Abstract: A headlamp assembly that is particularly adapted for use by auto mechanics, and has as its principal components an adjustable headband to which two overhead straps are secured and a lamp that is slidably mounted on one of the straps. The lamp is pivotally connected by a double pivot mechanism to a slide member that can be positioned at any point along said one overhead strap. In the selected position, the lamp can be moved into a wide range of different angular positions.

Abstract: Monitoring apparatus for sensing the temperature within a refrigeration unit that experiences periodic defrosting cycles. The apparatus is capable of discerning the differences between a normal defrost cycle and system failure and provides a warning signal when a failure occurs.

Abstract: A tool for removing unwanted metal from the inside of a pipe weld joint that is being repaired between two pipe sections. The tool is designed to be passed into the joint region after the defective weld segment has been removed. The tool consists of an elongated shank integral with a circular cutting segment having teeth on the upper surface thereof for removing unwanted metal from the inside of the weld joint. The shank and the circular body section are both thin enough to permit the body section to be passed through the repair opening left behind by the removal of the defective weld section. The shank is adapted to be coupled to a power drive for rotating the cutting segment at a desired speed.

Abstract: A vehicular lamp suitable to be employed as a snowplow light employs two twin-element bulb lamps of the bayonet type as combined turn signal and parking lights, and has a lampholder arranged for mounting both the lamps. The lampholder includes a conductive bulb retainer plate and a pair of conductive resilient contact strips disposed in parallel with each other and in parallel relation with and spaced from the retainer plate. A lampholder body of a non-conductive plastic material mounts the bulb retainer plate and the contact strips, with the latter enjoying at least limited flexing motion towards and away from the retainer plate. A non-conducting resilient member, which can be an elastomeric compression grommet, is seated in the lampholder body behind the contact strips at the location of the end pins of the lamp, and urges the contact strips into contact with the associated lamp end pins.

Abstract: A stocking display device having a plurality of stocking forms mounted on a support in such a manner that each form can be moved into a number of different angular positions whereby a fan-like arrangement of the forms can be achieved. The support for the forms includes positive locking means to securely hold each stocking form in the angularly adjusted position into which it has been moved.

Abstract: A lid for closing an electronic package that exhibits high resistance to corrosion. The lid includes a metal substrate and a multi-layered protective coating which has low porosity when compared to a single layer coating of the same thickness yet has good soldering properties that enables the lid to be hermetically sealed to the package container. The multi-layer coating includes an initial electroplated layer of nickel followed by a thin interlayer of a noble metal and a second layer of nickel electroplated over noble metal. A top layer of gold is then electroplated over the nickel-noble metal-nickel sandwich to complete the lid structure.

Abstract: A single message recording and readout device that employs a rigid elongated stick having at least one flat surface thereon containing a magnetic recording tape for recording and playing back short messages. A guideway for slidably receiving said stick passes through a housing containing a drive unit and appropriate electrical recording and playback circuitry. The drive unit includes a pair of pinch rollers that are mounted within the passage of the guideway for driving the stick along a linear path of travel past a magnetic head. A switch, which is operatively connected to the drive unit, and the recording and playback circuitry is positioned at the entrance to the passage which activates the drive unit as the leading edge of the stick passes through the entrance region and which further deactivates the drive unit when the trailing edge of the stick clears the entrance region.

Abstract: An instrument for viewing the vent of a chimney while the chimney is working that includes a quartz rod that is mounted in the chimney above the flue entrance thereto. The rod is adapted to transmit light travelling down the chimney to a viewing station outside the chimney wall to provide valuable visual information concerning the condition of the chimney and the burning efficiency of the fire.

Abstract: An add-on alarm system for use in conjunction with an audio detector. The system includes an indoor unit that is audibly coupled to the detector and an outdoor unit containing an independent power supply that communicates with the indoor unit to provide an alert signal for directing rescue operations. The outdoor unit includes a relay which is energized by a signal from the indoor unit to close a contact in an alarm circuit and thus generate an alert signal. The relay is held energized by the outdoor power supply so that the alert signal persists in the event the detector or the indoor unit becomes disabled.

Abstract: A die cut wick for use in a burner having a rectangular body that contains two half sections that are folded back into a face to face alignment. Each half section further contains a tab upwardly disposed from the top surface of the body, the tabs being centrally positioned on the half sections with the top surface of the body extending laterally to either side to form a shoulder. The tabs of the wick are folded against each other and passed upwardly through a hollow stud secured to the lid of the fuel container. The shoulders of the tabs abut the bottom surface of the lid to prevent the tabs from being drawn entirely through the stud and the body is secured to the bottom of the lid using holt melt glue or the like. The end of the tabs extend beyond the top of the stud to form the flame region of the burner. The end of the tabs extend beyond the top of the stud to form the flame region of the burner. The burning rate and heat output of the flame is controlled by separating the exposed ends of the tabs.

Abstract: A portable power unit for unloading a silage wagon which unit is adapted to be conveniently mounted on the back of the truck used to tow the wagon. The power unit comprises a gasoline engine and a gear reduction unit that is driven by the engine, the reduction unit having a splined output shaft that is adapted to be connected to the self-unloading wagon to power its conveyor. The engine drives the gear reduction unit through a normally loose belt, and a clutch is provided that takes the slack out of the belt when the clutch is engaged. The belt pulley for the gear reduction unit has a brake disc connected to it which coacts with a caliper brake. The brake is actuated by the clutch when the latter is disengaged and operates to hold the brake disc and its pulley against rotation.

Abstract: A post and panel type noise barrier fence is formed of a plurality of concrete vertical posts or columns which have grooves to hold flat concrete panels between successive ones of the columns. The panels can have a stepped lower edge to accommodate elevational changes in the terrain. Also, certain of the columns have oppositely disposed recesses angled from each other so as to accommodate directional changes at the columns in the direction of the barrier fence.

Abstract: Inherently tacky, elastomeric, solvent-dispersible, solvent-insoluble, polymeric microspheres prepared using a cationic emulsifier. The tacky microspheres are particularly adapted for use as a low tack microsphere glue that can be applied to a sheet material substrate whereby the latter is provided with a reusable adhesive surface.

Abstract: A decorative table combination includes a transparent top supported above a base, and a marine or aquatic creature figure representing a duck, beaver, whale, etc. To create the illusion that the creature is swimming or floating, with the transparent top representing the surface of the creature's habitat, the figure is cut at its natural water line. An upper portion of the figure is supported on the table top, and a lower portion, representing the submerged legs and feet, e.g., of the swimming or floating creature, is supported on the under surface of the table top, directly beneath the upper portion. The two portions can be joined magnetically across the table top. Supports for the table can be fashioned to resemble submerged driftwood, tree branches, or lily pad stems, with suitable continuation members on the table top to give the illusion that the support members break the water's surface.

Abstract: A rotating welding fixture for holding a pipe fitting against a welding table so that socket welds can be fabricated in one continuous operation. A locking dowel is passed into an opening in the fitting and the fitting locked between the table top and the dowel so that the entire weld region is fully exposed to the welding rod. The table is rotatably supported in a base so that the work can be turned past the welding rod to complete the weld without having to break the weld bead.

Abstract: An apparatus for removing tubes from a tube sheet, wherein the tube to be removed is engaged from the side of the tube with the force for withdrawing the tube being applied against the outer peripheral surface of the tube by a tube-pulling device which, when in operative engagement with the tube to be removed, is positioned parallel to the tube and engages the outer peripheral surface thereof. A selectively actuable reciprocating hydraulic cylinder provides gripping engagement with the tube to incrementally retract the tube relative to the extracting apparatus, while continuously maintaining a positive engagement with the tube throughout the removal operation.

Abstract: A wheelchair having a hand operated steering mechanism that can be easily mounted and/or dismounted from the chair. The mechanism involves a steering rod having a center section cojoined to an upper section and a lower section by means of a pair of universal joints. The lower section of the shaft is slidably secured to the fork of one of the chair casters and the top section is rotatably mounted in a bearing block which is, in turn, secured to the front column of one of the chair arms. A crank arm is slidably received in the top section of the steering rod to provide sufficient leverage by which the chair occupant can turn the caster. An adjustable locking mechanism is also operably associated with the shaft for holding the caster at a desired position to prevent the chair from moving in an uncontrollable manner.

Abstract: A refreshable dynamic memory is used to drive a video display wherein each row of stored memory is accessed to provide one line of video. The memory row address counter is incremented a number of times during the horizontal retrace period to sequentially refresh a given number of memory rows before another row is displayed. The cycle is repeated until an entire field is displayed. A sufficient number of rows are refreshed during each line whereby the rows are refreshed continually within the storage time of the memory cells.

Abstract: A thin film stripe that includes a conductive metal alloyed with at least one other element capable of chemically bonding with hydrogen and a compound formed by hydrogen chemically bonded with at least one other element in sufficient amounts to increase the stripe's resistance to electromigration failure at normal operating temperatures and pressures.