Abstract: A base is wheel supported and carries an upright post member having laterally spaced apart brackets for engagement with two blades of a two or three bladed propeller when lifting a nose wheel. Each bracket is provided with a liner to avoid marring of blade edges. Post members of different lengths are provided for use in lifting a main gear wheel of low wing and high wing aircraft. Both of the last mentioned post members pivotally carries a lift pad for engagement with a wing surface. A method is disclosed for lifting a nose or main gear wheel off the ground to a stable elevated position. Fastener assemblies lock the propeller engaging brackets in the upright or inclined positions to engage a two bladed or a three bladed propeller.

Abstract: A protective piece of headgear including an outer cover of conventional appearance in place about and concealing an impact absorbing shell of STYROFOAM or the like. Elongate openings in the shell serve to ventilate the shell and are shaped and sized to prevent golf ball contact with the upper part of the wearer's head. Interchangeable adhesive spacer elements permit the shell to be sized to a wearer's head. Retention of the cover on the shell, either permanently or temporarily, is by a suitable adhesive.

Abstract: A railway loading dock is provided with adjacent trackage having pairs of main rails and stabilizing rails. A modified railway flatbed car is equipped along its sides with stabilizing wheels and associated support structure to retain the car bed coplanar with the loading dock surface to permit drive on loading and drive off unloading of large trucks. The railway car bed is equipped with bed extensions which primarily occupy that space between ends of adjacent cars to permit travel of trucks, in a straight or oblique manner, over the ends of adjacent railway cars. The stabilizing rails have inclined segments for gradual engagement with the car stabilizing wheels.

Abstract: A hanger nut assembly for attachment to a concrete wall form so as to embed a hanger nut of the assembly in a wall being constructed. A headless screw attaches the nut in abutment with the wall form and is readily removable to facilitate form stripping. A pipe hanger rod is subsequently engageable with the wall installed nut after wall completion.

Abstract: A combination including an electric brake control, ammeter and multiple brackets are disclosed for installation at the driver's station of a trailer towing vehicle. The brackets permit optional mounting of the ammeter on the control. A slotted opening in one of the brackets permits adjustment of the bracket about a horizontal axis for optimum viewing the bracket supported ammeter by the towing vehicle driver and also vertical positioning of the ammeter relative the brake control.

Abstract: A tubular sound absorbent device includes the cylindrical wall closed by top and bottom end walls to define an internal chamber. Located within the chamber are various sound wave attenuating devices including those of tubular configuration as well as those of frust-conical shape. The sound wave attenuating components may also include perforated tubes entirely confined within the sound absorbent unit or with a tube extending outwardly for termination in a companion structure.

Abstract: This invention relates to a conveyor assembly on a truck for transporting and mixing concrete components. The conveyor assembly is secured in place by guides permitting lineal removal of the conveyor assembly A conveyor belt is supported by rollers which are carried in pairs of recessed blocks for easy removal. The margins of the belt are in contact with barriers extending lengthwise along the conveyor which confine the concrete components on the belt. Barrier supports are of the over center clamping type to facilitate barrier adjustment.

Abstract: An ironing board for counter or table top attachment including an elongate main member for receiving the article being ironed. A pair of arms carry a disk which is beveled about its perimeter for wedged engagement with a pair of undercut rails affixed to the underside of the elongate main member to permit positioning of the elongate main member to best suit the user. A clamping arm is carried by the pair of arms and is upwardly engageable with the lip or overhang of the counter or table top. A handwheel and shaft permit upward urging of the clamping arm. A modified form of the present ironing board utilizes a clamping arm having a free end segment of reduced width to permit clamped engagement with a counter top between adjacent drawers below the counter.

Abstract: A tool including a tapered shank for installation in the chuck of a machine tool. The tapered shank includes a threaded bore in which is received a detachable tang. The tang includes a threaded segment as well as an exposed segment with flats thereon. A shoulder on the tang abuts the end of the tapered shank. A relieved segment in one version of the tang is of lesser cross sectional area than the threaded segment and constitutes a zone where fracture can occur if excessive torque is applied.

Abstract: A sight is shown on an archery bow with the sight formed from a light collecting and conducting plastic. A bead of the sight is formed by a face located on end segment at one end of an elongate, tapered main member. The main member has a relatively large, light collecting surface area to assure bead illumination in low light conditions. The light waves collected by the main member are internally conducted by the sight formed from a transparent plastic with a fluorescent dye dispersed therein. One form of sight utilizes mechanical components for attachment to a bow while a modified form forms such components from the plastic material.

Abstract: A motor driven barrier is disclosed for installation on the front end of a school bus. An elongate barrier member is carried in a stowed position adjacent the bus front bumper and upon deployment protrudes forwardly from the bus in approximate alignment with the right side of the vehicle. A motor housing includes brackets for bumper attachment. A reversible electric motor powers a driven shaft through 90.degree. or so to position the barrier. A lost motion drive includes a spiral spring which yields in the event an obstruction is encountered by the arm. A second spiral spring cooperates with the first mentioned spring to locate the barrier in an operatively disposed position forward of the vehicle and permits momentary displacement of the barrier. A pair of switches serve to establish polarity reversing motor circuits with the switches in relay controlled circuits with a driver actuated vehicle door control switch. A barrier mounted light is in circuit with the vehicle's amber light system.

Abstract: The locator includes a main body having a cup formed therein by an upright wall in which an indicator is slidably disposed. A spring within said main body urges the indicator upwardly to the surface of newly laid molten asphalt. A heat fusible retainer is carried within the upright wall of the main body in the path of the locator to normally retain same in place against spring action. Heat from the asphalt causes fusing of the retainer for release of the indicator which is repositioned to the surface of the asphalt material to facilitate locating of a buried street cover. A method is disclosed for paving a roadway having utility covers in place in the roadway.

Abstract: A brace assembly for fence and gate posts as well as corner posts is disclosed and includes upper and lower bracket assemblies for clamped engagement with a fence post. Each bracket assembly includes angular bracket members which may include diagonal flanges which serve to receive the ends of adjustable braces. Lower bracket assemblies serve to attach ground engaging members to the post. The braces are axially adjustable for attachment to the ground engaging members which may be inclined for contact with sloped terrain. A modified form of a bracket assembly includes a clamping plate with a boss through which extends a gate pintle arm to permit a fence post to serve as a gate post. A further modification of the bracket assemblies permits a steel fence post to serve as a fence corner post with braces extending downwardly and rearwardly from the corner post. Additional bracing may extend horizontally from the corner post to adjacent fence posts.

Abstract: A lure body is disclosed as having a slot in communication with a central opening in the lure body to permit attachment of the lure body to a leader or fish line by lateral passage into and through the slot into the opening. The slot width is restricted to prevent all but intentional manipulation of the leader or fish line through the slot in order that the lure body says on the leader or fish line during fishing. The wall surfaces are chamferred to facilitate line entry into the slot.

Abstract: Systems are disclosed for the driving of a truck during a paving operation by an operator located alongside the truck and adjacent the paving site. The truck transmission power take off powers a hydraulic pump with pump output being controlled by a pair of solenoid valves with one regulating fluid flow to a hydraulic drive motor driving the truck differential through a gear reduction drive while the other valve controls fluid flow to a hydraulic motor coupled to a steering component of the truck. Both of the solenoid valves are in electrical circuit with switches located exteriorally on the truck for access by the dismounted driver as is a truck brake control. Accordingly steering, braking and fore and aft truck movement may all be accomplished by an operator positioned adjacent the truck.

Abstract: A cart for use by electricians is disclosed having a main longitudinal member supported at its ends by pairs of wheels with one pair being of the swivel type to facilitate passage through narrow doorway openings of a building. End mounted post assemblies on the longitudinal member are equipped with arms for the optional carrying of wire reels or electrical conduit. Detachable post assemblies are also carried by the longitudinal member. The post assemblies include sleeves through which may be inserted a spindle on which a large wire reel may be carried. The detachable post assemblies each include a base attachable to the longitudinal member. Removal of a fastener assembly permits partial disassembly of the cart to facilitate the removal or addition of the detachable post assemblies.

Abstract: A pliable, waterproof mat has a rough, fibrous surface and a woven backing. A fabric tape extends about the mat perimeter which, along with stitching, serves to hold fabric closure pieces in place on the mat backing. Wall surface attachment, either to a room wall or a bathtub wall, is accomplished by the use of adhesively backed fabric closure pieces of either strip or patch shape with the latter used for temporary installation. A waterproof container permits packing of a damp mat in a suitcase.

Abstract: A crankpin on the crankshaft of a variable compression engine carries an eccentric bushing which is positionable about the crankpin axis to determine the length of piston stroke. To counteract the relocation of the bushing center of gravity counterweights are rotatably housed in a counterbalance of the crankshaft. Partial rotation of each counterweight shifts their centers of gravity with respect to the crankshaft axis of rotation to achieve crankshaft balancing. For positioning of the counterweights coincident with shifting of the eccentric bushing the same are shown coupled with gears. Positioning of the eccentric bushing to change piston stroke of the engine is by a motor responsive to a microprocessor and engine performance criteria.

Abstract: A foot operated electrical control is disclosed with simulated aircraft rudder pedals coupled to potentiometers for providing signals to a microcomputer having a flight simulation program. The pedals are additionally linked to one another by slides and a rocker arm for simultaneous pedal travel in opposite directions. The potentiometers may provide cumulative signals determined by pedal displacement or distinct signals when functioning independently of one another. For this latter purpose a carrier block for the rocker arm is positionable out of engagement with the foot pedals. Opposed springs of the control serve to position the pedals in an upright static position. Each pedal is coupled to a potentiometer by spring and pedal biased slides with one of the slides in wiping contact with the pedal.