located side-by-side in such walls. Each opening has an internal smooth walled surface configuration defining one side of a flame-quenching path. For AC power connections, explosion-proof receptacles are fitted in some of the openings with each receptacle having external surface configurations that define the other side of the flame quenching path.

Abstract: A low profile, bi-directionally snow-plowable road marker having a cast metal base or body of generally square plan configuration formed on its underside with laterally spaced oppositely curved arcuate rib members flanked by transversely extending webs and protrusions located centrally of the body and acting with the rib members to self-center the cast body in a shallow arcuate depression of single radius formed in a roadway pavement; the webs and protrusions being configured to evenly distribute adhesive over the bottom, sides, ends and over portions of the upper side of the cast body to encapsulate and lock the same securely in the pavement depression.

Abstract: The guide head is used in pairs secured above and below the work table of a band saw machine, to twist the blade up to 90.degree. enabling the machine to cut off a length of a work piece exceeding the throat dimension of the machine. Each guide head comprises a casing having a plug swivelable up to 90.degree. within it. Each swivelable plug has a vertical opening through which a saw blade can be trained. Each plug has upper and lower pairs of side guide rollers rotatably journaled on spaced, parallel, removeable pintles. Each roller has large- and small-diameter cylindrical end portions. The large-diameter portions are spaced apart to engage opposite sides of a band saw blade trained through the swivelable plug.

Abstract: An underground agricultural irrigation system in which annular semi-cylindrical or concave-convex water reservoirs, formed by splitting used or abandoned vehicle tire casings in half, are buried concave side up at appropriate subsurface depths to trap and retain moisture used to nurture overgrowing plant roots. In a modified version concave moisture retaining caps are mounted over the open centers of each reservoir to increase moisture retention capacity.

Abstract: This invention is a pipe support for a pipe covered by a cylindrical bat of insulation. The insulated pipe is suspended by a pipe hanger having a clevis extending round and beneath the pipe. The pipe support comprises an upwardly concave saddle engageable with the underside of the pipe within the insulation. A pipe support base is secured to the clevis and comprises a bracket fixedly secured to the clevis by a lock bolt; alternatively, a portion of the clevis may serve as the pipe support base. Top and bottom ends of a vertical connector are secured respectively to the saddle and to the support base. A vertical connector extends through the insulation at the bottom of the pipe. The ends of the connector are fixedly secured respectively to the saddle and to the support base. In one embodiment, the connector is a single shaft or rod. In another embodiment, the connector is a rod removably telescopically assembled within a hollow sleeve.

Abstract: A male under garment, particularly male boxer type underwear shorts is disclosed having an interior liner panel suspended from the frontal waist area and central crotch zone oil the garment to provide a loose fitting, suspensory support for depending male body portions.