Abstract: A multiple cable connector box conductively connects a plurality of multi-conductor cables. Each cable has a first multi-contact connector which is conductively connectable to a second multi-contact connector supported within the multiple cable connector box. The box or housing has a plurality of openings with each multi-conductor cable extending through one of the openings. A plurality of flexible retaining posts can hold each second multi-contact connector within the box in at least two positions such that each cable can extend into the box through at least one of two different openings by changing the second connector's position within the box. Each opening not having one of the cables extending therethrough is closed off with a cover.

Abstract: A small, accurate, reliable and economical pump which is particularly useful in intravenous (IV) feeding includes a disposable pump chamber and a pump housing. The disposable pump chamber has an inlet, an outlet, and first and second flexible rolling diaphragm pumping chambers. First and second cylinders in the pump housing are positioned to receive the first and second flexible rolling diaphragms of the disposable pump chamber. First and second pistons are movable in the first and second cylinders, respectively. In addition, first and second valves are provided in the pump housing. The first valve controls fluid flow between the inlet and the first flexible rolling diaphragm pump chamber, while the second valve controls fluid flow between the first flexible rolling diaphragm pumping chamber and the second flexible rolling diaphragm pumping chamber. A motor and cam shaft drive the first and second pistons and the first and second valves.

Abstract: A circuit for measuring the reactance of an AC reactance sensor which varies responsive to a condition to be sensed, such as pressure, is disclosed. The circuit comprises an oscillator coupled to the sensor for providing a time varying oscillator signal having a variable frequency and a substantially constant peak to peak voltage to the sensor, and a plurality of rectifiers coupled to the oscillator and to the sensor for providing the oscillator signal as a charging signal to the sensor and for providing discharging signals from the sensor, the discharging signals being a function of the reactance of the sensor, and an amplifier coupled to the rectifiers and to the oscillator for providing an input control signal to the oscillator to control the frequency of the oscillator signal as a function of the reactance of the sensor.

Abstract: A strut mounted multiple static tube providing, as shown, multiple separate static pressure measuring systems and using one probe with separate sets of pressure sensing ports for each system. The probe is designed to have a surface configuration which provides substantially identical static pressure conditions at each set of sensing ports while the axial length of the barrel portion of the sensing probe is maintained at a minimum and the pressure effects from the adjacent structures such as the strut are compensated for. The structure includes a barrel portion of the probe having a surface annular wave pattern with sections of different diameters which causes large, uniform changes in the pressure pattern along the probe to provide areas of both positive and negative pressure levels for aerodynamic compensation. The positions for the ports for the separate systems are selected from a pressure profile of the probe so the ports are located at desired pressure areas.

Abstract: A strut or boom mounted probe having separate pressure sensing ports or sets of ports axially spaced at three locations on the probe. The ports are normally located on the probe so that at 0.degree. angle of attack, the pressure difference is zero between a set of opposite ports at the most rear location. As the angle of attack varies from zero angle, the pressure difference at the aft measuring ports increases, in a positive sense with increasing angle of attack (alpha), and, in a negative sense with increasing opposite (negative) alpha angle. Pressure difference between the rear ports is also proportional to the impact pressure, q.sub.c, where q.sub.c =pitot pressure minus static pressure=p.sub.t -p. The sensor normally has a pitot pressure opening in its forward extremity and static ports located along the forward cylindrical barrel section of the unit. The pressure difference at the rear ports is divided by the pressure difference of the forward ports.

Abstract: A car top wheelchair carrier includes a carrier case mounted on the top of a car and open to one side of the car. A moving platform inside of the case is movable between a loaded position entirely within the case and an unloading position where an outer edge portion of it is downwardly hinged at an acute angle to overhang the side of the car. A wheelchair cage is provided for encompassing a folded wheelchair to be stored, and the cage includes a rectangular angle iron back frame member. A top edge of this back frame member is connected by a pair of cables to a pair of winches mounted with respect to the moving platform. The wheelchair cage, whether it encompasses and retains a wheelchair or not, is lifted up onto the platform by the winch means and the platform is then moved to its retracted position inside of the case.

Abstract: A photographic film splicer includes a supporting pad or platform on which ends of photographic film strips are supported, and a movable heat block which applies heat and pressure to a heat activated splice tape and the film ends. A heated die attached to the heat block and a plurality of spring-loaded pins supported by the platform apply heat and pressure to a portion of one of the film ends proximate the splice tape to deform a portion of the film strip. The deformed area of the film strip acts as a ramp proximate the splice tape which guides film strips over the interface of the splice tape and the film strip during operations in which the web of photographic film is cut into individual lengths and in which the individual lengths of film are stacked.

Abstract: An insulated shutter assembly is installed in a ceiling or other wall of a building and used in combination with a ventilating fan for intake or exhaust, such as a whole house fan. The shutter assembly is insulated to substantially prevent heat transfer by conduction and convection through the shutter assembly when it is closed. An integrated mechanical lock system is used with the shutter assembly to provide a positive force against elastic seals when the shutters are closed to thereby provide an airtight barrier against air movement through the shutter assembly. The individual shutter blades are insulated to provide effective resistance to conductive heat losses when closed, and are also shaped to minimize aerodynamic drag and noise when open. The shutters may be manually locked and unlocked or may be motor actuated. The shutter assembly can thus be permanently installed and when the fan is not in use will effectively block heat transfer whether the building is being heated or air conditioned.

Abstract: A modular panel wall system having connectable prewired electrical harnesses in panel top raceways and transition connectors coupling the electrical lines across connecting posts on which the panels are mounted. The transition connectors conceal the wiring in panel junctions. The panels are removably joined at a post. In order to disconnect the panels from the post, the transition couplings extending between the panels must be removed for safety. Lower raceways of the panels have openings into which receptacles for electrical power can easily be inserted, and wires are transferred within a vertical member from the top raceway to the bottom. The receptacles are isolated from the main lower raceways to permit the lower raceways to be used for communication wiring.

Abstract: For rapidly restraining and releasing a flexible line, a cleat device including a base; a plurality of at least three jam cleats mounted on said base in juxtaposition with adjacent open ends facing in opposite directions; and at least one pair of hooks, one each on the base adjacent and outside the first and last jam cleats. The jam cleats each include an upper face and a lower face converging to form a first acute angle. In a preferred embodiment, at least one face of each jam cleat includes a longitudinally extending ridge thereon.

Abstract: A deburring machine comprises a frame supporting a plurality of motor driven deburring brushes. At least two of the motors are spaced apart and a workpiece carriage is supported between them and movable generally in direction along the axis of rotation of the motors. A workpiece on the carriage engages the brushes driven by the motors to deburr the ends of a workpiece held on the workpiece carriage. The motors are adjustable to accommodate different lengths of workpieces, and also the workpiece holder itself is adjustable for different workpiece sizes.

Abstract: A processor of photosensitive material includes an automatic control system for providing anti-oxidation replenishment and preventing anti-oxidation overreplenishment, as a function of a stored anti-oxidation replenishment rate and anti-oxidation replenishment provided by exhaustion replenishment. A time interval of a predetermined duration is initiated by the control system. During the interval, the control system provides exhaustion replenishment based upon the area and density of photosensitive material processed. At the end of the interval, the control system compares the anti-oxidation replenishment required due to expired time to the amount of anti-oxidation replenishment provided by the exhaustion replenishment during that time interval. The control system then causes the needed amount of anti-oxidation replenishment to be added to the developer tank.

Abstract: A processor of photosensitive material includes an automatic control system for providing anti-oxidation replenishment and preventing anti-oxidation overreplenishment, as a function of a stored anti-oxidation replenishment rate and anti-oxidation replenishment provided by exhaustion replenishment. A fixed time interval is initiated after which the anti-oxidation replenishment required due to expired time is compared to the amount of anti-oxidation replenishment provided by the exhaustion replenishment in that time interval. An amount of needed anti-oxidation replenishment is added to the developer tank, as a function of the difference by which the required anti-oxidation replenishment exceeds the anti-oxidation provided by exhaustion replenishment.

Abstract: A pulse width modulation (PWM) speed control for a DC electric motor includes an encoder for providing encoder pulses in reponse to incremental rotation of a shaft driven by the motor. A timer senses a time period between encoder pulses. After three consecutive sensed time periods, a microcomputer compares the sensed time periods with a desired time period corresponding to a desired motor speed, and provides a digital value which is a function of the comparison of the sensed and desired time periods. The ditigal value is supplied to a timer, which applies an energizing pulse to the DC motor for an interval which is a function of the digital value.

Abstract: A rocking chair includes a chair which is carried with respect to a chair base by a flexible sheet connected between the chair base and the chair. The flexible sheet supports the weight of the chair and its occupant while permitting rocking of the chair back and forth in a plane normal to the major surface of the flexible sheet. The flexible sheet is preferably inclined with respect to the vertical at an angle of between 5.degree. to 15.degree.. Stops are provided which limit the flexing of the flexible sheet so that the occupant of the chair cannot tip the chair while rocking.

Abstract: A photographic film splicer includes a supporting pad or platform on which ends of photographic film strips are supported, and a movable heat block which applies heat and pressure to a heat activated splice tape and the film ends. A heated die attached to the heat block and a plurality of spring-loaded pins supported by the platform apply heat and pressure to a portion of one of the film ends proximate the splice tape to deform a portion of the film strip. The deformed area of the film strip acts as a ramp proximate the splice tape which guides film strips over the interface of the splice tape and the film strip during operations in which the web of photographic film is cut into individual lengths and in which the individual lengths of film are stacked.

Abstract: A hydraulic furnace or heat source comprising a rotor including a plurality of counterrotating discs which circulate a hydraulic fluid under pressure, and in so doing the rotor converts the input energy into heat energy in the hydraulic fluid, which can then be used as a radiant heat source or used in a heat exchanger to provide for forced air heating of buildings or other structures.

Abstract: The present invention relates to a support for articles mounted on a generally upright surface. The invention comprises a bracket, an insert body member which has two insert elements, and an elongated article support or rack attached to the insert body. The bracket is mounted on the upright surface and acts in cooperation with the surface to form an aperture. The two insert elements of the insert body member are generally perpendicular and each insert element is positionable in the aperture. When the body member is positioned for use with one insert element in the bracket, the article support extends generally perpendicular to the surface, and when positioned for storage with the other insert element in the bracket, the article support or rack is positioned generally parallel to the upright surface.