Abstract: Louvered roof apparatus is disclosed which includes a plurality of overhanging louvers to provide shade as an integral part of a roof.

Abstract: Assemblies of collated film sections and related prints, each belonging to a customer, are fed seriatim into a tray at the right-hand side of a horizontal table in front of a seated attendant so that the attendant can remove an assembly with the right hand while the left-hand opens the corresponding customer pocket which is held in a position of readiness at the left-hand side of the table. The attendant can observe the collating operation by inspecting successive film frames while the frames move above an illuminated window below and in front of the web of photographic paper with exposed and developed prints thereon. The pockets are removed seriatim from a magazine and are transported to the left-hand side of the table where the rear panel of an oncoming pocket is held by suction to facilitate the task of opening the pocket by pulling the front panel away from the rear panel.

Abstract: A packaging machine in which a belt-shaped packaging sheet fed continuously is cut to a predetermined length while being guided and conveyed in a direction intersecting the conveyance direction of articles to be packaged. Position detectors detect the arrival of the top end of said packaging sheet, detect the arrival of each article at a position before the position where said article crosses said packaging sheet and the arrival of the top end of the packaging sheet returned from the feeding limit position by being moved as said article abuts against said packaging sheet and is further conveyed, at a predetermined reverse return position. The detectors are used to generate the necessary control signals for feeding and cutting the packaging sheet.

Abstract: In a twin packaging machine composed of two packaging units each including a folding device, an inlet path for feeding objects to be packaged to the device, a member storing a sheet of packaging material, a device for cutting successive packaging foils from the sheet, and an outlet path for the finished packages, the longitudinal axes of the inlet and outlet paths lying at least approximately in a common vertical plane, the sheets of packaging material are arranged in juxtaposition between the outlet paths of the units and are disposed to enter into the devices from the side opposite that at which the objects to be packaged enter the devices, the machine is provided with a support, and the inlet and outlet paths and the sheets of packaging material of the two units are symmetrically arranged relative to the longitudinal axis of the support.

Abstract: A hay conditioner is provided with a crop deflecting baffle having an operative position for deflecting crops for deposit in a swath. Rearwardly converging deflector vanes are mounted on the baffle, preferably about halfway respectively between the transverse edges of the baffle and the center of the crop stream. Preferably, the angle of convergence of the vanes is less than that of the fixed side deflectors of the preferred windrowing apparatus.

Abstract: A grass catcher having a container and lid operatively attached to the lawn mower to receive grass cuttings in a grass catching mode and nestably related on the lawn mower in a storage mode for shipping. In the grass catching mode the lid is mounted to the lawn mower handle and includes downturned side flanges provided with a longitudinal guide track. The container is relatively deep and includes a rearwardly formed chute portion and upper side flanges engageable with the guide track, so that the container can be selectively separated from the lid. In the storage mode the container is inverted and disposed over the lawn mower motor assembly with the chute disposed rearwardly. The lid is nestably received by the container and can be shipped with the lawn mower in a container only slightly larger than that required to ship the lawn mower itself.

Abstract: Steel wire rope used for lifting and hauling is dangerous when stressed above the breaking point, as there is a substantial quantity of energy stored in the stretched rope and when the rope breaks the stored energy causes the broken ends to whip at high velocity, in a number of recorded cases causing fatalities, and serious damage to helicopters, cranes, vessels and vehicles. This invention discloses a steel wire rope with a strong hand elastic sleeve or sleeves which are not in longitudinal tension, and which dissipate by friction the energy stored in the broken cable, thus materially reducing the possibility of damage to the surroundings.

Abstract: Method of joining textile threads by means of an apparatus having a vortex chamber formed with an elongated slot for introducing therein threads that are to be joined, the threads being insertable into the vortex chamber adjacent one another and being held by clamping devices outside the vortex chamber, the threads being twistable together in the vortex chamber by compressed air supplied thereto and being thereby joined, which includes inserting the threads to be joined loosely and without tension into the vortex chamber so as to be looped about opposite end rims of the vortex chamber; twisting together the threads disposed loosely and without tension in the vortex chamber while they are tightly held by the clamping devices and slackening the thread tension to such an extent that a false twist imposed on the textile threads during twisting together of the threads and consequent shortening of the thread length causes the textile threads to come into contact with the end rims of the vortex chamber.

Abstract: A bunching machine for producing a twisted power cable and comprising a rotatable twisting head and a stationary take-off device through which plural strands of wire are continuously drawn, the twisting head being alternately rotated in opposite directions by switch control driven through step-down gearing from the same reversible motor as the twisting head.

Abstract: In an electronic timepiece having a stepping motor, a drive pulse is produced for normally driving the motor, a detecting pulse is generated for detecting whether the motor has rotated in response to the last drive pulse and a correction pulse is produced for driving the motor when non-rotation has been detected. A current limiting resistor is disposed in series with the motor for limiting the current thereto and a switching transistor is connected across the current limiting resistor to short circuit same to effect an increase in the current to the motor. During the detecting pulse, the voltage across the current limiting resistor is compared to a predetermined value.

Abstract: A fixing structure of a back cover for watches without requirement of any jig to attach a back cover to a watch casing. The fixing structure is disclosed which comprises a watch movement, an outer casing for accomodating said watch movement therein and provided with an opening at the lower portion thereof, a back cover engaged with said outer casing, a first flange formed at the side of said movement on said opening and being shorter than the outer diameter of said back cover, a second flange formed at the opposite side of the movement on the opening and being longer than the outer diameter of said back cover, and the diameter of the opening in said second flange being shorter than the outer diameter of said back cover, a peripheral groove formed between both said first and second flanges, and a flexible packing attached to said peripheral groove, whereby said back cover is attached to the inside of said flexible packing from the direction of said first flange.

Abstract: A method of making a bushing and a bushing made thereby for use as the bearing of a timepiece or the like, in which a sheet of metal is stamped to form a cambered disc, a central passageway is formed in the cambered disc by stamping in a direction from the concave to the convex surface of the disc so that any burr formed will be on the convex surface, and tumbling the cambered disc in a polishing drum to remove the burr. The disc so made is adapted to accept in the central passageway and in a direction from the concave to the convex surface a rotating shaft to be journalled therein so that any burr remaining at the convex surface is folded away from the central passageway when the shaft is engaged therein.

Abstract: A control device produces a control deviation signal representing the difference between the commanded engine speed and the actual engine speed. Before this signal is applied to a fuel control unit to establish the rate of fuel flow to the engine, its time derivative is limited to a value substantially proportional to the distance that the operating state of the engine is from the surge line. In one embodiment the control deviation signal is differentiated with a lag corresponding to the lag of the fuel control unit before effecting said limiting and, after said limiting is effected, is integrated with a lead corresponding to said lag.

Abstract: An air cooled gas turbine engine includes a coolant flow control valve for regulating flow of compressor discharge air to a turbine rotor in accordance with compressor discharge pressure and the operating temperature of an air cooled turbine component of the engine and wherein the coolant flow control valve is associated with a seal having a fixed stator member connected to a compressor frame and a movable labyrinth seal rotor driven in response to gas turbine engine operation to seal between high and low pressure regions; the coolant flow control valve including a pressurizable chamber formed by the stator member and an annular member secured between the stator member and a movable leaf spring valve element that is subjected to compressor discharge pressure to close the valve element at engine cruise conditions and wherein means are provided responsive to temperature of the turbine component to bleed the pressurizable chamber to cause the bellows to bias the valve element into an open position thereby to mod

Abstract: Apparatus for internally mixing fan exhaust with primary exhaust forward of the nozzle exit plane of a turbofan engine having an outer engine cowling, a splitter wall structure and a tail plug disposed in mid engine upstream of the nozzle exit plane is provided by a plurality of struts disposed radially between the engine tail plug and the outer engine cowling upstream of the nozzle exit plane and a plurality of vortex generating means disposed on the struts for generating vorticies across the entire engine exhaust area.

Abstract: A system for treating exhaust gases from an internal combustion engine wherein solid particles contained in the exhaust gas stream are retained in a filter bed, and are then controllably combusted in a manner to avoid thermal damage to the particle retaining bed.

Abstract: A hydraulic brake booster is disclosed which includes an integral accumulator to provide a fluid pressure source for emergency failsafe braking. The accumulator includes a bore defined within the booster housing, and a piston slidably mounted in the bore which divides the latter into a pair of fluid compartments between opposite ends of the piston and corresponding ends of the bore. One of the compartments is communicated to the booster inlet port so that the compartment is charged with fluid pressure whenever the pressure level at the inlet port is above some predetermined low value. In one embodiment of the invention, the other compartment is communicated to the fluid pressure reservoir, and a relief valve is carried within the piston which controls flow of fluid between the two compartments.

Abstract: A cryogenic separation of a feed gas mixture comprising hydrogen, carbon monoxide and methane by partial condensation, in which the feed gas is partially cooled and condensed, then separated to form first gas and liquid fractions, the latter is separated into carbon monoxide product gas and methane product gas, and the first gas fraction is further cooled for additional partial condensation and separated into a hydrogen enriched gas fraction and a second carbon monoxide rich liquid.

Abstract: A vapor compression cycle device is described which includes a multi-component working fluid mixture, a high-pressure liquid accumulator with an associated flow restricting device positioned between the condensing heat exchanger and the evaporating heat exchanger, and a low-pressure liquid accumulator positioned between the evaporating heat exchanger and the compressor. A method is also described of modulating the capacity of such a device.

Abstract: A device for measuring the relative efficiency of a heat pump whose design efficiency increases in proportion to the outdoor temperature. Temperature sensitive diodes connected to a differential amplifier are inserted in the return air stream and supply air stream of a heat pump in order to measure the air temperature increase across the indoor coil. A third temperature sensitive diode connected to a second differential amplifier is placed outdoors in order to measure the outdoor temperature. The outputs of the first two differential amplifiers are combined and then subtracted from a fixed value signal by a third amplifier in order to produce an output which is proportional to the relative efficiency of the heat pump at the outdoor temperature.

Abstract: The steps of handling ice cans in an ice making plant, such as placing the ice cans in alignment within one or more ice tanks, transferring ice cans each containing formed ice block to a stripping-off area, and placing and separating of the cover lid relative to ice can units, are automatically performed by an overhead travelling crane.Particularly, several ice can units are placed in the ice tank such that pairs of lugs provided on each ice can unit are arrayed in two straight lines to enable the overhead crane to selectively lift the ice cans.In order to produce high-quality ice blocks which are completely transparent through to the core portion thereof, each ice can is correlated with means for agitating ice making water contained therein and is connected with a piping for exchanging core water, in which impurities or foreign particles are likely to gather, with fresh water.The stripping-off of the ice blocks from the ice cans is also performed by an automatic system.

Abstract: In an assembly of a work-performing machine having variable torque demand driven by an asynchronous motor, a phase-angle control device for varying the operating voltage of the asynchronous motor in accordance with the respectively required torque, the asynchronous motor being operable with substantially optimal efficiency, by means of said phase angle control device, with the operating voltage matched to the respectively required torque.

Abstract: A roof mounted air conditioning system is disclosed for motor vehicle use, particularly for use with vans and recreational vehicles, comprising a preassembled unit which can be easily installed in any convenient location upon the roof of a motor vehicle. The air conditioning system comprises, preferably in preassembled form, a condenser and associated compressor precharged with refrigerant, an auxiliary internal combustion engine, and an evaporator, where the evaporator depends from a base plate mounted upon the vehicle roof. An alternator with regulator, as well as a starter motor and storage battery, are used in combination with the internal combustion engine. Fuel is supplied to the engine by a standard electric fuel supply pump connected with the vehicle fuel supply tank or a specially provided fuel tank when installed on a travel trailer. The roof mounted air conditioning system is encased in a protective, streamlined cowling.

Abstract: What is disclosed is a heat exchanger-accumulator for vaporizing a refrigerant or the like, characterized by an upright pressure vessel having a top, bottom and side walls; an inlet conduit eccentrically and sealingly penetrating through the top; a tubular overflow chamber disposed within the vessel and sealingly connected with the bottom so as to define an annular outer volumetric chamber for receiving refrigerant; a heat transfer coil disposed in the outer volumetric chamber for vaporizing the liquid refrigerant that accumulates there; the heat transfer coil defining a passageway for circulating an externally supplied heat exchange fluid; transferring heat efficiently from the fluid; and freely allowing vaporized refrigerant to escape upwardly from the liquid refrigerant; and a refrigerant discharge conduit penetrating sealingly through the top and traversing substantially the length of the pressurized vessel downwardly and upwardly such that its inlet is near the top of the pressurized vessel so as to prov

Abstract: An apparatus (120) for intermittent support of a rotatable shaft (22) comprises an axial collar (120) substantially coaxial with the shaft (22) and fixed thereabout for rubbing contact with the shaft (22) only after the shaft deflects a predetermined amount from its rotational axis (140) to alter the bending mode of the shaft (22) thereby increasing the first order critical speed of the shaft (22) to a level above the maximum speed at which the shaft (22) may be driven to prevent excessive vibration and consequent damage to the shaft (22), associated end couplings (35,56) and housing (78,84,92).

Abstract: Apparatus for housing a shaft coupling, comprising an outside axially extending sleeve for connection to a first shaft casing, and for partially covering a pair of generally aligned shafts and a shaft coupling connecting the shafts; and an inside axially extending sleeve for connection to a second shaft casing, and for further covering the shafts and the shaft coupling, wherein the inside sleeve is radially spaced from the outside sleeve and is axially slidable into the interior of the outside sleeve to produce an annular opening for access to the shafts and shaft coupling. The apparatus further comprises radial sealing means for sealing the space between the inside and outside sleeves.

Abstract: A dyeing apparatus is disclosed, which comprises a vessel and a perforated cylinder or beam concentrical thereto, the cylinder having a material wound thereon which is to be dyed. The apparatus includes means for isolating idle space within the vessel from the dye liquid circulating region and means for supplying compressed air to the circulating region to dewater the dyed material upon completion of a cycle of dyeing operation. A stream of compressed air permeates the wet material and takes the moisture away as an entrainment. The same apparatus can perform both the dyeing and the drying operation.

Abstract: A method for making an application or dip roll for applying a coating, such as an aqueous clay and starch solution, from a trough, onto a moving web on a papermaking or coating machine. The roll comprises a roll cylinder having a hard, outer surface which is not subject to attack by the coating to be used. A plurality of minute indentations are formed in the outer surface of the roll to enhance the transfer of coating from the trough to the roll. Preferably, the roll is first provided with a smooth surface finish. Then the plurality of indentations are formed by shot blasting the outer surface of the roll with hard shot. If a shot of a material subject to attack by the coating is used, the roll may be subsequently blasted with another material, not subject to such attack, so as to remove any fragments of the first shot that might have become embedded in the roll.

Abstract: Plural dies for stepwise drawing a hollow blank on a mandrel are spaced so that a downstream die is placed at a location where the drawing strain from the previous die has been reduced to zero because the tensile stress in the deforming zone is balanced by adhesion to the mandrel.

Abstract: The invention relates to the cold extrusion of a part having a polygonal interior and a cylindrical exterior. Instead of the usual process of forcing a polygonal punch into a billet in a single extrusion step, the new method employs a plurality of extrusion steps, first forming a lobed preparatory blank and then in a second extrusion step providing a punch and die combination whereby the external lobes of the intermediate part are forced radially inwardly. In the second extrusion step a polygonal punch is used to provide the proper polygonal interior surface. A cooperating die is provided with an upper lobed cavity for receiving the lobed preparatory blank and this die is oriented with respect to the polygonal punch so that the interior lobes of the die are exactly opposite the flats of the polygonal punch.

Abstract: Apparatus for testing hydraulic-release devices of the type used in marine applications and an improved method of testing such devices using the apparatus. The invention includes a positively identified stress rather than a predetermined strain being exerted on such devices before they are subject to the test environment.

Abstract: A method is disclosed for determining relative solid solution contaminate content of a wire wherein a selected quantity of thermal energy is applied to the wire, the degree of annealment achieved determined, and the quantity of energy applied compared with the annealment achieved.

Abstract: Apparatus for measuring the value of a fluid variable comprises a vibrator tube through which the fluid may be passed and which is mounted for clamped-clamped flexural vibration in a holding structure whose stiffness is at least 40% greater than that of the vibratory tube. A driving coil is carried by the holding structure and is arranged in operation to produce the clamped-clamped flexural vibration of the vibratory tube. A pick-up coil is arranged in operation to respond to vibration of the vibratory tube. A support supports the holding structure and the vibratory tube by way of an isolator which substantially prevent transmission of vibration between the support on the one hand and the holding structure and vibratory tube on the other hand.

Abstract: The invention relates to a load testing apparatus comprising disks, a rotary shaft connectable with a machine to be tested, disk brakes for braking the disks, and a detector adapted to indicate the amount of load applied to the machine to be tested by detecting the rotational force under pressure with interposition of the supporting members of the disk brakes at the time of braking, thereby enabling to test the characteristics and durability of engines, motors, agricultural machines, decelerators, transmissions, clutches, torque converters, chains, belts, couplings, compressed air or hydraulic motors and the like, as well as to conduct an exhaust gas test and power test of vehicles, particularly enabling to detect the output horsepower applied to the machine to be tested from the rotational force and the number of rotations per minute.

Abstract: An apparatus for testing the minimum pullout strength of a ground anchor for an oil well derrick or other towers (as an antenna) guy line comprises an open ended cylinder connected to an anchor line, a piston positioned in the cylinder having a piston connecting rod extending out of the cylinder open end and connected to a winch, a compression spring around the connecting rod for damping outward movement of the piston from the cylinder, and a shear pin protruding through both the cylinder and the piston so that while applying an increasing load to the piston connecting rod, if the anchor does not move prior to breaking of the shear pin, a safe, satisfactory, and reliable anchor is indicated. A method for forming an anchor pullout test apparatus and a method for testing the pullout strength of an anchor are disclosed.

Abstract: To measure liquid flow through channels with various cross sections, detectors of liquid level and velocity are placed in proximity to the liquid to measure flow in terms of the product of the cross sectional area of the fluid and its velocity. Adjustable switches are employed to provide input signals to the computation circuitry which are constants while the detectors provide the data signals which result from the dynamic measurements.

Abstract: A Blackburn-type liquid level gauge which is observed by a TV camera has its frontal display structure illuminated in an area where light is not being transmitted through the gauge by light which is refracted away from the TV camera and reflected back onto the face of the display.

Abstract: Liquid level sensing device comprising magnet received in the cylindrical portion of an oil reservoir cap, a signal generating electrical circuit, by which an oil level is indicated, including galvano-magneto effect transducing device attached to the magnet, magnetic device carried on a diaphragm of the oil reservoir and movable with respect to the transducing device, the magnetic device moving away from the transducing device when the diaphragm is lowered so that an electric signal is generated by the transducing device.

Abstract: A fluid sampling nozzle is spatially fixed, and adapted to be supplied by fluid to be sampled. A nearby actuating switch, manipulated by the operator, energizes a sequence of sampling, cleaning, and drying steps. In particular, once fluid is withdrawn, the sample is removed. A waste removal sink pivots to a point beneath the nozzle, and in a series of motions by a probe washer assembly, the nozzle is successively washed, inside and out. The apparatus is then returned to its initial position, ready for successive sampling operations.

Abstract: A pulse echo device for obtaining information about matter discontinuities in flowing fluid with a sidewall spaced from and surrounding the walls of a transducer situated with respect thereto in such a way that over half the waves radiating from the transducer walls strike the surrounding sidewall at angles less than 90.degree. thereby improving sensitivity and increasing signal-to-noise ratio.

Abstract: An ultrasonic inspection device for nondestructive inspection of cylindrical members includes a pair of resilient inspection wheels which house multiple ultrasonic transducers. The inspection wheels are mounted in a carriage so as to ride along the surface of a rotating cylindrical member being inspected. Relative longitudinal motion between the carriage and the cylindrical member allows the inspection wheels to transcribe helical paths over the surface of the member.

Abstract: A pressure sensor comprises essentially magnetoresistive elements formed on a diaphragm serving as a stress magnifier. The diaphragm may be made, for example, of glass in a thickness of 0.5 millimeter, and the magnetoresistive elements can be formed thereon in any desired pattern of thin stripes by ordinary thin-film techniques. Such sensor elements can be mass produced, e.g., by vapor deposition and etching on a large sheet of diaphragm material and cutting into chips of desired shape and size.

Abstract: A tube spring manometer that includes a deviation detector spring connected to an indicator by a tie rod, and the spring is subjected to a reference pressure for spring deflection measurement.

Abstract: A strain-gage transducer incorporating a plurality of electrical-resistance strain gages coupled together in a bridge network is caused to remain zero-balanced under varying-temperature conditions by way of dual-resistance foil-type unit interposed at one of the output corners of the bridge with its two like foil-resistance elements occupying adjacent arms. The foil material is selected to exhibit a resistance change with temperature representing a factor which enables a target room-temperature measurement to be calculated once a rate of change of bridge output with temperature has been determined from measurements taken while the unstrained transducer is held at different temperatures. Relatively broad surfaces of the foil elements are left exposed, and the unit of which they are a part is so disposed in relation to the transducer structure that the exposed foil is accessible for controlled erasure-type abrasion which will bring about the target measurement and attendant compensation.

Abstract: A transmission cable for use with an ultrasonic device such as an ultrasonic machining device is provided. The transmission cable of the present invention comprises a plurality of fine metallic wires coupled between the output terminal of an ultrasonic oscillation generating source and the input terminal of a terminal machining tool of the ultrasonic device. The metallic wires are covered with a flexible tubular member which may preferably be filled with a liquid so that the lateral vibrations of the wires are suppressed thereby. This type of cable is particularly advantageous in that the ultrasonic oscillations of the wires forming the cable can be transmitted efficiently to the terminal machining tool and the cable is suitable and convenient for carrying out the ultrasonic machining operations with the machining tool.

Abstract: A free rotor gyroscope has a gimbal supported for limited rotation about a rotatable shaft by a first flexure suspension and a rotor attached to the gimbal by a second flexure suspension. Pickoff means rotate with the gimbal and detect its movements about its axis of suspension.

Abstract: A gear reducer which is resistant to axial and radial loads on both the input and output shafts. The reducer comprises a housing, a worm and a worm gear.

Abstract: A wheeled frame which is hydraulically powered and which will operate in either forward or reverse direction, with an over-ride control means to enable the wheeled frame to be driven in either direction, stopped and restarted in the same direction at the same speed by manipulation of the variable control means to vary the hydraulically powered fluid motor means to drive the wheeled frame from zero to maximum speed with the controls in one position and from zero to maximum speed with the controls in another position.

Abstract: An apparatus or resilient link (24) provides relative movement of first and second members (36,38) for resiliency in limiting forces applied through the link (24). The link (24) connects, for example, a controlling member (14) such as a lever (14) or handle and a work mechanism (10) such as a valve (12) or shifting mechanism. In the resilient link (24), a first apparatus (44) moves the first member (36) from a first toward a second position (46,48) in response to exerting a first force (F.sub.1) on the first member (36) in the first direction (50) for resiliency to excessive force applied in tension on the link (24). A second apparatus (52) moves a second member (38) from a first toward a second position (54,56) in response to exerting a second force (F.sub.2) on the first member (36) in the second direction (58) for resiliency to excessive force applied in compression on the link (24 ).

Abstract: A dashboard operable on an off position control for throttles of internal combustion driven vehicles.