Abstract: A landscape lightpost that provides a substantially sealed wire compartment. The lightpost includes a main post, a cap, a housing base, and a housing separator. The housing separator locks onto the housing base to form a locked wire compartment isolated from the ground. The lightpost includes a receptacle aperture in the cap for mounting an electrical receptacle, switch, sensor or the like and a light aperture for mounting a light assembly. The receptacle aperture is covered by a sealable lid that matches the external configuration of the cap.

Abstract: An indicator suitable for signaling restricted flow of a fluid through a filter mounted in a filter assembly is disclosed. The indicator includes a housing having an inner cavity. A diaphragm is disposed within the housing and separates the inner cavity into first and second chambers with a seal. The first chamber is adapted to be in fluid communication with the filter assembly, and the diaphragm is deflectable from a neutral position in response to applied pressures within the first and second chambers. A tab assembly, having a hole, is included in the indicator opposite the diaphragm form the first chamber. The tab assembly also includes a flag moveable along a first axis from a first position wherein the flag is within the housing and a second position wherein the flag extends from the housing. A pin is operably coupled to the diaphragm and protrudes along a second axis into the hole when the diaphragm is in the neutral position.

Abstract: A landscape lightpost that provides a substantially enclosed wire compartment. The lightpost includes a main post, a cap, a separator plate, and structure for positioning the separator plate between the main post and cap, to form the substantially enclosed wire compartment.

Abstract: A container includes a casing defining an annular chamber for a volume of thread or wire pre-wound into coils to accommodate therein without becoming tangled, and a cover detachably closed onto the casing. A clearance exists between an upper peripheral edge of the casing and a lower peripheral edge of the cover when the cover and the casing are closed, allowing a free end of the thread or wire in the annular chamber to locate outside the container via the clearance. Therefore, the thread or wire in the container could be easily accessed and pulled outward at the free end for use without the need of opening the cover. The container could be refilled with a new thread or wire and therefore could be repeatedly used.

Abstract: A lighting apparatus includes a first portion and a second portion which form an enclosure for a light source. The first portion extends from a first end to a second end, where the first end has a collar adapted to couple with an electrical socket with a snap fit connection. The electrical socket receives a light source therein. The second end of the first portion is hingedly coupled with the second portion, thereby allowing removal of the light source.

Abstract: A fuel filter restriction indicating device communicating with the supply of fuel passing from a fuel tank to an internal combustion engine. The indicating device senses a decrease in the supply of fuel drawn through the fuel filter by the engine based upon changes in the amount of vacuum in the negative side of the fuel supply, the amount of restriction being indicated by the movement of an indicating device. A mechanism included in the indicating device senses the movement of the indicating device and progressively locks the indicating device into various indicating positions as the vacuum increases due to an increased restriction of the filter, so that the maximum reading of restriction achieved during engine operation remains visible to the operator or maintenance personnel even after the engine is turned off.

Abstract: An air restriction indicating device for measuring very low ranges of filter restriction (e.g., on the order of 0.0 to 1.5 inches of H.sub.2 O or 0.0 to 0.54 psi) in a micronfilter used in vehicular heating/ventilation/air conditioning (HVAC) systems. The indicating device includes a housing that is separated into two sub-chambers by a flexible diaphragm. A indicating member is carried by the diaphragm so that the diaphragm and the indicating member move, within the housing, responsively to changes in the pressure of the air flowing in the HVAC system caused by restrictions in or clogging of the micronfilter. To facilitate reading, the indicating device also includes structure that progressively locks the diaphragm and indicating member in position.

Abstract: An indicating device includes a housing that is separated into two sub-chambers by a flexible diaphragm. A indicating member is carried by the diaphragm so that the diaphragm and the indicating member move, within the housing, responsively to changes in the pressure of the air flowing through an air intake system caused by restrictions in or clogging of the air intake filter. The indicating device incorporates an electromechanical sensor for monitoring the position of the diaphragm and producing an output signal responsive thereto. In one embodiment, the sensor is a potentiometer which produces an output signal which varies continuously between a first value when the diaphragm is at its unrestricted position and a second value when the diaphragm is at its restricted position. In a second embodiment, the sensor includes a switching circuit which produces a switched output signal which varies between at least three states corresponding to three different diaphragm positions.

Abstract: A protective device is provided for discontinuing the operation of an internal combustion engine having two banks of cylinders, each cylinder bank having an associated pressurized cooling circuit. Each cooling circuit has a separate pump which circulates liquid coolant by increasing the coolant fluid pressure at the pump outlet relative to the pump inlet.

Abstract: In a lubricant delivery system for use in an air compressor having a rotatable crankshaft and an internal chamber accessible by removal of an inspection plate having inner and outer surfaces, a positive displacement fluid pump mounted in the internal chamber and fluid lines for conveying lubricating fluid from the pump to a removable filter mounted on the outer surface of the inspection plate. Pressure relief means are associated with the filter for relieving pressure above a set point, and a distribution ring is adaped to circumscribe the crankshaft for introducing lubricating fluid to the crankshaft and from there to areas where lubrication is required.

Abstract: An integrated, miniaturized, imaging assembly, comprising microscope sized and arranged video camera lenses having the objective lens thereof in a mount that is preferably a blackened sphere and that is pivotally mounted in a supporting structure rearwardly of the objective lens, so at least the forward end of the lens mount can be placed within a concave viewing dome of unusually small and shallow size, with the supporting structure substantially wholly outside of and behind the, concavity of such viewing dome and so that the imaging assembly can be tilted and panned to sweep over a broad viewing area with minimum intrusion of the viewing dome thereinto. The imaging assembly includes an electronic image-acquisition device in line with the optical axis of the lenses, and can include electronic camera circuitry.

Abstract: An integrated, miniaturized, imaging assembly, comprising microscope size and arrangement, video camera lenses having the objective lens in a mount that is preferably a blackened sphere and that is pivotally mounted in a supporting structure rearwardly of but adjacent to the objective lens, so the forward end of the lens mount can be placed within a concave dome of unusually small and shallow size with the remainder of the imaging assemby outside of and behind the concavity of such viewing dome, and can be tilted and panned to sweep over a broad viewing area with minimum intrusion thereinto. The imaging assembly includes an electronic image-acquisition device, in line with the optical axis of the lenses, and electronic camera circuitry preferably remote therefrom. An easily movable, tripod type of mount for the imaging assembly is adapted to rest on ceiling or other structure in which the viewing dome is mounted.

Abstract: A portable vacuum cleaner has a two-part housing comprised of an upper part and a lower part, a handle attached to the upper part by two enlarged substantially arcuate shaped end portions on the handle, a recess formed between the arcuate portions and a part of the housing for the removable storage of accessories such as nonflexible extension tubes, a motor within the housing, a rechargeable battery within the housing to drive the motor, a turbo-impeller within the housing operatively connected to the motor to be driven thereby, a dust collecting means in the housing, a dust filter surrounding the impeller and protecting the impeller and motor from dust collected in the dust collecting area, and an opening in the housing for the attachment of accessories operably connected to the suction circuit produced by the impeller.

Abstract: Waste water containing particulate matter is saturated with air or other gas by a dynamic mixer and ejected into a gravity filter system at a point above the filter media but below the water surface level. Upon entering the filter tank, the dissolved gas is released, forming small bubbles on filterable particles to float these particles to the surface for removal. The system further includes a back pressure valve at the sewage inlet port which, if obstructed, is automatically flushed. During the backwash cycle, the water level above the filter bed may be lowered to the level of a wash-through zone, and filtered water then pumped upward through the filter media, thereby carrying particles from the filter media out through the wash-through zone.