Abstract: A low pressure hot water parts washing apparatus recirculating a heated water/detergent solution and spraying same from a perforated manifold onto oily and dirt-laden parts carried by a rotary turntable. The turntable is peripherally mounted by bearings spaced about a conical solution reservoir tank to support parts without turntable tilting. The solution is drawn from the conical reservoir tank through apertures in a radiator tube housing heating elements, the elements being cleaned by a continual flow of solution passing thereover while efficiently heating the solution.

Abstract: An improved pull-on clip intended to position and maintain in place a reflector trim within a downlighting housing or “can” and particularly to bias the trim against an opening in a ceiling to retain a finishing flange of the trim in place about the opening. The present clip can be manually assembled to the trim by means of a snap-fastening structure provided on an attachment end of the clip, the use of tools being unnecessary for assembly of the clip to the trim. The clip facilitates lamp positioning within the can and thereby within the fixture such that optimum lamp performance is obtained.

Abstract: A solid state detonator is made using a silicon chip with appropriate surnding sections to provide the resistance path necessary to detonate a primary explosive. The chip is set on a metal-to-glass-to-metal header to provide uniformity of current and insulation capabilities. A gold mesh is used as a conductor connected to a chromium-silicon resistor film. This provides a uniform annular heating ring for detonation purposes. The silicon chip may be doped for high conductivity and low resistance. This arrangement provides fast function with moderate power pulses while the thermal design permits high no-fire current levels.

Abstract: An improved booster construction having a metallic covering with a plural of apertures therein encases a booster charge which, in turn, is encased in a nonmetallic cup having a low temperature melting characteristic permitting the booster charge to expand during thermal cook-off to prevent reaching critical temperature pressure relationships.

Abstract: A programmable fuze for initiating weapon warhead detonation. The deacceltion of the weapon warhead is measured by an accelerometer. The output of the accelerometer is integrated to obtain velocity and subsequently digitized and stored in a microcomputer or microprocessor. A zero-slope detector indicates to the microcomputer or microprocessor if the forward velocity component is constant for a given time. This indicates whether the weapon warhead has entered a cavity in the target. The microcomputer or microprocessor has an algorithm programmed into it so that it determines whether certain dynamic variables have exceeded threshold values thus initiating a detonating signal to a firing circuit. The dynamic variables are the distance of travel of the weapon warhead into the target, the deceleration level of the weapon warhead in the target, the transverse velocity component of the weapon warhead in the target, and the number of cavities entered.

Abstract: A semi-automatic firearm having a slide axially movable with respect to a frame between a forward battery position where the firearm is discharged, and a full recoil position where the spent cartridge is extracted and a new cartridge is subsequently loading. Either a pair of oppositely wound, concentric springs or a flat helical spring extends between the slide and the frame to form a recoil mechanism which resiliently biases the slide toward battery. The slide partially surrounds a barrel which is pivotally secured to the frame toward its rear end through a link. The slide contacts the barrel at a point diametrically spaced from the link when the slide is in battery thereby resiliently biasing the barrel in a forward direction which imparts a rotational moment to the barrel about the pivot axis of the link. The rotational moment forces the front end of the barrel downwardly against two distinct support areas on the slide.

Abstract: A conductor plated on a frangible substrate. The unit is potted in a silicon base compound, placed in a header, and attached to a printed circuit board. This assembly is then encased in a housing using epoxy resin potting compound. The circuit is protected from breakage due to mechanical shock by the epoxy resin but is immediately broken by an explosive shock wave which fractures the substrate and the conductor and opens the circuit.

Abstract: A semi-automatic firearm having a slide axially movable with respect to a frame between a forward battery position where the firearm is discharged, and a full recoil position where the spent cartridge is extracted and a new cartridge is subsequently loading. Either a pair of oppositely wound, concentric springs or a flat helical spring extends between the slide and the frame to form a recoil mechanism which resiliently biases the slide toward battery. The slide partially surrounds a barrel which is pivotally secured to the frame toward its rear end through a link. The slide contacts the barrel at a point diametrically spaced from the link when the slide is in battery thereby resiliently biasing the barrel in a forward direction which imparts a rotational moment to the barrel about the pivot axis of the link. The rotational moment forces the front end of the barrel downwardly against two distinct support areas on the slide.

Abstract: An explosive cartridge for use in an explosive column train by end to end coupling of a plurality of cartridges. Each cartridge comprises a cylindrical containing shell having an open rear end in which is a closure plug. In the pre-mix condition, the cartridge contains a first solid component of a two part explosive. In field use the closure plug is removed and a liquid second explosive component is poured into the cartridge and the plug reinserted to form a sliding watertight seal with the cartridge. When several of the cartridges are joined in end to end relationship to form the explosive train, the nose end of one cartridge moves the plug of the adjacent forward cartridge inwardly to take up the slump in the explosive composition and maintain the closure plug seal.